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Pneumatic and hydraulic component manufacturer and supplier
We specialize in seven major product lines, including pneumatic valves for petroleum machinery, air-source treatment components, control components, actuating components, auxiliary components, pneumatic tools, and hydraulic components—totaling over 1,000 varieties.
oil field valve
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drilling accessories rig PQ-L10-40 Safety Valve Series drilling rig parts
In pneumatic transmission systems, a safety valve is a device used to prevent damage to pneumatic actuators, equipment, and piping by limiting the maximum pressure in the circuit. When the pneumatic pressure exceeds the maximum allowable limit, the safety valve automatically opens to vent excess air; once the pressure drops below this limit, the valve automatically closes.
valve pneumatic tool accessories QY494 One-Way Air-Flow valve zhpc
The QY494 unidirectional gas-guide tap is an auxiliary component used for pipeline connection and calibration. It serves as a coupling device that connects a stationary gas pipeline to a rotating gas pipeline. The assembly consists of a housing, a central tube (orifice tube), bearings, sealing rings, springs, and an inlet-end cover. The central tube is connected to the rotating shaft, and under spring pressure, the sealing rings make a tight seal against the end face of the central tube, thereby forming a passage. Compressed air enters through the inlet port and exits via this passage.
valve workover rig parts QY494 One-Way Air-Flow valve zhpc
The QY494 unidirectional gas-guide tap is an auxiliary component used for pipeline connection and calibration. It serves as a coupling device that connects a stationary gas pipeline to a rotating gas pipeline. The assembly consists of a housing, a central tube (orifice tube), bearings, sealing rings, springs, and an inlet-end cover. The central tube is connected to the rotating shaft, and under spring pressure, the sealing rings make a tight seal against the end face of the central tube, thereby forming a passage. Compressed air enters through the inlet port and exits via this passage.
valve workover rig parts QY494 One-Way Air-Flow Tap
The QY494 unidirectional gas-guide tap is an auxiliary component used for pipeline connection and calibration. It serves as a coupling device that connects a stationary gas pipeline to a rotating gas pipeline. The assembly consists of a housing, a central tube (orifice tube), bearings, sealing rings, springs, and an inlet-end cover. The central tube is connected to the rotating shaft, and under spring pressure, the sealing rings make a tight seal against the end face of the central tube, thereby forming a passage. Compressed air enters through the inlet port and exits via this passage.
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