https://jjprojectsok.com https://jjprojectsok.com/og/en/home Drawn to specification https://jjprojectsok.com/studio/video/hero-drawn-to-spec.webp Four product drawings are drawn in as engineering line sheets, each with its overall dimensions and a caption naming the governing standard. https://jjprojectsok.com/studio/video/hero-drawn-to-spec.mp4 17 2026-10-15 2026-10-15T00:00:00.000Z weekly 1 https://jjprojectsok.com/es https://jjprojectsok.com/og/es/home Dibujado según especificación https://jjprojectsok.com/studio/video/hero-drawn-to-spec.webp Cuatro dibujos de producto se trazan como láminas de ingeniería, cada uno con sus dimensiones generales y una leyenda con la norma de referencia. https://jjprojectsok.com/studio/video/hero-drawn-to-spec.mp4 17 2026-10-15 2026-10-15T00:00:00.000Z weekly 0.9 https://jjprojectsok.com/services https://jjprojectsok.com/og/en/services 2026-10-15T00:00:00.000Z monthly 0.9 https://jjprojectsok.com/es/services https://jjprojectsok.com/og/es/services 2026-10-15T00:00:00.000Z monthly 0.81 https://jjprojectsok.com/services/engineering https://jjprojectsok.com/og/en/services/engineering 2026-10-15T00:00:00.000Z monthly 0.85 https://jjprojectsok.com/es/services/engineering https://jjprojectsok.com/og/es/services/engineering 2026-10-15T00:00:00.000Z monthly 0.77 https://jjprojectsok.com/services/procurement https://jjprojectsok.com/og/en/services/procurement From RFQ to delivery https://jjprojectsok.com/studio/video/rfq-to-delivery-en.webp From requirement to site, in ten stages. One: the requirement. Scope, specification and quantities are defined and approved. Two: the request for quotation goes to qualified vendors with a clear deadline. Three: vendors return priced quotations against the same scope. https://jjprojectsok.com/studio/video/rfq-to-delivery-en.mp4 55 2026-10-15 2026-10-15T00:00:00.000Z monthly 0.85 https://jjprojectsok.com/es/services/procurement https://jjprojectsok.com/og/es/services/procurement De la cotización a la entrega https://jjprojectsok.com/studio/video/rfq-to-delivery-es.webp De la necesidad a la obra, en diez etapas. Uno: el requerimiento. Se definen y aprueban el alcance, la especificación y las cantidades. Dos: la solicitud de cotización se envía a proveedores calificados con una fecha límite clara. https://jjprojectsok.com/studio/video/rfq-to-delivery-es.mp4 55 2026-10-15 2026-10-15T00:00:00.000Z monthly 0.77 https://jjprojectsok.com/services/project-management https://jjprojectsok.com/og/en/services/project-management 2026-10-15T00:00:00.000Z monthly 0.85 https://jjprojectsok.com/es/services/project-management https://jjprojectsok.com/og/es/services/project-management 2026-10-15T00:00:00.000Z monthly 0.77 https://jjprojectsok.com/products https://jjprojectsok.com/og/en/products 2026-10-16T00:00:00.000Z monthly 0.9 https://jjprojectsok.com/es/products https://jjprojectsok.com/og/es/products 2026-10-16T00:00:00.000Z monthly 0.81 https://jjprojectsok.com/products/steel-structural https://jjprojectsok.com/og/en/products/steel-structural https://jjprojectsok.com/studio/drawings/plate-stack.svg https://jjprojectsok.com/studio/drawings/seamless-pipe.svg https://jjprojectsok.com/studio/drawings/wide-flange-beam.svg https://jjprojectsok.com/studio/drawings/channel.svg https://jjprojectsok.com/studio/drawings/equal-angle.svg https://jjprojectsok.com/studio/drawings/flange-weld-neck.svg https://jjprojectsok.com/studio/drawings/flange-slip-on.svg https://jjprojectsok.com/studio/drawings/flange-blind.svg https://jjprojectsok.com/studio/drawings/elbow-90-lr.svg https://jjprojectsok.com/studio/drawings/equal-tee.svg https://jjprojectsok.com/studio/drawings/concentric-reducer.svg https://jjprojectsok.com/studio/drawings/stud-bolt.svg https://jjprojectsok.com/studio/drawings/spiral-wound-gasket.svg https://jjprojectsok.com/studio/drawings/finned-tube.svg Pipe schedules: NPS 4 wall thickness https://jjprojectsok.com/studio/video/pipe-schedule.webp Pipe schedule for NPS 