| Description |
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Designed to control Double pumps of Hi-Low system. Unloads low pressure pump when system pressure rises above the pressure set on Unloader valve. Relieves high pressure pump when system pressure reaches the value. Solenoid unloading facility available as an option. |
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Hydraulic Symbol

Connection details
HP ---- High pressure pump connection. LP ---- Low pressure pump connection. P ---- Out-let connection. HPG ---- Gauge connection on high pressure pump line. LPG ---- Gauge connection on low pressure pump line. Pt ---- Pilot pressure connection (Optional). T1 ---- Tank connection of high pressure relief valve. T2 ---- Tank connection of low pressure unloading valve. F ---- Filter port connection (T1 & T2). R ---- Outlet connection (reduced pressure)
| Unit Dimensions |

PCM 20/06 and PCM 20/10 with provision for filter port
| PCM 20/06 and PCM 20/10 with provision for mounting pressure reducing valve DPM*06*A-01-* |
Note : Optional to be ordered separately.
| Technical Specifications |
| Construction PCM 20/06 and
........... PCM 20/10 |
Direct acting poppet type high pressure relief valve two stage poppet type low pressure unloading valve. All valves fitted in cavities machined as per ISO7368 | ||
| Mounting ........................................... | Threaded bodies : company standards. | ||
| Mounting position ............................. | Optional. | ||
| Flow direction ................................... | As per hydraulic symbol. | ||
| Operating pressure ........................... |
For low pressure pump
50 and 100 bar. For high pressure pump 100, 200, 315 bar. |
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| Hydraulic medium ............................. | Mineral oil. | ||
| Viscosity range ...................... ....... | 10 cSt to 380 cSt. | ||
| Fluid temperature range ................... | -20 °C to +70 °C. | ||
| Fluid cleanliness requirement ........... | As per ISO 16/13. | ||
| Maximum flow handling capacity ...... | Model | High pressure | Low pressure |
| PCM 20/06 PCM 20/10 |
25 l / min. 60 l / min. |
160 l / min. 160 l / min. |
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| Mass ................................................. | 14 Kg. APPROX | ||
| Ordering Informations |
| All rights reserved. Subject to revision. |
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Regd. office & Works : |
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Copyright ©
Polyhydron Pvt. Ltd. Belgaum, India. |
Updated on May 11, 2010 05:19 pm .