Gate Valve

Functions – Gate Valve

♦ On-off valve : in-line, on tank or reactor

Sealing system

♦ Metal-to-metal seated double discs
♦ External tightness with stem bellows (see options list)

Operation

Handwheel,double acting pneumatic actuator,single acting pneumatic actuator,hydraulic actuator,electric actuator,air motor

Closing device

gate (double discs)

Operating principle – Gate Valve

– Shutter : double wedge disc
– Sealing : With stuffing box (repackable in service)
– Full bore

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Fabrication – Gate Valve

• Construction materials : Carbon Steel (CS), Stainless Steel (SS), Duplex & Super Duplex, Inconel & Incoloy®, Titanium, Zirconium, Uranus® B6, Tantalum, Nickel, Hastelloy®, Monel
• Construction Methods : Fabricated (Welded), Cast

Uses – Gate Valve

• Service conditions : High pressure, High temperature, Low temperature, Abrasion, Corrosion, Vacuum
• Types of fluids : Liquids, Liquids with solid particles, Gas, Powder and powdery media, High viscosity fluids
• Applications : Plastics and polymers, General chemicals, Petrochemicals, Nuclear and Naval / Submarine, Cryogenic service