This guide breaks down all essential steel pipe dimensions, OD, ID, NPS, DN, and wall thickness grades. You’ll learn how each dimension affects pipe compatibility, flow performance, pressure rating, and system design. This article helps you to understand every key measurement step by step.
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This article provides a comprehensive overview of seamless and welded steel pipes, including their manufacturing methods, strengths, limitations, and wall thickness options. It also outlines the key factors buyers must evaluate, such as material grades, pressure ratings, corrosion resistance, and production processes.
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Pipe schedule is a numbering system that defines the wall thickness of steel pipes. Higher schedule numbers indicate thicker walls and greater pressure resistance. Schedule 40 is the most widely used medium-wall grade, applied in water, gas, and general industrial systems.
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This article explains the basics of pipe pressure and flow rate, their relationship, and how pressure affects flow. It also provides a Schedule 40/80/160 pressure rating chart and outlines which valve types offer precise, moderate, or poor flow control, including when ball valves can be used for throttling.
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We supply a full range of pipe end types, including Threaded, Plain, and Grooved End. Fast installation, reliable sealing, and long-term service performance in industrial, HVAC, fire-fighting, and fluid systems. With strict quality control, we ensure a stable supply to worldwide buyers.
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We supply both NPT and BSPT threaded pipe fittings. NPT follows ANSI/ASME B1.20.1 with a 60° thread angle, mainly used in America. BSPT follows ISO 7-1/BS 21 with a 55° angle, widely applied in Europe and Asia. NPT and BSPT threads should not be mixed; only compatible threads ensure proper sealing.
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We leverage entrepot trade to help international clients reduce costs, simplify customs, and ensure efficient delivery. By routing goods through strategic third countries, we offer flexible solutions for mixed shipments, small batches, and diverse products, all at competitive prices with reliable logistics.
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We manufacture grooved end pipes and compatible fittings, ensuring rapid installation, dependable sealing, space efficiency, and straightforward maintenance for fire, HVAC, and industrial applications. We will discuss pressure classes, starting with grooved pipe, to help with selection. Our products offer safe and durable solutions for projects.
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