Артикул: RX7390
Directional spool valves, direct operated, with mechanical or manual actuation WMDA 6
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Description
- Size 6
- Component series 5X
- Maximum operating pressure 315 bar
- Maximum flow 60 l/min
Features
load errorProduct description
Type WM.. valves are mechanical, manually actuated directional spool valves. They control the start, stop and direction of a flow. Directional valves basically consist of housing (1), one type of actuation (2) (lockable rotary knob), control spool (3) and one or two return springs (4). In de-energized state, the return springs (4) maintain the control spool (3) in central or starting position - if the rotary knob is actuated with a detent. The control spool (3) is moved to the desired spool position by means of the type of actuation (2).
Detent
Directional valves with rotary knob are generally designed with detent. Directional valves with hand lever are optionally available as 2 or 3 position valves with detent. Directional valves with roller plunger are generally designed without detent. If types of actuation with detent are used, each spool position can be locked, depending on the valve type.
Throttle insert
The use of a throttle insert is required when due to prevailing operating conditions, flows can occur during the switching processes, which exceed the performance limit of the valve. It is inserted in channel P of the directional valve.
Type 4WMDA 6 E5X/F
Type 4WM. 6 ..5X/..B..
Type code
| 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | ||
| WMDA | 6 | 5X | / | F | / | no code | * |
| 01 | 3 main ports | 3 |
| 4 main ports | 4 | |
| Type of actuation | ||
| 02 | Lockable rotary knob 1) | WMDA |
| 03 | Size 6 | 6 |
| 04 | Symbols e. g. C, E, EA, EB, etc.; for the possible version, see Symbols and Types of actuation | |
| 05 | Component series 50 … 59 (50 … 59: unchanged installation and connection dimensions) | 5X |
| 06 | Without spring return with detent | F |
| Corrosion protection | ||
| 07 | Standard corrosion protection | ohne Bez. |
| Improved corrosion protection 2) | J | |
| Spool position monitoring 3) | ||
| 08 | Without position switch | ohne Bez. |
| Inductive position switch type QM | ||
| Monitored spool position "a" | QMAG24 | |
| Monitored spool position "b" | QMBG24 | |
| Monitored rest position | QM0G24 | |
| 09 | Without throttle insert | ohne Bez. |
| Throttle Ø 0.8 mm | B084) | |
| Throttle Ø 1.0 mm | B104) | |
| Throttle Ø 1.2 mm | B124) | |
| Clamping length | ||
| 10 | 42 mm (standard) | no code |
| Seal material | ||
| 11 | NBR seals | ohne Bez. |
| FKM seals | V | |
| Observe compatibility of seals with hydraulic fluid used. (Other seals upon request) | ||
| 12 | Without locating hole | ohne Bez. |
| With locating hole | /605) | |
| With locating hole and locking pin ISO 8752-3x8-St | /62 | |
| 13 | Further details in the plain text | * |
| 1) Key with material no. R900006980 for series 50 to 52 and R900008158 from series 53 is included in the scope of delivery. | |
| 2) The external parts made of metal are galvanized, treated with an anti-corrosion agent or made of stainless steel. This design is also suitable for on-wall applications. | |
| 3) Only for valves with 2 spool positions; not for version “J” | |
| 4) Use if flow > performance limit of the valve, effective in channel P. | |
| 5) Locking pin ISO 8752-3x8-St, material no. R900005694, separate order |
Preferred types and standard units are specified in the EPS (standard price list).
Technical data
load errorDiagrams/characteristic curves
(measured with HLP46, ϑOil = 40 ±5 °C)
Δp-qV characteristic curves
| 7 | Symbol “R” in spool position "b" (A → B) |
| 8 | Symbols “G” and “T” in central position (P → T) |
| Symbols | Direction of flow | |||
| P-A | P-B | A-T | B-T | |
| A | 3 | 3 | – | – |
| B | 3 | 3 | – | – |
| C | 1 | 1 | 3 | 1 |
| D | 5 | 5 | 3 | 3 |
| E | 3 | 3 | 1 | 1 |
| F | 1 | 3 | 1 | 1 |
| G | 6 | 6 | 9 | 9 |
| H | 2 | 4 | 2 | 2 |
| J | 1 | 1 | 2 | 1 |
| L | 3 | 3 | 4 | 9 |
| M | 2 | 4 | 3 | 3 |
| P | 3 | 1 | 1 | 1 |
| Q | 1 | 1 | 2 | 1 |
| R | 5 | 5 | 4 | – |
| T | 10 | 10 | 9 | 9 |
| U | 3 | 3 | 9 | 4 |
| V | 1 | 2 | 1 | 1 |
| W | 1 | 1 | 2 | 2 |
| Y | 5 | 5 | 3 | 3 |
Performance limits
(measured with HLP46, ϑOil = 40 ±5 °C)
Notice!
The specified switching power limits are valid for use with two directions of flow (e. g. from P to A and simultaneous return flow from B to T).
Due to the flow forces acting within the valves, the admissible switching power limits may be considerably lower with only one direction of flow (e. g. from P to A while port B is blocked)!
In such use cases, please consult us
| Characteristic curve | Symbol |
| 1 | E, E1–, M, H, C, D, Y, Q, U, W |
| 2 | J, L |
| 3 | A, B |
| 4 | G, P |
| 5 | F |
| 6 | V |
| 7 | R |
| 8 | T |
Symbols/Circuit diagrams
load errorDimensions
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