PR-3AS减压阀，317减压阀

(PR-3AS) CAST IRON PRESSURE REDUCING VALVE CLASS 10K 


* Please name the model No. (PR-3AS) when negotiation. 
* Thread: BS21, ANSI B2.1 or DIN-259. 
* Max. Temperature: 220℃ 

PR-3AS减压阀，317减压阀
* Test Pressure: Body 20 kgf/cm2 (Hydrostatic) 
* Primary Pressure: 0.3 kgf/cm2 – 10 kgf/cm2 

Material: 
Model: PR-3AS 
Body Cap IRON 
Bottom Cover IRON 
Gasket ASBESTOS 
Diaphragm . 
Seat/Disc/Stem STEEL 
Spring . 
Spring Seat STEEL 
Packing PTFE 
Adjust Scr. Nut BRASS 
Bolt STEEL