4, sourced to ASME B36.10M. The outside diameter is fixed at 4.500 inches (114.3 millimetres) for every schedule; the schedule changes the wall thickness, so the bore gets smaller as the wall gets thicker. Schedule 10: wall 0.120 inch (3.05 mm), inside diameter 4.260 inches. https://jjprojectsok.com/studio/video/pipe-schedule.mp4 25 2026-10-16 2026-10-16T00:00:00.000Z monthly 0.85 https://jjprojectsok.com/es/products/steel-structural https://jjprojectsok.com/og/es/products/steel-structural https://jjprojectsok.com/studio/drawings/plate-stack.svg https://jjprojectsok.com/studio/drawings/seamless-pipe.svg https://jjprojectsok.com/studio/drawings/wide-flange-beam.svg https://jjprojectsok.com/studio/drawings/channel.svg https://jjprojectsok.com/studio/drawings/equal-angle.svg https://jjprojectsok.com/studio/drawings/flange-weld-neck.svg https://jjprojectsok.com/studio/drawings/flange-slip-on.svg https://jjprojectsok.com/studio/drawings/flange-blind.svg https://jjprojectsok.com/studio/drawings/elbow-90-lr.svg https://jjprojectsok.com/studio/drawings/equal-tee.svg https://jjprojectsok.com/studio/drawings/concentric-reducer.svg https://jjprojectsok.com/studio/drawings/stud-bolt.svg https://jjprojectsok.com/studio/drawings/spiral-wound-gasket.svg https://jjprojectsok.com/studio/drawings/finned-tube.svg Cédulas de tubería: espesor de pared NPS 4 https://jjprojectsok.com/studio/video/pipe-schedule.webp Cédula de tubería para NPS 4, con fuente en ASME B36.10M. El diámetro exterior es constante, 4,500 pulgadas (114,3 milímetros), en todas las cédulas; la cédula cambia el espesor de pared, de modo que el diámetro interior disminuye a medida que la pared se engrosa. https://jjprojectsok.com/studio/video/pipe-schedule.mp4 25 2026-10-16 2026-10-16T00:00:00.000Z monthly 0.77 https://jjprojectsok.com/products/steel-structural/plate-stack https://jjprojectsok.com/og/en/products/steel-structural/plate-stack https://jjprojectsok.com/studio/drawings/plate-stack.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/steel-structural/plate-stack https://jjprojectsok.com/og/es/products/steel-structural/plate-stack https://jjprojectsok.com/studio/drawings/plate-stack.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/steel-structural/seamless-pipe https://jjprojectsok.com/og/en/products/steel-structural/seamless-pipe https://jjprojectsok.com/studio/drawings/seamless-pipe.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/steel-structural/seamless-pipe https://jjprojectsok.com/og/es/products/steel-structural/seamless-pipe https://jjprojectsok.com/studio/drawings/seamless-pipe.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/steel-structural/wide-flange-beam https://jjprojectsok.com/og/en/products/steel-structural/wide-flange-beam https://jjprojectsok.com/studio/drawings/wide-flange-beam.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/steel-structural/wide-flange-beam https://jjprojectsok.com/og/es/products/steel-structural/wide-flange-beam https://jjprojectsok.com/studio/drawings/wide-flange-beam.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/steel-structural/channel https://jjprojectsok.com/og/en/products/steel-structural/channel https://jjprojectsok.com/studio/drawings/channel.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/steel-structural/channel https://jjprojectsok.com/og/es/products/steel-structural/channel https://jjprojectsok.com/studio/drawings/channel.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/steel-structural/equal-angle https://jjprojectsok.com/og/en/products/steel-structural/equal-angle https://jjprojectsok.com/studio/drawings/equal-angle.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/steel-structural/equal-angle https://jjprojectsok.com/og/es/products/steel-structural/equal-angle https://jjprojectsok.com/studio/drawings/equal-angle.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/steel-structural/flange-weld-neck https://jjprojectsok.com/og/en/products/steel-structural/flange-weld-neck https://jjprojectsok.com/studio/drawings/flange-weld-neck.