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Ningbo Jiangbei Yuzhou Hydraulic Equipment Factory

Slewing Cushion Valve, Steering Cushion Valve, Mobile Crane Rotary Cushion Valve manufacturer / supplier in China, offering Mobile Crane Steering Cushion Valve (Hc-80) , Slewing Cushion Valve, Low Speed High Torque Hydraulic Motor for Sai Gm Series Hydraulic Motor of Gm2, Gm3, Gm4, Gm5, Gm6, Electro Hydraulic Proportional Valve, Loading Sensitive Flow Sharing Control Valve, 100L Flow Control Valve, and so on.

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Supplier Homepage Product Others Mobile Crane Steering Cushion Valve (Hc-80) , Slewing Cushion Valve

Mobile Crane Steering Cushion Valve (Hc-80) , Slewing Cushion Valve

FOB Price: US $300 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $300/ Piece
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Production Capacity: 1000/Month
Transport Package: Carton Box, Wooden Case, Pallet
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: HC-80
  • Type: Hydraulic Control Unit
  • Specification: CE, SGS, ISO9001
  • HS Code: 8481804090
  • Drive: Hydraulic
  • Trademark: YUZHOU & OEM
  • Origin: China
Product Description
Rotary cushion valve
This rotary valve is the first products designed by YUZHOU hydraulic in 1995,It's have combined Rexroth and UCHIDA technology.and Yuzhou have Innovation on that technology,the function is stable.
It's the most popular cushion valve on mobile crane.

This series of rotary cushion valves can be widely applied to the rotary mechanism of hydraulic engineering machinery (open-type system). It is a kind of high-performance multi-function combination valve. Its quality has been strictly tested by China National Construction Machinery Quality Supervision Testing Center according to JB/T4030.1-1985 and met the reliable requirement GZJRZ No. 020. 

Functions and features
1. During the fast start and stop, acceleration and deceleration and rotation process, it can automatically reduce cargo vibration and the shaking of arm rest, cut down the dynamic shock pressure and ensure that cargo and wire rope keep vertical and that the arm rest can synchronously rotate in a precise and steady way.
2. Apart from automatic protection against shock and impact, it has normal overload automatic protection function and also hydraulic braking function at neutral position.
3. Its inside is installed with a bi-directional check valve. When the operating valve suddenly resets or the rotary oil motor produces negative moment, A (or B) cavity of the valve recharges oil from T cavity (return oil cylinder cavity) automatically to prevent system suction.
4. The operating valve spool is designed with an inside check valve to release the shock of external load on pump.
5. In addition to normal rotary operation, the solenoid valve can be actuated to realize free rotation at low pressure.
6. It has a more compact structure, smaller volume and stronger generality.

Basic parameters
1. Rated flow QH=40~120L/min;
2. Rated working pressure: pH=25MPa(250Bar);
3. Rated pressure of adjustable back pressure valve Pb=0.7~4.7MPa;
4. Voltage of solenoid valve: DC 24V;
5. Hydraulic control pressure: Px=0.6~2.2MPa
(or operation by mechanical mode)

HC80 rotary cushion valve dimensions

HC80 rotary cushion valve symbols

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