E-COHA Hydraulic Pilot-to-close Check Valve
SYMBOLS:
DESCRIPTION
The E-COHA is a spring biased closed, pilot-to-close check cartridge that has a 3:1 pilot ratio.
OPERATION
The E-COHA allows flow from port 1 o port 2 and blocks reverse flow. Pressure at the pilot port opposes pressure at port 1 at a ratio of 1.8:1. This valve is most often used in regeneration circuits.
SPECIFICATIONS:
Max. Operating Pressure: 350 bar (5000 psi)
Flow: 320 lpm (80 gpm)
Maximum Valve Leakage at 110 SUS (24 cSt): 0.07 ml/min (1 drops/min)
Pilot Ratio: 1.8:1
Temperature: - 40°C ~ +120°C (with Standard Buna N seals)
Fluids: Mineral-based or synthetics with lubricating properties at viscosities of 7.4 to 420 cSt (50 to 2000 sus)
Cavity: SUN T-17A
Installation Torque: 200-215Nm
PERFORMANCE:
ORDER CODE:
AAK Hydraulic Valve is a top manufacturer for Hydraulic Pilot-to-Close 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!