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/steel-structural/flange-weld-neck https://jjprojectsok.com/og/es/products/steel-structural/flange-weld-neck https://jjprojectsok.com/studio/drawings/flange-weld-neck.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/steel-structural/flange-slip-on https://jjprojectsok.com/og/en/products/steel-structural/flange-slip-on https://jjprojectsok.com/studio/drawings/flange-slip-on.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/steel-structural/flange-slip-on https://jjprojectsok.com/og/es/products/steel-structural/flange-slip-on https://jjprojectsok.com/studio/drawings/flange-slip-on.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/steel-structural/flange-blind https://jjprojectsok.com/og/en/products/steel-structural/flange-blind https://jjprojectsok.com/studio/drawings/flange-blind.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/steel-structural/flange-blind https://jjprojectsok.com/og/es/products/steel-structural/flange-blind https://jjprojectsok.com/studio/drawings/flange-blind.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/steel-structural/elbow-90-lr https://jjprojectsok.com/og/en/products/steel-structural/elbow-90-lr https://jjprojectsok.com/studio/drawings/elbow-90-lr.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/steel-structural/elbow-90-lr https://jjprojectsok.com/og/es/products/steel-structural/elbow-90-lr https://jjprojectsok.com/studio/drawings/elbow-90-lr.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/steel-structural/equal-tee https://jjprojectsok.com/og/en/products/steel-structural/equal-tee https://jjprojectsok.com/studio/drawings/equal-tee.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/steel-structural/equal-tee https://jjprojectsok.com/og/es/products/steel-structural/equal-tee https://jjprojectsok.com/studio/drawings/equal-tee.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/steel-structural/concentric-reducer https://jjprojectsok.com/og/en/products/steel-structural/concentric-reducer https://jjprojectsok.com/studio/drawings/concentric-reducer.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/steel-structural/concentric-reducer https://jjprojectsok.com/og/es/products/steel-structural/concentric-reducer https://jjprojectsok.com/studio/drawings/concentric-reducer.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/steel-structural/stud-bolt https://jjprojectsok.com/og/en/products/steel-structural/stud-bolt https://jjprojectsok.com/studio/drawings/stud-bolt.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/steel-structural/stud-bolt https://jjprojectsok.com/og/es/products/steel-structural/stud-bolt https://jjprojectsok.com/studio/drawings/stud-bolt.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/steel-structural/spiral-wound-gasket https://jjprojectsok.com/og/en/products/steel-structural/spiral-wound-gasket https://jjprojectsok.com/studio/drawings/spiral-wound-gasket.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/steel-structural/spiral-wound-gasket https://jjprojectsok.com/og/es/products/steel-structural/spiral-wound-gasket https://jjprojectsok.com/studio/drawings/spiral-wound-gasket.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/steel-structural/finned-tube https://jjprojectsok.com/og/en/products/steel-structural/finned-tube https://jjprojectsok.com/studio/drawings/finned-tube.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/steel-structural/finned-tube https://jjprojectsok.com/og/es/products/steel-structural/finned-tube https://jjprojectsok.com/studio/drawings/finned-tube.