Shijiazhuang High & Middle Pressure Valves Manufacturer
Home About Products Services Contact

  • By Series:

Built-in relief valve NA42F - 25

Product Features

Apply to liquefied petroleum gas, liquid oxygen tank lorry, such as when the medium inside the tank pressure rises to the setting value, the valve automatically opens, the total amount of emissions, when the medium pressure down to a specified value.
Valve automatically shut down, to protect the safe operation of the equipment.

Technical parameters

Technical parameters

 

Nominal pressure Mpa 2.5
Shell test pressure Mpa 3.75
Mpa opening pressure level 1.0, 1.8, 2.2
Applicable medium - 40ºC to + 80ºC
Suitable temperature Liquefied petroleum gas, ammonia, ammonia, etc

The major parts material

 

The valve body stents The disc The valve stem The guide sleeve spring gasket
WCB WCB WCB 20Cr13 ZG20Cr13 50CrVA PTFE

Built-in relief valve NA42F nominal pressure PN2.5 MPa shape size and the connection size

 

DN D0 D D1 D2 D3 b f Z - phi d H H1
50 35 160 125 99 68 20 3 4 - phi 18 407 113
80 52 235 190 149 105 25 5 8-22 532 145

Our strength