4WRZ16E3-100-7X/6EG24N9K4/D3M 4WRZ16E3-150-7X/6EG24N9K4/D3M 4WRZ16E1-180-7X/6EG24N9EK4/M Original stock German made Rexroth proportional electro-hydraulic directional valve

4WRZ16E3-100-7X/6EG24N9K4/D3M
4WRZ16E3-150-7X/6EG24N9K4/D3M
4WRZ16E1-180-7X/6EG24N9EK4/M Original stock German made Rexroth proportional electro-hydraulic directional valve

FAQ;

1. What is the maximum operating pressure for 4WREE valves?
The maximum operating pressure is typically 350 bar (5075 psi) for most sizes, with some models supporting up to 420 bar (6090 psi) for specific applications.

2. Which hydraulic fluids are compatible with 4WREE valves?
Compatible fluids include mineral oil-based hydraulic oils (ISO VG 10-68), biodegradable hydraulic fluids (HEES, HETG, HEPG), and synthetic hydraulic oils (with prior approval from Rexroth).

Installation & Mounting

3. What mounting standards apply to 4WREE valves?
Most 4WREE models comply with ISO 4401 (CETOP RP 121 H) mounting dimensions, ensuring interchangeability with other standard valves.

4. Can 4WREE valves be mounted in any orientation?
While vertical mounting is recommended for optimal performance, valves can be mounted horizontally with minimal impact, provided the solenoid coils are not exposed to direct moisture or extreme temperatures.

5. What torque should be used for mounting bolts?
Follow Rexroth’s specifications: M10 bolts require 25-30 Nm, M12 bolts require 45-55 Nm, and M16 bolts require 90-110 Nm (always use thread lock if specified).

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