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/valves-process-equipment https://jjprojectsok.com/og/en/products/valves-process-equipment https://jjprojectsok.com/studio/drawings/gate-valve.svg https://jjprojectsok.com/studio/drawings/globe-valve.svg https://jjprojectsok.com/studio/drawings/ball-valve.svg https://jjprojectsok.com/studio/drawings/swing-check-valve.svg https://jjprojectsok.com/studio/drawings/needle-valve.svg https://jjprojectsok.com/studio/drawings/horizontal-separator.svg https://jjprojectsok.com/studio/drawings/shell-tube-exchanger.svg Flange pressure classes, ASME B16.5 https://jjprojectsok.com/studio/video/flange-classes.webp Pressure ratings of ASME B16.5 flanges for material group 1.1, which includes carbon steel such as ASTM A105, in bar. At ambient temperature, 38 degrees Celsius, classes 150, 300, 600, 900, 1500 and 2500 are rated 19.6, 51.1, 102.1, 153.2, 255.3 and 425.5 bar. https://jjprojectsok.com/studio/video/flange-classes.mp4 21 2026-10-16 2026-10-16T00:00:00.000Z monthly 0.85 https://jjprojectsok.com/es/products/valves-process-equipment https://jjprojectsok.com/og/es/products/valves-process-equipment https://jjprojectsok.com/studio/drawings/gate-valve.svg https://jjprojectsok.com/studio/drawings/globe-valve.svg https://jjprojectsok.com/studio/drawings/ball-valve.svg https://jjprojectsok.com/studio/drawings/swing-check-valve.svg https://jjprojectsok.com/studio/drawings/needle-valve.svg https://jjprojectsok.com/studio/drawings/horizontal-separator.svg https://jjprojectsok.com/studio/drawings/shell-tube-exchanger.svg Clases de presión de bridas, ASME B16.5 https://jjprojectsok.com/studio/video/flange-classes.webp Presiones nominales de las bridas ASME B16.5 para el grupo de material 1.1, que incluye acero al carbono como ASTM A105, en bar. A temperatura ambiente, 38 grados Celsius, las clases 150, 300, 600, 900, 1500 y 2500 tienen 19,6, 51,1, 102,1, 153,2, 255,3 y 425,5 bar. https://jjprojectsok.com/studio/video/flange-classes.mp4 21 2026-10-16 2026-10-16T00:00:00.000Z monthly 0.77 https://jjprojectsok.com/products/valves-process-equipment/gate-valve https://jjprojectsok.com/og/en/products/valves-process-equipment/gate-valve https://jjprojectsok.com/studio/drawings/gate-valve.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/valves-process-equipment/gate-valve https://jjprojectsok.com/og/es/products/valves-process-equipment/gate-valve https://jjprojectsok.com/studio/drawings/gate-valve.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/valves-process-equipment/globe-valve https://jjprojectsok.com/og/en/products/valves-process-equipment/globe-valve https://jjprojectsok.com/studio/drawings/globe-valve.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/valves-process-equipment/globe-valve https://jjprojectsok.com/og/es/products/valves-process-equipment/globe-valve https://jjprojectsok.com/studio/drawings/globe-valve.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/valves-process-equipment/ball-valve https://jjprojectsok.com/og/en/products/valves-process-equipment/ball-valve https://jjprojectsok.com/studio/drawings/ball-valve.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/valves-process-equipment/ball-valve https://jjprojectsok.com/og/es/products/valves-process-equipment/ball-valve https://jjprojectsok.com/studio/drawings/ball-valve.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/valves-process-equipment/swing-check-valve https://jjprojectsok.com/og/en/products/valves-process-equipment/swing-check-valve https://jjprojectsok.com/studio/drawings/swing-check-valve.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/valves-process-equipment/swing-check-valve https://jjprojectsok.com/og/es/products/valves-process-equipment/swing-check-valve https://jjprojectsok.com/studio/drawings/swing-check-valve.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/valves-process-equipment/needle-valve https://jjprojectsok.com/og/en/products/valves-process-equipment/needle-valve https://jjprojectsok.com/studio/drawings/needle-valve.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/valves-process-equipment/needle-valve https://jjprojectsok.com/og/es/products/valves-process-equipment/needle-valve https://jjprojectsok.com/studio/drawings/needle-valve.