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Priority flow control valve from Sun Hydraulics

Description

Fixed-orifice, pressure-compensated flow controls with reverse-flow check provide precise flow regulation for meter-in or meter-out applications where there may be wide pressure fluctuations. An integral high-capacity check valve provides unrestricted flow from port 2 to port 1. The flow setting is specified by the user and is set at the factory.

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  • Customer must specify a flow rating. Factory set flow ratings are within +/- 10% of the requested setting.
  • The tuneable control option provides +/- 20% variation from the nominal factory pre-set flow. Turn the adjustment clockwise to increase.
  • 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.
  • The sharp-edged orifice design minimizes flow variations due to viscosity changes.
  • 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-18A
Series 4
Capacity 50 gpm
Capacity (metric) 200 L/min.
Maximum Operating Pressure 5000 psi
Maximum Operating Pressure (metric) 350 bar
Valve Hex Size 1 5/8 in.
Valve Hex Size (metric) 41,3 mm
Valve Installation Torque 350 – 375 lbf ft
Valve Installation Torque (metric) 474 – 508 Nm
Adjustment Screw Internal Hex Size 5/32 in.
Adjustment Screw Internal Hex Size (metric) 4 mm
Locknut Hex Size 9/16 in.
Locknut Hex Size (metric) 15 mm
Locknut Torque 80 – 90 lbf in.
Locknut Torque (metric) 9 – 10 Nm
Model Weight 2.01 lb.
Model Weight (metric) 0.91 kg.
Seal kit – Cartridge Viton: 990018006

Configuration Options

Control

L ★ Tuning Adjustment
X ★ Not Adjustable
K Handknob
C Tamper Resistant – Factory Set

Setting Range

A ★ Replaceable Orifice .2 – 50 gpm (1 – 200 L/min.)
B Permanent Orifice .2 – 50 gpm (1 – 200 L/min.)

Seal Material

N ★ Buna-N
V Viton

Material/Coating

/AP Stainless Steel, Passivated
Cavity: T-18A
Nominal Capacity: 50 gpm (200 lpm )
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Possible variants

FCFBCAN, FCFB-CAN, FCFBCAV, FCFB-CAV, FCFBCBN, FCFB-CBN, FCFBCBV, FCFB-CBV, FCFBKAN, FCFB-KAN, FCFBKAV, FCFB-KAV, FCFBKBN, FCFB-KBN, FCFBKBV, FCFB-KBV, FCFBLAN, FCFB-LAN, FCFBLAN/AP, FCFB-LAN/AP, FCFBLAV, FCFB-LAV, FCFBLAV/AP, FCFB-LAV/AP, FCFBLBN, FCFB-LBN, FCFBLBN/AP, FCFB-LBN/AP, FCFBLBV, FCFB-LBV, FCFBLBV/AP, FCFB-LBV/AP, FCFBXAN, FCFB-XAN, FCFBXAN/AP, FCFB-XAN/AP, FCFBXAV, FCFB-XAV, FCFBXAV/AP, FCFB-XAV/AP, FCFBXBN, FCFB-XBN, FCFBXBN/AP, FCFB-XBN/AP, FCFBXBV, FCFB-XBV, FCFBXBV/AP, FCFB-XBV/AP

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