R68G-8GK-RLN￥英国NORGREN比例调压阀
Fluid temperature: ?0 癈 up to max. +180 癈
Ambient temperature: ?0 癈 up to max. +60 癈
Material body: Stainless steel (1.4581)
Seat seal: PTFE
Internal parts: Stainless steel
Spindle sealing: PTFE / FPM, self-adjustable
Pilot fluid characteristics / Actuator material
Pilot fluid: neutral gases fluids
Fluid temperature: max. +60 癈
Material body: Polyamid 66 with glass fibre 30
2/2-way valves DN 15 to DN 50
For aggressive gases and liquids
Pressure actuated by external fluid
Internal threads G 1/2 to G 2 or 1/2 NPT to 2 NPT
Operating pressure (see table)
Process fluid characteristics / Valve material%
?Easy rebuilding into 籲ormally open?or 籨ouble-acting?without tools
?Optical position indicator is standard
?Damped closing (Valves closes against flow direction)
?Suitable for contaminated flow fluid
?Suitable for vacuum up to max. 90 %
?Reversed flow direction optional
?High flow rate
?With or without mounted pilot valve
?Option pressure actuated by external liquid fluid