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/valves-process-equipment/horizontal-separator https://jjprojectsok.com/og/en/products/valves-process-equipment/horizontal-separator https://jjprojectsok.com/studio/drawings/horizontal-separator.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/valves-process-equipment/horizontal-separator https://jjprojectsok.com/og/es/products/valves-process-equipment/horizontal-separator https://jjprojectsok.com/studio/drawings/horizontal-separator.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/valves-process-equipment/shell-tube-exchanger https://jjprojectsok.com/og/en/products/valves-process-equipment/shell-tube-exchanger https://jjprojectsok.com/studio/drawings/shell-tube-exchanger.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/valves-process-equipment/shell-tube-exchanger https://jjprojectsok.com/og/es/products/valves-process-equipment/shell-tube-exchanger https://jjprojectsok.com/studio/drawings/shell-tube-exchanger.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/refractory https://jjprojectsok.com/og/en/products/refractory https://jjprojectsok.com/studio/drawings/firebrick-stack.svg https://jjprojectsok.com/studio/drawings/v-anchor.svg https://jjprojectsok.com/studio/drawings/lined-wall-section.svg Anatomy of a refractory lining https://jjprojectsok.com/studio/video/refractory-lining-en.webp Section through a refractory-lined wall, hot side on the left. The steel shell carries the structure. Inside it sits an insulating layer, and inside that the hot-face layer of brick, held to the shell by welded anchors. Hot gas heats the hot face and heat flows outwards through the wall. https://jjprojectsok.com/studio/video/refractory-lining-en.mp4 22 2026-10-16 2026-10-16T00:00:00.000Z monthly 0.85 https://jjprojectsok.com/es/products/refractory https://jjprojectsok.com/og/es/products/refractory https://jjprojectsok.com/studio/drawings/firebrick-stack.svg https://jjprojectsok.com/studio/drawings/v-anchor.svg https://jjprojectsok.com/studio/drawings/lined-wall-section.svg Anatomía de un revestimiento refractario https://jjprojectsok.com/studio/video/refractory-lining-es.webp Sección de una pared con revestimiento refractario, con el lado caliente a la izquierda. La carcasa de acero soporta la estructura. En su interior hay una capa aislante y, dentro de ella, la capa de cara caliente de ladrillo, sujeta a la carcasa con anclajes soldados. https://jjprojectsok.com/studio/video/refractory-lining-es.mp4 22 2026-10-16 2026-10-16T00:00:00.000Z monthly 0.77 https://jjprojectsok.com/products/refractory/firebrick-stack https://jjprojectsok.com/og/en/products/refractory/firebrick-stack https://jjprojectsok.com/studio/drawings/firebrick-stack.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/refractory/firebrick-stack https://jjprojectsok.com/og/es/products/refractory/firebrick-stack https://jjprojectsok.com/studio/drawings/firebrick-stack.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/refractory/v-anchor https://jjprojectsok.com/og/en/products/refractory/v-anchor https://jjprojectsok.com/studio/drawings/v-anchor.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/refractory/v-anchor https://jjprojectsok.com/og/es/products/refractory/v-anchor https://jjprojectsok.com/studio/drawings/v-anchor.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/refractory/lined-wall-section https://jjprojectsok.com/og/en/products/refractory/lined-wall-section https://jjprojectsok.com/studio/drawings/lined-wall-section.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/refractory/lined-wall-section https://jjprojectsok.com/og/es/products/refractory/lined-wall-section https://jjprojectsok.com/studio/drawings/lined-wall-section.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/electrical-instrumentation https://jjprojectsok.com/og/en/products/electrical-instrumentation https://jjprojectsok.com/studio/drawings/cable-drum.svg https://jjprojectsok.com/studio/drawings/cable-tray.svg https://jjprojectsok.com/studio/drawings/junction-box.svg https://jjprojectsok.com/studio/drawings/electric-motor.svg 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https://jjprojectsok.com/studio/drawings/gas-detector.