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Stainless steel lifting check valve

Products > Check valve > Stainless steel lifting check valve

Stainless steel lifting check valve

Model: H41W / H
Nominal diameter: DN50 ~ 400mm
Pressure range: PN10 ~ 160MPa
Working temperature: -196 ℃ ~ + 560 ℃
Main material: carbon steel, stainless steel, alloy
Design and manufacture: GB12236
Structural length: GB12221
Connecting flange : JB / T79-1994
Test and Inspection: JB / T9092-1999
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Product Overview
 Lift check valve for medium and small diameter pipeline pressure, temperature and medium control connected to or cut off the pipeline medium opening and closing device; rely on valve flap weight and fluid pressure automatically stop fluid backflow .
 

Features

1, when the medium flows into the valve body by the arrow of the body, the pressure of the medium acts on the valve flap to generate an upward thrust force, and when the medium thrust force is greater than the gravity of the valve flap, the valve is opened. When the valve medium pressure on the role of the valve with the force of the valve itself is greater than the pressure before the valve pressure on the role of the valve, the valve closed to prevent the media back. 
 2, lifting check valve has the advantages of simple structure, reliable operation, easy maintenance, widely used in purification equipment, petroleum, chemical, metallurgy, electric power, textile and other production processes.

 

Performance specifications

Body materialNominal pressure 
(MPa)
Working temperature 
(℃)
Suitable media
Carbon steel1.6-6.4≤425Water, oil, steam
10.0,16.0≤450/
stainless steelP1.6-16.0≤200Nitric acids
R//Acetic acid
Chrome nickel-titanium 
heat-resistant steel
PI1.6-6.4≤550Oil, petroleum products
Chrome-molybdenum steel1.6-16.0≤550oil

 

The main dimensions

Nominal pressure 
       PN
Nominal diameter 
       DN
The main connection sizeOverall 
       dimensions
LDD 1D 2D 6bff 1Z-φdH
1.6MPa4020014511085-162-4-1895
50230160125100-162-4-18105
65290180140120-182-4-18120
80310195165135-203-8-18130
100350215180155-203-8-18140
125400245210185-223-8-12155
150480280240210-243-8-23180
200600335295265-263-12-23215


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