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| Categories | Hydraulic Control Valve |
|---|---|
| Brand Name: | Hengli |
| Model Number: | Type WMD10...L3X |
| Place of Origin: | China |
| MOQ: | 1 set |
| Price: | Negotiable |
| Payment Terms: | T/T, Western Union, MoneyGram |
| Supply Ability: | 50 set / 30 days |
| Delivery Time: | 5-30 days upon order quantity |
| Packaging Details: | Wooden packing |
| Material: | C.S/SS |
| Seal: | NBR/FKM |
| Pressure: | 315 bar |
| Max. flow: | 120 L/min |
| Fluid temperature range: | -30 to +80 (NBR seal)/-20 to +80 (FKM seal) ℃ |
| Company Info. |
| oepoch industrial technology |
| View Contact Details |
| Product List |
4-way 3-position, 4-way 2-position and 3-way 2-position directional valve with mechanical, manual operation
Type WMD10...L3X
Features
- Direct operated directional spool valves with mechanical, manual operation
- For sub-plates mounting
- Rotary knob with or without lock 45 kinds standard spools, optional
- Porting pattern confirms to DIN 24 340 form A and ISO 4401
Function and configurations
Directional valves type WMD... are mechanical, manual operated directional spool valves. They control the start, stop and direction of a flow.
The rotary knob (2) operates (2×90 °) the spool (1), the screw type rotation transforms into axial movement and direct acts on the spool (1). Then the spool (1) moves to the end position and gets the opening position as required.
Actual switch position of spool (1) can be controlled with rotary knob (2). All the switch positions can be orientated by locating device.
Cartridge throttle
The use of a throttle insert is required, when operating, flows can occur during the switching processes that exceed the performance limit of the valve.
These throttles are to be inserted into the P-channel of the directional valve.
Specifications
Symbols
Technical data
| Fluid temperature range | ℃ | -30 to +80 (NBR seal) | |
| -20 to +80 (FKM seal) | |||
| Max.operating pressure | Port A,B,P | bar | 315 |
| Port T | bar | 160 | |
| Max. flow-rate | L/min | 120 | |
| Flow cross section (switching neutral position) | Type V | mm2 | for symbol V 11(A/B to T) 10.3(P to A/B) |
| Type W | mm2 | for symbol W 2.5(A/B to T) | |
| Type Q | mm2 | for symbol Q 5.5(A/B to T) | |
| Fluid | Mineral oil, Phosphate ester | ||
| Viscosity range | mm2/s | 2.8 to 500 | |
| Degree of contamination | Maximum permissible degree of fluid contamination: Class 9. NAS 1638 or 20/18/15, ISO4406 | ||
| Weight | kg | 4.2 | |
Unit dimensions (Dimensions in mm)
1 Switched position b → a, o → a
2 Switched position a → b, a → o, b → o
3 Switched position o → b
4 3-position valve (including spool * A and *B):
Switched position b
Operating valve 90° clockwise and 90° anti-clockwise
2-position valve (spool A, C, D): Operating valve 90° clockwise
5 Nameplate
6 Fixing surface
7 O-ring 12×2 for ports A, B, P and T
8 Additional return port when using control block
9 Observe the spool position through the colorful disc in the front of the rotary knob
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