QF501B Three-Way Gas Switch
QF501B three-way air switch is a handle-operated rotary valve, mainly composed of slide plate, valve seat (valve body), rotary shaft, handle assembly, spring, sealing element and valve cover.
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Pneumatic Components For Petroleum Equipment
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QF501B Three-Way Gas Switch
Detail
1. Characteristic:
QF501B three-way air switch is a handle-operated rotary valve, mainly composed of slide plate, valve seat (valve body), rotary shaft, handle assembly, spring, sealing element and valve cover. QF501B is a three-way four-way (five-port) rotary valve with one gas source port, two output ports and two exhaust ports, this gas switch has the advantages of smooth operation, simple installation, small leakage and large circulation area.
Three-way air switch is mainly used in the pneumatic system of petroleum or geological exploration drilling rigs where it is necessary to change the direction of airflow or perform on-off operation on the return path. Such as the operation of the general clutch of the drilling rig, drilling pump, diesel engine and well truck 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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QF501C Four-Way Air Switch
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