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icbbg ljn counterbalance valve
icbbg ljn counterbalance valve
counterweight valve

ICBBG-LJN Counterbalance Valve

A screw-in, cartridge-style, three-port, poppet-type, counterbalance valve controls the oil flow back to the internal spring chamber.

Products

Specifications of ICBBG-LJN Counterbalance Valve

Operating PressureLoading pressure max. 270 bar when setting pressure at
350bar
FlowSee Performance Chart
Internal LeakageMax. 0.4 ml/min. at Reseat
Reseat pressure > 85% of setting pressure
Factory pressure settings established at flow of 32.8 ml/min
Pilot Ratio4.5:1, max. setting should be equal to 1.3 times the load pressure
Temperature-40 to 120°C
FluidsMineral-based or synthetics with lubricating properties at viscosities of
7.4 to 420 cSt (50 to 2000 ssu)
InstallationNo restrictions
CavityIT-11A; See page 309


Materials

CartridgeWeight: 0.2 kg. (0.44 lbs.); Steel with hardened work surfaces.
Zinc-plated exposed surfaces.
Seal: O-rings and back-up rings.


Features of ICBBG-LJN Counterbalance Valve

1. Max. setting pressure is at least 1.3 times max. load-induced pressure.
2. Backpressure at port 2 should be in the setting range.
3. Reseat pressure exceeds 85% of set pressure.


Operation Symbol of ICBBG-LJN Counterbalance Valve

Operation Symbol of ICBBG-LJN Counterbalance Valve

One-way Function


The ICBBG-LJN allows the flow from ② to ①, and blocks flow from ① to ② when the pressure of ① is lower than the check spring setting.


Relief Valve Function


The cartridge relieves flow from ① to ② when the pressure of ① exceeds the check spring setting.


Pilot-assisted Restriction Function


When there is pilot-assisted pressure at port ③, it could change the opening degree from ① to ② to achieve the restriction function.

Performance/Dimension/Sectional Drawing of ICBBG-LJN Counterbalance Valve

Sectional Drawing
Performance/Dimension/Sectional Drawing of ICBBG-LJN Counterbalance Valve
PERFORMANCE (cartridge only)
Performance/Dimension/Sectional Drawing of ICBBG-LJN Counterbalance Valve
DIMENSION (inch/mm)
Performance/Dimension/Sectional Drawing of ICBBG-LJN Counterbalance Valve
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0086-553-8812880 salesinno@innohydra.com
No. 03, 03rd Kechuang Road, Xinwu Economic Development Zone, Wanzhi District, Wuhu City, Anhui Province, China
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Contact
0086-553-8812880 salesinno@innohydra.com
No. 03, 03rd Kechuang Road, Xinwu Economic Development Zone, Wanzhi District, Wuhu City, Anhui Province, China
Follow Us