Расширение задвижка

Expanding Gate Valve• Full bore design eliminates efficiently pressure drop and vortex, and eliminates washing by solids in fluid.• Gate use expanding type structure.• Achieve low torque operation and low wastage during open and close.• Metal seal is used between bonnet and body.• Soft seal or metal seal is used between gate and seat.• Inject sealant through injection valve to improve seal performance.• Working Pressure: 2000PSI 10000PSI• Nominal Bore: 1.13/16" 7.1/16" (46mm 180mm)• Working Medium: oil,natural gas,mud and gas containing H2S,CO2• Working Temperature: -46°C 121°C(Class LU)• Material Class: AA,BB,CC,DD,EE,FF,HH• Specification level: PSL1-4• Performance Requirement: PR1-2