Flange gate valve Z41H-25C1
Flange gate valve Z41H-25C2
Flange gate valve Z41H-25C3
Flange gate valve Z41H-25C4

Flange gate valve Z41H-25C

Size Range: DN50-500

Pressure: PN25

Body Materials: WCB

Seat Materials: 13Cr

Disc Materials: WCB+2Cr13

Stem Materials: 2Cr13

Introduction

Features:
Application field:Steam, Municipal construction, chemical industry, water treatment, electricity, petroleum, water supply and drainage, water conservancy projects.
 

Product advantages:

1.Precision casting valve body, refined appearance
The valve body is made of WCB material with delicate appearance. Each batch of casting has a special mark, which is convenient for production tracking and inspection.

2.After the appearance of processing again, more beautiful
The internal part numerical control lathe machining, carries on the second processing, causes the appearance to be more beautiful.

3.Seats wear better
The seat adopts Cr stainless steel and surfacing 507 molybdenum to increase the wear resistance of the seat.

4.Cover valve stem inverted seal disposal to prevent leakage
Do inverted seal on the contact between cover and stem to prevent leakage.

5.Pressure test of valve stem before delivery
Each valve must do double pressure test of valve body and seal according to strict standard.

6.Carry out quality inspection for many times and ensure quality
Strict quality inspection is carried out in every link from parts to finished product packaging.

Parameters



 
Name Design & Manufacture End connection Pressure Testing Standard Face to face length
Reference Standard GB/T12234 JB/T79 GB/T13927 GB/T12221
 
Name Body Seat Wedge Stem Cover Operation
Material WCB 13Cr WCB+2Cr13 2Cr13 WCB Handwheel
 
Medium Operating temperature Ambient temperature Nominal pressure Shell test pressure(MPa) Seal test pressure(MPa)
Water, Oil, Steam -40 ...+450 ℃ -40….+40℃ PN25 3.75 2.75

Application
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