| Customization: | Available |
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| Function: | Reversing |
| Installation: | Plate |
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Specificities
Directional spool valve, direct operated
Panel installation
Handle operation
Mounting surface according to DIN 24340A, ISO 4401
WMM valve is a handle-operated directional spool valve used to control the opening and closing and flow direction of oil.
The directional control valve mainly comprises a valve body (1), a handle (2), a control slide valve core (3) and one or two return springs (4).
In the non-operating state, the control spool (3) is held in the neutral or initial position by the return spring (4). The control spool (3) is driven by the handle (2).
It acts directly on the control slide (3) via a joint and a pin. The control slide (3) is thus moved from the initial position to the required switching position.
After the handle (2) returns to the switching position, the control slide valve core (3) is pushed back to the middle position by the return spring (4).
4WMM.../F... type (with positioning mechanism)
Directional control slide valves with 2 or 3 switching positions and a detent mechanism can be positioned in all switching positions.
Specifications
| Working medium temperature range | ºC | -30 ~+80 (NBR seals) | |
| -20 ~+80 (Fluorine Rubber Seal) | |||
| Maximum working pressure of oil port | Oil port A B P | bar | 315 |
| Oil port T | bar | 160 | |
| Maximum flow rate | L/min | 120 | |
| Working medium | Mineral oil; phosphate ester | ||
| Viscosity range | mm2/s | 2.8 ~500 | |
| Oil contamination degree | Maximum oil contamination according to NAS 1638 Class 9 and ISO 4406 Class 20/18/15 | ||
| Weight | kg | 4.4 | |
Hebei Ding'an Hydraulic Machinery Co., Ltd. is a professional company integrating the research, production and sales of hydraulic valves. It is an ISO9001:2000 quality management system certified enterprise. The company currently has fixed assets of more than 10 million yuan, covers an area of 16,000 square meters, has strong technical force, and has more than ten years of experience in the development and production of hydraulic valves. It can quickly and high-quality develop various mining and engineering machinery hydraulic valves according to customer requirements.
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