Final Control Elements & Instrumentation Products

 

 

 

 

 

Double Disc Gate Valve

 

 

 

 


Isolation of gas / air pipelines. Used in steel plants for isolation of gas / air for coke oven by-product plants like Benzol, H2SO4 plants, nitrates fertilizer, naptha, tar, ammonia liquior lines, reheating furnaces, power plants and inter plant pipelines.

 

Features

 

 

 

 

 

Sizes

:

 300mm up to 2500mm

Temperature

:

 Up to 400ºC

Pressure

:

 Up to 600 Kpa

Media

:

 Air / Flue gas / B.F Gas / Co gas / Mixed gas etc.

 

Material specification

 

 

 

 

 
Material of Construction :
 

Construction: Fabricated design.

Body

-

Carbon steel / Stainless steel

Bonnet

-

Carbon steel / Stainless steel

Disc

-

Carbon steel / Stainless steel

Flanges

-

Carbon steel / Stainless steel

Shaft

-

Alloy Steel

Seat

-

13-17% Chrome overlaying

Complete Stainless Steel Valves for specific applications also available.

Sealing : Special flexible wedge with ball and socket arrangement between two disc arrangements on the disc for achieving highly effective isolation. The gap between the disc can also be filled up with water / nitrogen for man-safe isolation during the shut down.

Drive : Manual/Electrical/Hydraulic/Pneumatic.

Applications : Isolation of gas/pipelines. Used in steel plants for isolation of gas/air for coke oven by-product plants like Benzol, H2SO4 plants, Nitrate fertilizer, naphtha, tar, ammonia liquor lines, reheating furnaces, power plants and inter plant pipelines.