Relief Modular Valves
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Features
- This balanced piston type relief modular valve is an improvement over the conventional type relief valve.
- The valve is designed to control the maximum pressure of the hydraulic circuit and also serves as a safety valve.
- It can provide normal performance in a wide range of operating pressure from 8 up to 250 bar.
- Back pressure in tank port should be as low as possible (under 5 bar)
- In case the valves are used as safety valves,pressure setting should be higher than max. circuit pressure by 10~15 bar.
- The pressure will be increased when the pressure adjustment handle is turned clockwise,and will be reduced when the pressure adjustment handle is turned counter-clockwise.
- Be sure to re-tighten the lock nut firmly after making adjustment to the pressure.
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Ratings
| Model | Max Operating Press bar(PSI) | Max Flow Ipm
(USgpm) |
Valve
Size |
Weight
kg(Ib) |
|---|---|---|---|---|
| MB*-01- | 250(3600) | 50(13.2) | 1/8″ | 1.1(2.4) |
| MB*-03- | 250(3600) | 100(26.5) | 3/8″ | 3.8(8.3) |
| MB*-04- | 250(3600) | 190(50.2) | 1/2″ | 7.0(15.4) |
| MB*-06- | 250(3600) | 300(79.3) | 3/4″ | 11.2(24.6) |
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| Moddel & Symbol | Model & Symbol |
|---|---|
| MBP-01(03) | MBP-04(06) |
| MBA-01(03) | MBA-04(06) |
| MBB-01(03) | MBB-04(06) |
| MBW-01(03) |
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MB*-01 Relief Valves(Modular Type)
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MB*-03 Relief Valves
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MB*-04 Relief Valves
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MB*-06 Relief Valves
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MBW-01 Relief Valves
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MBW-03 Relief Valves
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Ordering Code
| MB | P | 01 | C | 20 | S |
|---|---|---|---|---|---|
| Series No | Control Line | Valve Size | Pressure Adj. Range | Design No. | Option Kits |
| Relief Modular Valves | P: P Port | (DSG) 01
(NFPA-D03) |
C: 8~140 bar | 20
DIN 912 bolts |
None:
With Knob |
| A: A Port | (DSG) 03
(NFPA-D05) |
H: 70~ 210 bar | 2090
UNC bolts (North America) |
S:
Soc. Hd. Cap. Screw |
|
| B: B port | (DSHG) 04
(NFPA-D07) |
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| W:A&B Port | (DSHG) 06
(NFPA-D08) |
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