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Cast Steel Gate Valve

Cast Steel Gate Valve

Material: Carbon Steel, Stainless Steel, Cast Iron

Size Range: 2″ to 48″ (DN50-DN1200)

Connection Options: Flanged

Working Pressure: Class 150 to Class 1500

Working Temperature: -29°C to 425°C

Sealing Options: Metal-to-Metal, Resilient Seat, Graphite, PTFE

Manufacturing Method: Cast, Forged, Machined

Applicable Medium: Water, Oil, Gas, Steam, Chemical Fluids

Product Overview

Gate valves are used to completely shut off or allow full flow in a pipeline. They are commonly used when a straight-line flow of fluid and minimum flow restriction are required. The gate valve operates by lifting a gate (wedge) out of the path of the fluid, providing a full, unrestricted flow when open. Made from high-quality materials including carbon steel, stainless steel, and cast iron, these valves are designed to provide durability, corrosion resistance, and reliable service across variaous industrial applications.

Product Features

  • Cast steel body offers high strength and pressure resistance
  • Designed for on/off isolation with minimal pressure drop
  • Provides tight shut-off in high-temperature and high-pressure service
  • Suitable for steam, oil, gas, and water applications
  • Available in WCB, WC6, WC9, and stainless steel grades
  • Complies with GB, API, ASME, and ANSI standards
  • Flanged or butt-weld ends for secure pipeline connection
  • Long service life with low maintenance requirements

Specification Parameters

Structural Length Standard:
According to ASME B16.10, DIN 3202, BS EN 558

Connection Forms Standards:
Flanged per ASME B16.5, Threaded (NPT, BSP) per ANSI/ASME B1.20.1, Butt Weld per ASME B16.25, Socket Weld per ASME B16.11

Available Sizes (Caliber):
2″, 3″, 4″, 6″, 8″, 10″, 12″, 14″, 16″, 18″, 20″, 24″, 30″, 36″, 42″, 48″

Pressure-Temperature Rating:
Class 150, 300, 600, 900, 1500 as per API 600 and ASME B16.34

Pressure Range:
Up to 2,500 psi depending on size and material

Temperature Range:
-29°C to 425°C depending on material and sealing options


Specification Applications

  • Oil and gas pipelines for reliable isolation service
  • Power generation plants handling steam and high-temperature fluids
  • Petrochemical and chemical processing systems
  • Refineries for crude oil and process media control
  • Water and utility pipelines requiring durable shut-off valves
  • Industrial piping systems operating under high pressure and temperature
  • Boiler and auxiliary systems in thermal power applications

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