Product Description
| Manufacturer | Duplomatic MS | Model | RPCQ-2T3/31 |
| Valve type | Three-way flow control valve, pressure and temperature compensated | Size | NG10 |
| Mounting | Subplate, ISO 6263-06 | Maximum operating pressure | 320 bar |
| Controlled flow, maximum | 50 l/min | Controlled flow, minimum | 0.060 l/min |
| Inlet / controlled outlet | E / U | Excess flow outlet | T, return to tank |
| Minimum pressure differential E–U | 10 bar | Built-in relief valve setting range | 10–210 bar |
| Adjustment | Six-turn knob with locking screw | Seals | NBR |
| Ambient / fluid temperature | −20 to +60 °C / −20 to +80 °C | Mass | 4.7 kg |
| Fluid viscosity | 10–400 cSt; recommended 25 cSt | Hydraulic fluid | Mineral oil HL / HM, ISO 6743-4 |
| Cleanliness | ISO 4406:1999 class 20/18/15; 18/16/13 for flow below 0.5 l/min | Mounting screws / torque | 4 × M8×75; 20 Nm |
RPCQ-2T3/31 – Duplomatic three-way flow control valve with pressure relief
Duplomatic RPCQ-2T3/31 combines a pressure and temperature compensated three-way flow control valve with a built-in adjustable pressure relief valve. It supplies controlled flow from inlet E to outlet U up to 50 l/min and diverts surplus flow through T to the tank. The integrated relief valve has a 10–210 bar adjustment range; this range is distinct from the valve's maximum operating pressure of 320 bar.
This standard version uses a six-turn calibrated adjustment knob with a turn indicator. A locking screw retains the flow setting. NBR seals are intended for mineral oil HL/HM. Compensation requires at least 10 bar pressure differential between E and U. The catalogue specifies a minimum controlled flow of 0.060 l/min.
Selection and installation
Q identifies the built-in pressure relief valve, 2 the mounting size, T3 the three-way configuration, and 31 the design series. Use the proper ISO 6263-06 three-port mounting pattern and verify the E, U, T and X connections for the circuit. The catalogue lists PMRPCQ2-AI4G rear-port subplates with 1/2 inch BSP E/U/T ports and a 1/4 inch BSP X port. Set the relief pressure to suit the application; no factory pressure setting is specified here.
The CAD image and downloadable DWG represent the external geometry of the RPCQ-2T3 valve body with the pressure adjustment screw. The CAD source matches the standard six-turn version. The additional photograph illustrates the RPCQ-T3 family. Availability and delivery time are confirmed on request.