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SDV*-70 Compound Bidirectional Valve

SDV*-70 Compound Bidirectional Valve

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MOQ: 100 PCS

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  • 1.Built-in check valve: each working port can be equipped with a built-in check valve to prevent oil from flowing back
  • 2. Built-in relief valve: a pilot relief valve is installed in the oil inlet body to control the system pressure
  • 3. Additional valve: the two ends of the reversing body can be in different ports according to customer needs
  • 4. Add different pressure overload valve or make-up valve
  • 5. Valve body structure: chip structure, any combination within 1~7 lines
  • 6. Valve stem neutral function: A, O, Y
  • SDV-70
Hefei Changyuan Hydraulic Co., Ltd

Hefei Changyuan Hydraulic Co., Ltd



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Product Description

The SDV*-70 series multi-way valve has the advantages of compact structure, high working pressure, good performance, reliable work, and can realize the close and remote control of multiple actuators.

It is widely used in hydraulic systems of construction machinery and other machinery.


Outline Dimension

SDV*-70 series multi-way valve .png



(Mpa)Nominal pressure 31.5
(L/min) Nominal flow rate95
Spool stroke(mm)12+12
Weight(kg)8.9+7.3n(n Is the number of commutation bodies)


Hydraulic valves order code

SDV*-70 series multi-way valve .png


① Product code

② Design code

③ Pressure grade E:16MPa  F:20MPa  G:25MPa  H:31.5MPa

④ Nominal displacement(L/min)10 15 20 25L/min

⑤ Joining port L

⑥ Spool returning  T spring  W ball  U hydraulic control   SD Manual+Electric hydraulic control

⑦ Block No 1 spool function

⑧ A(A port with overload valve) a( A port with oil filing valve)

⑨ B: B port with overload valve  b:B port with oil filing valve  

⑩ Block No.1 spool function

⑪ With pressure outlet,Omit:Without pressure outlet

⑫ Solenoid valve controls voltage  24V  12V

⑬ New type front cover structure

⑭ Speed limit flow rate


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