Jiangsu Huafilter Hydraulic Industry Co., Ltd.
Jiangsu Huafilter Hydraulic Industry Co., Ltd.
Products
Proportional Pressure Reducing Valve 3DREP 6C
  • Proportional Pressure Reducing Valve 3DREP 6CProportional Pressure Reducing Valve 3DREP 6C
  • Proportional Pressure Reducing Valve 3DREP 6CProportional Pressure Reducing Valve 3DREP 6C
  • Proportional Pressure Reducing Valve 3DREP 6CProportional Pressure Reducing Valve 3DREP 6C

Proportional Pressure Reducing Valve 3DREP 6C

Huafilter specializes in supplying Huade brand hydraulic proportional pressure reducing valve 3DREP 6C. Huade Hydraulic three-way proportional pressure reducing valve 3DREP 6C is a hydraulic component with superior performance and wide application. It is suitable for various hydraulic systems that require stable pressure and flow control. As a approved distributor of Huade Hydraulic, we aims to provide our goal is to provide customers with high-quality and low-cost hydraulic proportional pressure reducing valves.

The three-way proportional pressure reducing valve 3DREP 6C has the advantages of fast response speed, high control accuracy and good stability. At the same time, it has a compact structure and is easy to install and maintain. During use, the pressure reducing valve should be regularly inspected and maintained to ensure its normal operation and extend its service life.

Product parameter of Proportional Pressure Reducing Valve 3DREP 6C

Hydraulic
Operating pressure (MPa) Port P 10,if excess 10,then installate the valve,type ZDR6DP..-30B/...in input port
Port T 3
Max.flow (L/min) 15(∆p=5MPa)
Degree of contamination (um) Filter recommendation with a minimum retention rate of β10≥ 75
Hysteresis (%) ≤3
Repeatability accuracy (%) ≤1
Response sensitivity (%) ≤1
Reversal span (%) ≤1
Pressure fluid Mineral oil(for NBR seal),Phosphate ester (for FPM seal)
Viscosity range (mm2/s) 2.8 to 380
Pressure fluid temperature range (°C) -20 to +70
Installation optional, preferably horizontal
Weight (kg) Type C:2.6;type A.B:1.5

Electrical, solenoid
Supply voltage DC24V
Nominal current per solenoid (A) 0.8
Max.current per solenoid (A) ≤0.02
Solenoid coil resistance (Ω) Cold value at 20°C 19.5
Max. warm value 28.8
Working state continuous
Condition temperature (°C) ~+50
Coil temperature (°C) ~+150
Protection to DIN40 050 IP65
Electrical connections 3DREP with component plug to DIN43650-AM2 plug-in connector to DIN 43 650-AF2/Pg11
3DREPE with component plug to E DIN43563-AM6-3 plug-in connector E DIN43563-BF6-3/Pg11

Product Feature And Application of Proportional Pressure Reducing Valve 3DREP 6C

Features:

▶Directly controlled proportional valves for the control of the pressure and direction of a flow

▶Actuated via proportional solenoids with central thread and removable coil

▶Spring centred control spool

Application:

Three-way proportional pressure reducing valves 3DREP 6C are widely used in fire water supply, automatic sprinkler fire extinguishing systems and various hydraulic equipment, hydraulic systems and hydraulic machinery.

Function and Valve Particularities of Proportional Pressure Reducing Valve 3DREP 6C

Design:

The valve mainly comprises of:


  • Housing (3) with mounting surface
  • Control spool (5) and(6) and (4)
  • Solenoids(1 and 2 ) with control thread


Function:

With the solenoids (1 and 2) de-energised the control spool (5) is held in its centre position by compression springs.

The control spool (2) is directly actuated when one of the solenoids is energised.

E.g.  by energising solenoid "a" (1)

→The pressure measuring spool (5) and control spool(4) move to the right in proportion to the electrical input signal.

→The connection from P to B and A to T is via orifice form cross-sections with progressive flow characteristics

De-energisation of the solenoid (1)

→The control spool (4) is returned to its centre position by the compression springs

In the middle position the connections A and B to T are open, therefore, the pressure fluid can freely flow to tank. An optional hand overrides makes is possible to move the control spool (4) without energising the solenoid.

Attention!

Unintended use of the hand override can cause uncontrolled machine movement!

Structure of Proportional Pressure Reducing Valve 3DREP 6C

Symbols of Proportional Pressure Reducing Valve 3DREP 6C




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