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National standard lift check valve

Products > Check valve > National standard lift check valve

National standard lift check valve

Model: H41W / H
Nominal diameter: DN50 ~ 400mm
Nominal pressure: PN10 ~ 160MPa
Working temperature: -196 ℃ ~ + 560 ℃
Main material: carbon steel, stainless steel
Applications: Suitable for water, food, pharmaceutical, Electricity, oil, liquefied petroleum gas, steam, and other media pipeline
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Product Overview
GB lifting check valve for medium and small diameter pipeline pressure, temperature and medium control connected or cut off the pipeline medium opening and closing device; rely on valve flap weight and fluid pressure to automatically stop the fluid Backwards.
 

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, GB lifting check valve with simple structure, reliable operation, easy maintenance, etc., are 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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