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Sun Hydraulics Sun Hydraulics (View All Products)

Sun Hydraulics Check Valve with Sealed Pilot - Pilot-to-open - CKBBXCN

  • Sun Hydraulics
  • BW#: 03355209
  • Mfr#: CKBBXCN
  • UNSPSC#: 40141608
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Sun Hydraulics Check Valve with Sealed Pilot - Pilot-to-open - CKBBXCN
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Features
 • This valve is a pilot to open check valve
 • It has a non-sealed pilot, a steel seat, and is non-vented
 • It allows free flow from the valve (port 2) to the load (port 1) and blocks flow in the opposite direction
 • Pressure at the pilot (port 3) will open the valve from port 1 to port 2
 • Pilot pressure needed at port 3 to open the valve is directly proportional to the load pressure at port 1
 • Pressure at port 2 directly opposes pilot pressure
 • Provides hose break protection, prevents loads from drifting and positively locks pressurized loads
 • Standard unsealed pilot allows air trapped in the pilot line to be purged from the circuit
 • Extremely low leakage
 • The seat and poppet are heat treated for long life
 • If the load drifts due to the valve, the seat has probably been damaged by contamination and the valve should be replaced
 • Note: Available only with 30 psi or 75 psi (2 bar or 5 bar) check valve cracking pressures
 • Pilot-to-open check cartridges are locking valves, not motion control valves
 • For motion control applications, use counterbalance valves
 • For models with manual load release control option, turn load release clockwise to release load
 • Incorporates the Sun floating style construction to minimize the possibility of internal parts binding due to excessive installation torque and/or cavity/cartridge machining variations

Specifications

 • Cavity : T-13A
 • Series : 1
 • Capacity : 6 gpm
 • Maximum Operating Pressure : 5000 psi
 • Maximum Valve Leakage at 110 SUS (24 cSt) : 10 drops/min.@5000 psi
 • Manual Override Force Requirement : 5 lbs/1000 psi @ Port 1
 • Manual Override Stroke : .10 in.
 • Response Time - Typical : 50 ms
 • Switching Frequency : 15,000 max. cycles/hr
 • Solenoid Tube Diameter : .75 in.
 • Valve Hex Size : 7/8 in.
 • Valve Installation Torque : 30 - 35 lbf ft
 • Model Weight : 0.65 lb.
 • Seal kit - Cartridge : 990413007
 • Seal kit - Cartridge : 990413002
 • Seal kit - Cartridge : 990413006
 • Seal and nut kit - Coil : 990770006

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