Pilot Operated Proportional Directional Valve 4wrze25 with Amplifier Lander

• Function：Reversing
• Installation：Plate
• Drive：Electric Hydraulic
• Type：Pilot-Operated Type
• Max Working Pressure：350bar
• Max Flowing：870L,Min

=== Base Info ===

• Model NO.：4WRZE25
• Transport Package：Standard Carton or Plywood Package
• Trademark：Lander
• Origin：China
• HS Code：8481201090
• Production Capacity：100 Pieces,Month

=== Description ===
Overview

Technical data

Valve typeWRZWRZEFixing positionOptional, preferably horizontalStorage temperature rangeºC-20 to +80Ambient temperature rangeºC-20 to +70-20 to +50Weightsubplate connectionsize10kg7.88.01613.413.62518.218.43242.242.2 Size10162532Operating pressurePilot valveExternal pilot oil supplybar30 to  100Internal pilot oil supplybar100 to 315 with "D3" only100 to 350 with "D3" onlyMain valvePort P,A,Bbarup to 315up to 350up to 350up to 350Return flow pressurePort T (port R)(external plot oil drain)barup to 315up to 250up tp 250up to 150Port T(internal pilot oil drain)barup to 30up to 30up to 30up to 30Port Ybarup to 30up to 30up to 30up to 30Flow of the main valveL/minuo to 170up to 460up to 870up to 1600Pilot oil flow in port X and Y with a stepped input singal 0-100%L/min3.55.5715.9Pilot oil volume  input signal 0-100%cm³1.74.61026.5FluidMineral oil (HL,HLP) to DIN51 524 Fluid temperature rangeºC-20 to +80 (preferably +40 to +50)Viscosity rangemm²/s20 to 380 (preferably 30 to 46)Hysteresis%≤6 Valve typeWRZWRZEType of protection of the valve to EN 60529IP65 with cable socket mounted and lockedVoltage typeDCCommand value overlap%15Max.currentA1.52.5Solenoid coil resisanceCold value at 20ºCΩ4.82Max.warm valueΩ7.23Duty%100Coil temperatureºC150

Ordering code

 

Product categories

 FAQ

Q1: What is your sample policy?

A: We can supply two free samples, but the customers have to pay the courier cost.

Q2: Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.

Q3: How to guarantee the high quality?
A: We have testing department to make sure quality of every product, appearance, flow and pressure test are good.

Q4: How about your delivery time?
A: Generally, it will take 7 to 20 days after receiving your payment. The specific delivery time depends on the items and the quantity of your order.

Q5: What is your terms of delivery?
A: EXW, FOB, CFR, CIF.

Q6: What is your terms of packing?
A: Generally, we pack our goods in brown cartons and plywood boxes.

Q7: What is your terms of payment?
A: 100% T/T in advance, or 30% T/T as deposit and 70% paid before delivery for bigger order with bigger value.

Q8: How do you make our besiness long-term and good relationship?
A: We keep good quality and competitive price to ensure our customers benefit. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.