Delivery Time:1-30 work days
Certification:CE

MRV Series Pressure sandwich check valve hydraulic Modular relief valves

Specification

MRV	02	P	2
Series	Valve size 02 03 04 06	Action form P:P port A:A port B:B port W:A.B port	Pressure adj. range 1:7-70kgf/cm² 2:35-140kgf/cm² 3:70-210kgf/cm² 4:100-350kgf/cm²

Model	Rated pressure (kg/cm)	Pressure adjusting range (kg/cm)	Max. flow (L/min)	Weight (kg)
MRV-02P MRV-02A MRV-02B MRV-02W	350	1:7-70 2:35-140 3:70-210 4:100-350	02:40	1.2
MRV-03P MRV-03A MRV-03B MRV-03W			03:80	1.4
MRV-04P MRV-04A MRV-04B MRV-04W			04:300	3.4
MRV-06P MRV-06A MRV-06B MRV-06W			06:500	11.6

Features	1. Size 02, DN06, max flow 35L/min; 03, DN10, max flow70L/min;
	2. Max working pressure 210bar;
	3. Adjusting range:1. 0.7-7.0 MPa; 2. 3.5-14.0 MPa; 3. 7.0-21.0 MPa;
	4. Modular mounting according to ISO 4401, DIN2340 A, CETOP-RP 121H
Function	MRV series modular relief valves is direct operated poppet valve, they are applied to limit the pressure in a hydraulic system, MRV series modular relief valves is a typical modular mounted direct act relief valve according to ISO 4401, DIN2340 A, CETOP-RP 121H. MRV-*-W provide A-T, B-T control. MRV series can control flow positive direction pass oil port,flow can be adjusted by handle,it passes to check valve for reverse flow.Relief range is adjustable through the knob, provide with flexible application to customers.

Install the control valve stack can be reduced. Reduce the failure by the pipe, leaking pipe vibration caused by drinking, can change a simple circuit, replacement of components, maintenance is very convenient, is more suitable for a wide range of hydraulic components.
Yuken MRV-02P valve stack to a hydraulic pressure control valve. Hydraulic equipment in the main role of the overflow from the constant pressure regulator, unloading systems and safety protection.
Constant pressure overflow effect: the quantitative pump throttle system, the quantitative pump to provide a constant flow. When the system pressure increases, the traffic demand will decrease. At this point relief valve open, so that excess flow back to tank overflow, inlet pressure relief valve to ensure that the pump outlet pressure constant (often with the pressure fluctuations valve port open).
The role of regulator: the way back to the oil spill in series, back pressure relief, increased steadily moving parts.
Unloading systems: remote port relief valve in series with the solenoid valve spill small flow when the solenoid is energized, the relief valve remote control port to tank, then pump unloading. In this case as unloading relief valve.
A security role: when the system is working properly, the valve closes. Only the load exceeds a predetermined limit overflow opening (system pressure exceeds the set pressure), the overload protection, the system pressure does not increase (usually makes the set pressure relief valve system maximum operating pressure higher than 10% to 20% ).
Usually there are practical applications: for unloading valve, pressure regulator for the remote, for high and low pressure multi-stage control valve for sequence valve, used to generate back pressure (string in the oil return path).
The main requirement for relief valve: regulating range, small deviations regulator, pressure runout small, sensitive, large overload capacity, low noise.

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