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Wuxi Kaiweilian Hydraulic Machinery Co., Ltd
ZDR6DP1-40B／210YM， Stacked pressure reducing valve
VerhandlungsfähigAktualisieren am05/21
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ZDR6DP1-40B／210YM， Normal state of stacked pressure reducing valve: the valve core is normally open, and P → P1 flows freely; $r $n $r $n pressure reduction and stabilization: P1 pressure rises to the set value → valve core force balance → reduce P → P1 opening → pressure drop increases → P1 stabilizes at the set pressure;
Produktdetails
ZDR6DP1-40B／210YM， Stacked pressure reducing valve
1、 Model meaning (paragraph by paragraph analysis)
ZDRStacked direct acting pressure reducing valve
6/10: Path →NG06(6mm)/NG10(10mm)（ISO4401）
D: Direct acting type
PThe pressure reducing oil port isP→P1(Oil in → depressurized oil out)
1Adjustment method=Knob type (lockable)
40B40 series, B-type seal
210：Maximum regulated pressure of 21MPa (210bar)
Y: Control oilinner supply
MSpring chamber oil leakageLeakage (T port)
2、 Technical Parameters (Summary Table)
| parameter | ZDR6DP1-40B/210YM | ZDR10DP1-40B/210YM |
|---|---|---|
| path | NG06（6mm） | NG10（10mm） |
| Installation method | Stacked (plate type) | Stacked (plate type) |
| mounting surface | ISO4401-03 / DIN24340 A 型 | ISO4401-05 / DIN24340 A 型 |
| traffic | 50 L/min | 80 L/min |
| voltage regulation range | 1.0～21.0 MPa | 1.0～21.0 MPa |
| Maximum withstand voltage (P port) | 31.5 MPa | 31.5 MPa |
| Export pressure resistance (P1) | 21.0 MPa | 21.0 MPa |
| Return oil pressure resistance (T port) | ≤10 MPa | ≤10 MPa |
| adjustment method | Knob (lockable, with scale) | Knob (lockable, with scale) |
| Sealing material | Nitrile rubber (NBR) | Nitrile rubber (NBR) |
| medium | Ordinary/anti-wear hydraulic oil (HLP32-68) | Ordinary/anti-wear hydraulic oil (HLP32-68) |
| oil temperature | -20℃～+60℃ | -20℃～+60℃ |
| weight | About 0.8 kg | About 1.5 kg |
3、 Structure and Working Principle
- structureDirect acting three-way structure,P → P1 pressure reduction, P1 → T overflow protectionCast iron valve body, alloy steel valve core, high-strength steel spring.
-
Principle (three-way pressure reduction+overflow protection)：
normal stateThe valve core is normally open,P → P1 free flow；
Reduce pressure and stabilize voltageP1 pressure rises to the set value → valve core force balance → reduce P → P1 opening → pressure drop increases →P1 stabilizes at the set pressure；
Overflow protectionP1 overpressure → valve core continues to move →P1 → T Connect overflowLimit P1 pressure to ≤ 21MPa;
DrainLeakage of oil in the spring chamberT-port leakageTo avoid back pressure affecting the accuracy of pressure regulation.
4、 Appearance and installation dimensions (stacked)
oil portP (oil inlet), P1 (pressure reducing oil outlet), T (return oil), A, B (port)
Install：4 个螺栓固定 （NG06：M5；NG10：M6）
Dimensions (length x width x height)：
ZDR6DP1: Approximately 70 × 40 × 45 mm
ZDR10DP1: approximately 85 × 50 × 55 mm
ZDR6DP1-40B／210YM， Stacked pressure reducing valve
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