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Slab Gate Valve

Self-Sealing Slab Gate Valve

Slab Gate Valve

Size Range:2″ to 48″ (DN50-DN1200)

Working Pressure:Class150Lb~900Lb

Connection Options: Double flange /  Butt weld

Body:WCB / LCB / GR70

Disc: A105+ENP / GR70+ENP / F304 / F316

Stem: SS420 / 17-4PH / F316

Seat: F6A+PTFE / F304+PTFE / F316+PTFE

Working Temperature: -60°C to +160°C

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

Product Overview

The Slab Gate Valve is a high-performance valve designed to control the flow of fluids in pipelines efficiently and reliably. Known for its simple yet robust construction, it features a flat, rectangular gate that moves in and out of the flow path to provide a tight seal and minimize pressure drops. This type of valve is widely used in industries such as oil and gas, petrochemical, and water systems where precise flow control and reliable sealing are essential.

Product Features

  • Self-sealing bonnet design for enhanced safety under high pressure
  • Slab gate with through-conduit bore for smooth flow and minimal pressure loss
  • Tight shut-off performance suitable for gas, oil, and pipeline service
  • Excellent sealing reliability in high-pressure and high-temperature conditions
  • Designed for long service life with low maintenance requirements

Specification Parameters

Slab-Gate-Valve-Structure2

Dimensions Data ANSl Class 600Lb

NPSDNL (in)L (mm)L1 (in)L1 (mm)H (in)H (mm)H2 (in)H2 (mm)D0 (in)D0 (mm)
25011.529211.529218.4346813.1933511.81300
2 ½65133301333022.2456516.9343013330
380143561435624.6162517.3244013.78350
4100174321743228.357202051013.78350
6150225592255935.8391024.863015.75400
8200266602666045.08114531.580019.69500
10250317873178755.55141141.34105019.69500
12300338383383862.6159045.67116023.62600
143503588935889
164003999139991
18450431092431092
20500471194471194

Specification Applications

  • Oil & gas transmission pipelines (crude oil, natural gas, refined products)
  • High-pressure and high-temperature pipeline systems
  • Power plants and thermal power stations
  • Petrochemical and chemical processing facilities
  • Long-distance trunk lines requiring zero-leakage shut-off
  • Systems with frequent pressure fluctuations and thermal cycling
  • Hazardous, flammable, or toxic media service
  • Industrial pipelines demanding high reliability and safety compliance

Valve Actuation

Process Optimization

Precision Engineering

Pipeline Solutions

Industrial Valves

Flow Control

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