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/industrial-safety/two-way-radio https://jjprojectsok.com/og/en/products/industrial-safety/two-way-radio https://jjprojectsok.com/studio/drawings/two-way-radio.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/industrial-safety/two-way-radio https://jjprojectsok.com/og/es/products/industrial-safety/two-way-radio https://jjprojectsok.com/studio/drawings/two-way-radio.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/it-office https://jjprojectsok.com/og/en/products/it-office https://jjprojectsok.com/studio/drawings/server-rack.svg https://jjprojectsok.com/studio/drawings/laptop.svg https://jjprojectsok.com/studio/drawings/printer.svg 2026-10-16T00:00:00.000Z monthly 0.85 https://jjprojectsok.com/es/products/it-office https://jjprojectsok.com/og/es/products/it-office 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2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/products/it-office/printer https://jjprojectsok.com/og/en/products/it-office/printer https://jjprojectsok.com/studio/drawings/printer.svg 2026-10-16T00:00:00.000Z monthly 0.7 https://jjprojectsok.com/es/products/it-office/printer https://jjprojectsok.com/og/es/products/it-office/printer https://jjprojectsok.com/studio/drawings/printer.svg 2026-10-16T00:00:00.000Z monthly 0.63 https://jjprojectsok.com/industries https://jjprojectsok.com/og/en/industries 2026-10-15T00:00:00.000Z monthly 0.8 https://jjprojectsok.com/es/industries https://jjprojectsok.com/og/es/industries 2026-10-15T00:00:00.000Z monthly 0.72 https://jjprojectsok.com/industries/oil-gas https://jjprojectsok.com/og/en/industries/oil-gas 2026-10-15T00:00:00.000Z monthly 0.75 https://jjprojectsok.com/es/industries/oil-gas https://jjprojectsok.com/og/es/industries/oil-gas 2026-10-15T00:00:00.000Z monthly 0.68 https://jjprojectsok.com/industries/petrochemical-refining https://jjprojectsok.com/og/en/industries/petrochemical-refining 2026-10-15T00:00:00.000Z monthly 0.75 https://jjprojectsok.com/es/industries/petrochemical-refining https://jjprojectsok.com/og/es/industries/petrochemical-refining 2026-10-15T00:00:00.000Z monthly 0.68 https://jjprojectsok.com/industries/power-industrial https://jjprojectsok.com/og/en/industries/power-industrial 2026-10-15T00:00:00.000Z monthly 0.75 https://jjprojectsok.com/es/industries/power-industrial https://jjprojectsok.com/og/es/industries/power-industrial 2026-10-15T00:00:00.000Z monthly 0.68 https://jjprojectsok.com/industries/marine https://jjprojectsok.com/og/en/industries/marine 2026-10-15T00:00:00.000Z monthly 0.75 https://jjprojectsok.com/es/industries/marine https://jjprojectsok.com/og/es/industries/marine 2026-10-15T00:00:00.000Z monthly 0.68 https://jjprojectsok.com/knowledge https://jjprojectsok.com/og/en/knowledge 2026-10-15T00:00:00.000Z weekly 0.8 https://jjprojectsok.com/es/knowledge https://jjprojectsok.com/og/es/knowledge 2026-10-15T00:00:00.000Z weekly 0.72 https://jjprojectsok.com/knowledge/industrial-procurement-process https://jjprojectsok.com/og/en/knowledge/industrial-procurement-process From RFQ to delivery https://jjprojectsok.com/studio/video/rfq-to-delivery-en.webp From requirement to site, in ten stages. One: the requirement. Scope, specification and quantities are defined and approved. Two: the request for quotation goes to qualified vendors with a clear deadline. Three: vendors return priced quotations against the same scope. https://jjprojectsok.com/studio/video/rfq-to-delivery-en.mp4 55 2026-10-15 2026-10-15T00:00:00.000Z monthly 0.75 https://jjprojectsok.com/es/knowledge/industrial-procurement-process https://jjprojectsok.com/og/es/knowledge/industrial-procurement-process De la cotización a la entrega https://jjprojectsok.com/studio/video/rfq-to-delivery-es.webp