Safety Valve
Safety valve is a device consisting of actuator and gate valve used
to control the main path and flanks of Christmas trees through
remote hydraulic operation in order to ensure the safety of
wellhead equipment.
Structural Characters:
· Single piston design and small displacement, making closing time
short;
· Opening and closing state can be directly displayed by the apical
axis on the top;
· The driver unit is design with sand prevention structure, which
can prevent corrosion of wind and sand;
· Single-spring or double-spring structure (with shearing function)
can be realized according to customer needs; the spring assembly is
easy to be assembled with no need to use special tools;
· There is housing outside the spring, which can provide effective
protection;
· Convenient for maintenance, the gate valve can be disassembled
entirely for repair.
Specification:
Nominal Bore Size: 1 13/16",2 1/16",2 9/16",3 1/16",3 1/8",4 1/16",5 1/8",7 1/16"
Rated Working Pressure: 2000psi,3000psi,5000psi,10000psi,15000psi
Levels of Product Specification: PSL1～PSL3G
Levels of Product Performance: PR1～PR2
Material Level: AA BB CC DD EE FF HH
Temperature Level: －46℃～121℃(L-U)
Working Medium: Oil, Natural Gas, Slurry, Gas Mixed With H2S, CO2
