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Z41H type gate valve with purge hole

PRODUCT NAME:

Z41H type gate valve with purge hole

SWITCHBOARD:0577-67372228 67372222 TECHNICAL HOTLINE:0577-67372226 SERVICE HOTLINE: FAX:0577-67372229 E-MAIL:cnsdv@cnsdv.com ADRESS:Sanqiao Industrial Zone, Oubei Town, Wenzhou City, Zhejiang Province

One. Functions and Features

1. The main body of this series of gate valves is a wedge-type single gate bidirectional seal, with simple structure, compactness and reliable sealing.

2. Main features and uses: The purge device can clean and flush pipelines, valves, etc., which are easy to coke and granular media, and effectively improve the service life of the system.

 

 

Two. Material selection

 

Part Name

Material code


Valve body, bonnet

Valve body, bonnet

Stem

Stem nut

filler

Gasket

proper temperature(℃)

Applicable medium

C

WCB

2Cr13

ZQAL9-4

Graphite asbestos packing

Rubber asbestos sheet

≤450

Water, steam, oil

I

Chrome-molybdenum steel

Chromium nickel titanium steel

alloy steel

High temperature resistant asbestos packing

Stainless steel belt and asbestos board

≤530

P

Chromium nickel titanium stainless steel

1Cr18Ni9Ti

Flexible graphite

Acid-resistant asbestos spiral wound gasket

≤200

Nitric acid



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