De la necesidad a la obra, en diez etapas. Uno: el requerimiento. Se definen y aprueban el alcance, la especificación y las cantidades. Dos: la solicitud de cotización se envía a proveedores calificados con una fecha límite clara. https://jjprojectsok.com/studio/video/rfq-to-delivery-es.mp4 55 2026-10-15 2026-10-15T00:00:00.000Z monthly 0.68 https://jjprojectsok.com/knowledge/how-to-write-an-rfq https://jjprojectsok.com/og/en/knowledge/how-to-write-an-rfq From RFQ to delivery https://jjprojectsok.com/studio/video/rfq-to-delivery-en.webp From requirement to site, in ten stages. One: the requirement. Scope, specification and quantities are defined and approved. Two: the request for quotation goes to qualified vendors with a clear deadline. Three: vendors return priced quotations against the same scope. https://jjprojectsok.com/studio/video/rfq-to-delivery-en.mp4 55 2026-10-15 2026-10-15T00:00:00.000Z monthly 0.75 https://jjprojectsok.com/es/knowledge/how-to-write-an-rfq https://jjprojectsok.com/og/es/knowledge/how-to-write-an-rfq De la cotización a la entrega https://jjprojectsok.com/studio/video/rfq-to-delivery-es.webp De la necesidad a la obra, en diez etapas. Uno: el requerimiento. Se definen y aprueban el alcance, la especificación y las cantidades. Dos: la solicitud de cotización se envía a proveedores calificados con una fecha límite clara. https://jjprojectsok.com/studio/video/rfq-to-delivery-es.mp4 55 2026-10-15 2026-10-15T00:00:00.000Z monthly 0.68 https://jjprojectsok.com/knowledge/pipe-schedules-explained https://jjprojectsok.com/og/en/knowledge/pipe-schedules-explained https://jjprojectsok.com/studio/drawings/seamless-pipe.svg Pipe schedules: NPS 4 wall thickness https://jjprojectsok.com/studio/video/pipe-schedule.webp Pipe schedule for NPS 4, sourced to ASME B36.10M. The outside diameter is fixed at 4.500 inches (114.3 millimetres) for every schedule; the schedule changes the wall thickness, so the bore gets smaller as the wall gets thicker. Schedule 10: wall 0.120 inch (3.05 mm), inside diameter 4.260 inches. https://jjprojectsok.com/studio/video/pipe-schedule.mp4 25 2026-10-16 2026-10-15T00:00:00.000Z monthly 0.75 https://jjprojectsok.com/es/knowledge/pipe-schedules-explained https://jjprojectsok.com/og/es/knowledge/pipe-schedules-explained https://jjprojectsok.com/studio/drawings/seamless-pipe.svg Cédulas de tubería: espesor de pared NPS 4 https://jjprojectsok.com/studio/video/pipe-schedule.webp Cédula de tubería para NPS 4, con fuente en ASME B36.10M. El diámetro exterior es constante, 4,500 pulgadas (114,3 milímetros), en todas las cédulas; la cédula cambia el espesor de pared, de modo que el diámetro interior disminuye a medida que la pared se engrosa. https://jjprojectsok.com/studio/video/pipe-schedule.mp4 25 2026-10-16 2026-10-15T00:00:00.000Z monthly 0.68 https://jjprojectsok.com/knowledge/flange-pressure-classes https://jjprojectsok.com/og/en/knowledge/flange-pressure-classes https://jjprojectsok.com/studio/drawings/flange-weld-neck.svg https://jjprojectsok.com/studio/drawings/flange-slip-on.svg https://jjprojectsok.com/studio/drawings/flange-blind.svg Flange pressure classes, ASME B16.5 https://jjprojectsok.com/studio/video/flange-classes.webp Pressure ratings of ASME B16.5 flanges for material group 1.1, which includes carbon steel such as ASTM A105, in bar. At ambient temperature, 38 degrees Celsius, classes 150, 300, 600, 900, 1500 and 2500 are rated 19.6, 51.1, 102.1, 153.2, 255.3 and 425.5 bar. https://jjprojectsok.com/studio/video/flange-classes.mp4 21 2026-10-16 2026-10-15T00:00:00.000Z monthly 0.75 https://jjprojectsok.com/es/knowledge/flange-pressure-classes https://jjprojectsok.com/og/es/knowledge/flange-pressure-classes https://jjprojectsok.com/studio/drawings/flange-weld-neck.svg https://jjprojectsok.com/studio/drawings/flange-slip-on.svg https://jjprojectsok.com/studio/drawings/flange-blind.svg Clases de presión de bridas, ASME B16.5 https://jjprojectsok.com/studio/video/flange-classes.webp