23QK-L8 Two-Position Three-Way Non-Open Pneumatic Control Valve
23QT-L8 two-position, three-position normal air control valve is a new type of air control valve, is the original QF506 dual-use air regulator of the modified replacement products.
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Pneumatic Components For Petroleum Equipment
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23QK-L8 Two-Position Three-Way Non-Open Pneumatic Control Valve
Detail
1. Characteristic:
23QT-L8 two-position, three-position normal air control valve is a new type of air control valve, is the original QF506 dual-use air regulator of the modified replacement products.
The 23QT-L8 two-position three-way normal air control valve is composed of valve body, valve stem, valve cover, piston, lower cover, seal, spring and other parts.
The valve has a gas source port (P), an output port (A), an exhaust port (O) and a control port (K).
In the absence of control gas, the valve is in a constant state with the gas source port connected to the output port
In the state of control gas, the piston and spool in the valve move forward to cut off the channel between the gas source port and the output port, and at the same time open the channel between the output port and the exhaust port, and the compressed air in the actuator and output line is emptied through the air connection port.
The valve is used in the pneumatic control system of oil drilling rigs and geological exploration rigs for long-distance control and close inlet and outlet air. The valve can also be used in the pneumatic system of other devices.
2. Symbol:
3. Technical Specification:
|
Nominal diameter mm |
8 |
|
Nominal pressure Mpa |
1.0 |
|
Leakage volume ml/min |
≤50 |
|
Effective cross-sectional area S value mm2 |
≥20 |
|
Commutation time S |
≤0.12 |
| Normal commutation performance |
Flexible commutation, accurate without abnormal sound and jamming phenomenon |
|
Pressure resistance Mpa |
1.5 |
|
Working environment temperature ℃ |
-25～60（Note: -40℃ low temperature resistant products need special customization） |
4. Outline and installation dimensions:
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23QB-L8 Two-Position Three-Way Normally Closed Pneumatic Control Valve
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