ใช้สำหรับระบายแรงดันในท่อส่งน้ำระบบดับเพลิง

แรงดันใช้งานสูงสุด Max.WP 175PSI
เกลียวประปา (NPT)
มาตรฐาน FM
ผลิตภัณฑ์สหรัฐอเมริกา
 

Reduce air accumulation and improve system efficiency and economy with the MetraVent air release valve.

Air in the system reduces the effective area available to the flow of fluids, restricting flow. Too much air can even stop fluid flow. Pumps work harder, increasing power consumption, and increasing your costs.

Mounted at high points within your engineered piping system, MetraVents will remove air pockets, providing an inexpensive and positive method to relieve air pressure in the system.

Engineered to provide many years of maintenance-free, trouble-free operation, MetraVents will return your investment many times over during the life of your system.

Standard Materials of Construction

Part No.

1      BODY   Cast Iron A126
2      COVER   Cast Iron A126
3      LEVER FRAME   Stainless Steel
4      SEAT   Stainlerss Steel 
5      FLOAT    Stainless Steel 
6      GASKET   Compressed Non-Asbestos Fiber
7      COVER BOLT   Carbon Steel
8    FLOAT ARM    Stainless Steel 
9    ORIFICE BUTTON    Fluoroelastomer
10    PIVOT PIN/ RETAINER    Stainless Steel 
11    PIPE PLUG (0.5")    Stainless Steel 
12    LOCATOR   Stainless Steel