ZHP Type Single Seat Control Valve is a kind of top pilot single seat valve, which has simple structure, well sealing, high flow rate and stable application performance. Reasonable top spiral system can avoid vibration during small opening percentage, so as to extend valve working life. SINGLE SEAT CONTROL VALVE SPECIFICATION Body type: straight through casting globe type Spool type: non-balanced single seat plug type Nominal size: DN20~200 NPS 3/4ã??~ 8ã?? Nominal pressure: PN16 ~ 100 CLASS 150LB ~ 600LB Connection: flange: FFã?�RFã?�MFã?�RTJ Welding: SWã?�BW Flange dimension: acc. to IEC 60534 Bonnet type: standard typeï¼?-5â??~230â??ï¼? Radiator type: ï¼?-45â??~ high than 230â?? occasionï¼? Low temperature extended typeï¼?-196â??~ -45â??ï¼? Bellow seal type Warm insulation Jacket type Packing: V type PFTE packing, flex. graphite packing, etc. Gasket: Metal graphite packing Actuator: pneumatic: multi-spring diaphragm actuator, piston type actuator. electric: 3810L series smart actuator, PSL series actuator. Surface painting: Green color, acrylic acid polyurthene ceramic paint. SINGLE SEAT CONTROL VALVE CODE Z Actuator H Structure Nominal Pressure Body Material Nominal Size Z series control valve J: pneumatic diaphragm actuator H: pneumatic piston actuator R: electric 3810L actuator D: electric PSL actuator Hdirect travel P: standard single seat PF: soft sealing single seat PL: single seat cage type PG: radiator single seat type PV: bellow seal single seat PD: low temperature single seat PN16=16 CL150LB=150 LB JIS10K=10K C=WCB LC=LCB P=CF8 PL=CF3 R=CF8M RL=CF3M D=special material DN25= DN25 NPS1ã??=NPS1ã?? Such as: Z type pneumatic diaphragm single seat control valve, PN16, body: WCB, nominal size: DN50, type: ZJHP-16C DN50
