Marine Flanged Air Pressure Reducing Valve HDMV21

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China Marine Flanged Air Pressure Reducing Valve HDMV21:

Marine Air Pressure Reducing Valve is used for marine compressed air pipe system. It can keep outlet pressure stable.

Technical Specification:

Standard:CB/T3656-94 for reference.

Nominal Size: DN15~DN150

Inlet Pressure: 1.0~3.0Mpa

Outlet Pressure:0.05~1.0Mpa

Pressure Class Inlet Pressure P1 (Mpa) Outlet Pressure P2(Mpa)
A 3.0 1.0~0.7
B 3.0 <0.7~0.2
C 1.0 0.4~0.05

Main Parts & Material:

Body-Bronze, Cast Iron, Cast Steel

Bonnet-Bronze,Cast Iron, Cast Steel

Spring-60Si2MnA

Film-Rubber

Main Size(mm):

Nominal Size Structure Size Flange Size
L H h D D1 D2 n d0
20 180 295 121 105 75 58 4 14
25 180 295 121 115 85 68 4 14
40 200 298 130 150 110 88 4 18

Note: the flange size in the above list is as per GB2501 PN2.5. The flange size also can be manufactured according to JIS, ANSI, DIN standard.

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