QF501A Two-Way Air Switch
QF501A two-way gas switch is a handle-operated rotary valve, mainly composed of slide plate valve seat (seat body), rotary shaft, handle assembly, spring, sealing element and mao, valve cover.
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Pneumatic Components For Petroleum Equipment
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QF501A Two-Way Air Switch
Detail
1. Characteristic:
QF501A two-way gas switch is a handle-operated rotary valve, mainly composed of slide plate valve seat (seat body), rotary shaft, handle assembly, spring, sealing element and mao, valve cover. The QF501A is a two-position three-way rotary valve with one air source port, one output port and one exhaust port.
This kind of gas switch has the advantages of smooth operation, simple installation, small leakage and large circulation area.
The two-way air switch is mainly used in the pneumatic system of oil or geological exploration rigs where the airflow direction needs to be changed or the on-off operation needs to be performed. Such as the operation of the general clutch of the drilling rig, drilling pump, diesel engine and parallel clutch.
2. Symbol:
3. Technical Specification:
|
Nominal diameter mm |
6 |
|
Nominal pressure Mpa |
0.8 |
|
Leakage volume ml/min |
≤500 |
|
Effective cross-sectional area S value mm2 |
≥10 |
|
Normal commutation performance |
Flexible commutation, accurate without abnormal sound and jamming phenomenon |
|
Pressure resistance Mpa |
1.2 |
|
Working environment temperature ℃ |
-25～60（Note: -40℃ low temperature resistant products need special customization） |
4. Outline and installation dimensions:
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QF501B Three-Way Gas Switch
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