Presiones nominales de las bridas ASME B16.5 para el grupo de material 1.1, que incluye acero al carbono como ASTM A105, en bar. A temperatura ambiente, 38 grados Celsius, las clases 150, 300, 600, 900, 1500 y 2500 tienen 19,6, 51,1, 102,1, 153,2, 255,3 y 425,5 bar. https://jjprojectsok.com/studio/video/flange-classes.mp4 21 2026-10-16 2026-10-15T00:00:00.000Z monthly 0.68 https://jjprojectsok.com/knowledge/material-test-reports https://jjprojectsok.com/og/en/knowledge/material-test-reports 2026-10-15T00:00:00.000Z monthly 0.75 https://jjprojectsok.com/es/knowledge/material-test-reports https://jjprojectsok.com/og/es/knowledge/material-test-reports 2026-10-15T00:00:00.000Z monthly 0.68 https://jjprojectsok.com/knowledge/incoterms-2020 https://jjprojectsok.com/og/en/knowledge/incoterms-2020 Incoterms 2020 at a glance https://jjprojectsok.com/studio/video/incoterms-2020-en.webp Incoterms 2020, published by the International Chamber of Commerce, state where the seller's costs and risk end. https://jjprojectsok.com/studio/video/incoterms-2020-en.mp4 34 2026-10-15 2026-10-15T00:00:00.000Z monthly 0.75 https://jjprojectsok.com/es/knowledge/incoterms-2020 https://jjprojectsok.com/og/es/knowledge/incoterms-2020 Incoterms 2020 de un vistazo https://jjprojectsok.com/studio/video/incoterms-2020-es.webp Los Incoterms 2020, publicados por la Cámara de Comercio Internacional, indican dónde terminan los costos y el riesgo del vendedor. https://jjprojectsok.com/studio/video/incoterms-2020-es.mp4 34 2026-10-15 2026-10-15T00:00:00.000Z monthly 0.68 https://jjprojectsok.com/knowledge/refractory-lining-basics https://jjprojectsok.com/og/en/knowledge/refractory-lining-basics https://jjprojectsok.com/studio/drawings/firebrick-stack.svg https://jjprojectsok.com/studio/drawings/v-anchor.svg https://jjprojectsok.com/studio/drawings/lined-wall-section.svg Anatomy of a refractory lining https://jjprojectsok.com/studio/video/refractory-lining-en.webp Section through a refractory-lined wall, hot side on the left. The steel shell carries the structure. Inside it sits an insulating layer, and inside that the hot-face layer of brick, held to the shell by welded anchors. Hot gas heats the hot face and heat flows outwards through the wall. https://jjprojectsok.com/studio/video/refractory-lining-en.mp4 22 2026-10-16 2026-10-15T00:00:00.000Z monthly 0.75 https://jjprojectsok.com/es/knowledge/refractory-lining-basics https://jjprojectsok.com/og/es/knowledge/refractory-lining-basics https://jjprojectsok.com/studio/drawings/firebrick-stack.svg https://jjprojectsok.com/studio/drawings/v-anchor.svg https://jjprojectsok.com/studio/drawings/lined-wall-section.svg Anatomía de un revestimiento refractario https://jjprojectsok.com/studio/video/refractory-lining-es.webp Sección de una pared con revestimiento refractario, con el lado caliente a la izquierda. La carcasa de acero soporta la estructura. 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https://jjprojectsok.com/og/es/knowledge/astm-a106-vs-a53 https://jjprojectsok.com/studio/drawings/seamless-pipe.svg 2026-10-16T00:00:00.000Z monthly 0.68 https://jjprojectsok.com/knowledge/api-5l-psl1-vs-psl2 https://jjprojectsok.com/og/en/knowledge/api-5l-psl1-vs-psl2 https://jjprojectsok.com/studio/drawings/seamless-pipe.svg 2026-10-16T00:00:00.000Z monthly 0.75 https://jjprojectsok.com/es/knowledge/api-5l-psl1-vs-psl2 https://jjprojectsok.com/og/es/knowledge/api-5l-psl1-vs-psl2 https://jjprojectsok.com/studio/drawings/seamless-pipe.svg 2026-10-16T00:00:00.000Z monthly 0.68 https://jjprojectsok.com/knowledge/weld-neck-vs-slip-on-flanges https://jjprojectsok.com/og/en/knowledge/weld-neck-vs-slip-on-flanges https://jjprojectsok.com/studio/drawings/flange-weld-neck.svg https://jjprojectsok.com/studio/drawings/flange-slip-on.svg 2026-10-16T00:00:00.000Z monthly 0.75 https://jjprojectsok.com/es/knowledge/weld-neck-vs-slip-on-flanges 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