• 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