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Priority flow control valve from Sun Hydraulics

Description

This valve is a fixed-orifice, non-pressure-compensated flow control with a reverse flow check. The flow setting is specified by the user and is set at the factory.

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  • Customer must specify the orifice diameter.
  • All 2-port flow control cartridges are physically and functionally interchangeable (i.e. same flow path, same cavity for a given frame size). However, cartridge extension dimensions from the mounting surface may vary.
  • These are essentially check valves with bypass orifices. The flow path matches Sun’s flow controls and can be used in any flow control manifolds. Valves with the opposite direction of flow can be found under check valves with bypass orifices.
  • Because these valves are non-compensating devices, the fixed orifice size will regulate flow through the valve in proportion to the square root of the pressure differential across ports 1 and 2.
  • The customer specified orifice diameter is stamped on one of the cartridge’s hex faces.
  • 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-5A
Series 2
Capacity 30 gpm
Capacity (metric) 120 L/min.
Maximum Operating Pressure 5000 psi
Maximum Operating Pressure (metric) 350 bar
Orifice Range .016 – .135 in.
Orifice Range (metric) 0,4 – 3,4 mm
Valve Hex Size 1 1/8 in.
Valve Hex Size (metric) 28,6 mm
Valve Installation Torque 45 – 50 lbf ft
Valve Installation Torque (metric) 61 – 68 Nm
Seal kit – Cartridge Viton: 990203006

Configuration Options

Control

X Not Adjustable

Setting Range

A 4 psi (0,3 bar) Cracking Pressure, .016 – .135 in. (0,4 – 3,4 mm)
B 15 psi (1 bar) Cracking Pressure, .016 – .135 in. (0,4 – 3,4 mm)
C 30 psi (2 bar) Cracking Pressure, .016 – .135 in. (0,4 – 3,4 mm)
D 50 psi (3,5 bar) Cracking Pressure, .016 – .135 in. (0,4 – 3,4 mm)
E 75 psi (5 bar) Cracking Pressure, .016 – .135 in. (0,4 – 3,4 mm)
F 100 psi (7 bar) Cracking Pressure, .016 – .135 in. (0,4 – 3,4 mm)
Z 1 psi (0,07 bar) Cracking Pressure, .016 – .135 in. (0,4 – 3,4 mm)

Seal Material

N Buna-N
V Viton

Material/Coating

/AP Stainless Steel, Passivated
Cavity: T-5A
Nominal Capacity: 30 gpm (120 lpm)
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Possible variants

CNECXAN, CNEC-XAN, CNECXAN/AP, CNEC-XAN/AP, CNECXAV, CNEC-XAV, CNECXAV/AP, CNEC-XAV/AP, CNECXBN, CNEC-XBN, CNECXBN/AP, CNEC-XBN/AP, CNECXBV, CNEC-XBV, CNECXBV/AP, CNEC-XBV/AP, CNECXCN, CNEC-XCN, CNECXCN/AP, CNEC-XCN/AP, CNECXCV/AP, CNEC-XCV/AP, CNECXDN, CNEC-XDN, CNECXDN/AP, CNEC-XDN/AP, CNECXDV, CNEC-XDV, CNECXDV/AP, CNEC-XDV/AP, CNECXEN, CNEC-XEN, CNECXEN/AP, CNEC-XEN/AP, CNECXEV, CNEC-XEV, CNECXEV/AP, CNEC-XEV/AP, CNECXFN, CNEC-XFN, CNECXFN/AP, CNEC-XFN/AP, CNECXFV, CNEC-XFV, CNECXFV/AP, CNEC-XFV/AP, CNECXZN, CNEC-XZN, CNECXZN/AP, CNEC-XZN/AP, CNECXZV, CNEC-XZV, CNECXZV/AP, CNEC-XZV/AP

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