CN111059346A
|
|
Portable hand wheel assembly
|
CN110553084A
|
|
Hydraulic driver for underwater valve
|
CN108869866A
|
|
A kind of valve seat flashboard shearing combined mechanism and shearing safety valve
|
CN108679296A
|
|
A kind of all-metal valve rod sealing mechanism and flat gate valve
|
CN108679251A
|
|
A kind of all-metal valve seat sealing mechanism and flat gate valve
|
CN108195270A
|
|
A kind of valve body verticality measurement device
|
CN108019179A
|
|
A kind of metal sealing component and boll-weevil hanger
|
US2020032920A1
|
|
Pneumatic diaphragm actuator and safety valve
|
CN105042099A
|
|
High-temperature and high-pressure sluice valve
|
CN105065763A
|
|
Bidirectional control rod hand wheel component
|
CN105003694A
|
|
Impact resisting check valve
|
CN105065759A
|
|
Impact-type expansion valve
|
CN104595559A
|
|
Spring type hydraulic driver
|
CN104595561A
|
|
Spring type hydraulic driver for flat gate valve
|
CN104563960A
|
|
Sand-proof valve
|
CN104499992A
|
|
Choke manifold
|
CN104500797A
|
|
Underwater exhaust valve
|
CN103672130A
|
|
Deepwater underwater brake valve hydraulic driver
|
CN103670321A
|
|
Manual operation flashboard type sucker rod blowout preventer
|
CN103148261A
|
|
Pneumatic diaphragm driving device for flat gate valve
|