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E-CKBB Hydraulic Pilot-to-open check valve with standard pilot

Item No.: E-CKBB
This valve is a pilot to open check valve. It has a non-sealed pilot, a steel seat, and is non-vented. SUN CKBB equivalent.

E-CKBB Hydraulic Pilot-to-open Check Valve with Standard Pilot



The valve has a non-sealed pilot. Pressure atovercomers the spring-bias poppet and allows free flow to ; Flow in the opposite direction from to is blocked by the poppet.

The cartridge has a 3:1 pilot ratio, meaning that is required at pilot to open the valve. 



Max. Operating Pressure: 350 bar  

Flow: see performance chart

Internal Leakage: 1drops/min max. at 350bar

Pilot Ratio: 3:1

Temperature: - 30 to 100 °C (with Standard Buna N seals)

Filtration: 25μm or better

Cavity: SUN T-163A

Installation Torque: 27 – 34Nm






AAK Hydraulic Valve is a top manufacturer for Hydraulic Pilot Operated Check Valves in Ningbo China since 2009.
We guarantee quality for 3 years for non-standard customized valves: No leakage, No Noise, No Vibration.

Contact us to customize your valves and promote your business with our premium quality!

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