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Stainless steel vertical check valve

Products > Check valve > Stainless steel vertical check valve

Stainless steel vertical check valve

Model: H42W
Nominal diameter: DN40 ~ 200mm
Nominal: PN1.6 ~ 2.5MPa
Temperature: ≤200
Medium: corrosive medium, weak corrosive
Materials: chrome-nickel stainless steel, titanium, nickel-chromium-molybdenum, titanium, stainless steel
design criteria : API6D, JB / T8937, API594
Structure Length: API594, JB / T8937
Connection Standard: ASME B16.5, GB / T 9113, JB / T79, HG / T 20592
Pressure Test: API 598, GB / T 13927, JB / T 9092
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Product description

H42W stainless steel vertical check valve is normally closed, due to the pipeline inlet medium pressure, and overcome the spring resistance to open the valve. When the inlet side of the medium pressure is lower than the outlet end, the spring will push the spool to the valve seat to close the valve to prevent the media countercurrent, it played the role of check. The valve due to the use of spring support spool, so the use of vertical or horizontal installation can be installed.

Material list

modelPNWorking pressure / MpaApplicable temperature / ℃Suitable mediamaterial
Body, discPilot valveSealing surface
H42W-16P161.6≤200Corrosive mediaChrome nickel-titanium stainless steelChrome nickel-titanium stainless steelChrome nickel-titanium stainless steel
H42W-25R252.5Weak corrosive mediumChromium nickel molybdenum titanium stainless steelChromium nickel molybdenum titanium stainless steelChromium nickel molybdenum titanium stainless steel

 

Performance specifications

Technical ParametersPressure Level
16202532354045506070
Working pressure (Mpa)≤16≤20≤25≤32≤35≤40≤45≤50≤60≤70
Test pressure (M)strength243037.54852.56067.57590105
seal17.62227.535.238.54449.5556677


The main dimensions 1.6Mpa

modelDNThe main connection size size
LDD 1D 2D 6bff 1Z-φdH
H42W-16PH42W-16R4020014511085-162-4-1895
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

 

2.5Mpa

modelDN (mm)Size (mm)
L 1L 2L 3DD1D2bfZ-Φ
H42W-25PH42W-25R15-858595654516-4-Φ14
20-9595105755516-4-Φ14
25-100105115856516-4-Φ14
32-1051501351007816-4-Φ14
40-1151601451108818-4-Φ14
501401251701601251002034-Φ14
651601451801801451202238-Φ18
801851552001951601352238-Φ18
1002102102102301901602438-Φ23
125-2752752752201882838-Φ25
1503002253003002502183038-Φ25
20038038038036031027834312-Φ25


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