Forbes Marshall Piston Valve

Description : Piston valves provide perfect tightness and durable stability on different mediums such as steam,superheated steam,heat transfer fluid,ammonia,L.P.G,acids,alkalies etc

Size and Pipe Connections : 1. 15 NB / 20 NB / 25 NB /32NB/ 40 NB 2. 50NB/65NB/80NB/100NB/125NB/150NB/200NB 

Limiting Conditions as per IBR norms : For (15,20,25 & 40NB) socket weld ends. For 15,20,& 25NB screwed ends. For (32-40 NB) screwed ends. For 50NB/65NB/80NB/100NB/125NB/150NB/200NB Body design conditions : ANSI 300 Flanged ends Body design conditions :ANSI 150 Flanged ends Screwed BSPT/NPT ends. Socket weld ends. Flange type :ANSI 150 Flange type :ANSI 300 Maximum operating pressure : 78 bar g Maximum operating temperature : 425 C Maximum hydraulic test pressure: 156 bar g Maximum operating pressure : 78 bar g Maximum operating temperature : 425 C Maximum hydraulic test pressure : 156 bar g Maximum operating pressure : 41.5bar g Maximum operating temperature : 425 C Maximum hydraulic test pressure: 83 bar g Maximum allowable pressure : 51 bar g @ 38 C Maximum operating pressure : 41.5 bar g @ 253 C Maximum operating temperature : 425 C @ 28.8 bar g Maximum hydraulic test pressure: 83 bar g Maximum allowable pressure : 19.6 bar g @ 38 C Maximum operating pressure : 14 bar g @ 197 C Maximum operating temperature : 425 C @ 5.5 bar g Maximum hydraulic test pressure : 28 bar g 0 0 0 0 0 0 0 0 0