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CODD

Check valve from Sun Hydraulics

Description

This valve is a spring biased closed, pilot-to-close check cartridge that has a 20:1 pilot ratio. The valve allows flow from port 1 to port 2 and blocks reverse flow. Pressure at the pilot (port 3) opposes pressure at port 1 at a ratio of 20:1.

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  • Pressure at the port 2 area directly opposes pilot pressure.
  • Reverse flow through the valve from port 2 to port 1 is not possible under any condition.
  • The valve is a poppet design that results in very low leakage of stored fluid from the accumulator.
  • With equal pressures at all ports the valve is closed.
  • Capacity is the equivalent of a .109 in. (2,8 mm) diameter orifice.
  • Cartridges configured with EPDM seals are for use in systems with phosphate ester fluids. Exposure to petroleum based fluids, greases and lubricants will damage the seals.
  • 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.

Technical Data

Note: Data may vary by configuration. See CONFIGURATION section.

Cavity T-11A
Series 1
Capacity .11 in.
Capacity (metric) 2,8 mm
Maximum Operating Pressure 5000 psi
Maximum Operating Pressure (metric) 350 bar
Maximum Valve Leakage at 110 SUS (24 cSt) 1 drops/min.
Maximum Valve Leakage at 110 SUS (24 cSt) (metric) 0,07 cc/min.
Valve Hex Size 7/8 in.
Valve Hex Size (metric) 22,2 mm
Valve Installation Torque 30 – 35 lbf ft
Valve Installation Torque (metric) 41 – 47 Nm
Seal kit – Cartridge Viton: 990011006

Configuration Options

Control

X Standard Pilot
L Manual Override

Cracking Pressure

D 50 psi (3,5 bar)
H 200 psi (14 bar)

Seal Material

N Buna-N
V Viton
E EPDM

Material/Coating

/AP Stainless Steel, Passivated
Cavity: T-11A
Nominal Capacity: 0,11 (2,8mm)
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Possible variants

CODDLDE, CODD-LDE, CODDLDN, CODD-LDN, CODDLDN/AP, CODD-LDN/AP, CODDLDV, CODD-LDV, CODDLDV/AP, CODD-LDV/AP, CODDLHE, CODD-LHE, CODDLHN, CODD-LHN, CODDLHN/AP, CODD-LHN/AP, CODDLHV, CODD-LHV, CODDLHV/AP, CODD-LHV/AP, CODDXDE, CODD-XDE, CODDXDN, CODD-XDN, CODDXDN/AP, CODD-XDN/AP, CODDXDV, CODD-XDV, CODDXDV/AP, CODD-XDV/AP, CODDXHE, CODD-XHE, CODDXHN, CODD-XHN, CODDXHN/AP, CODD-XHN/AP, CODDXHV, CODD-XHV, CODDXHV/AP, CODD-XHV/AP

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