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FQCA

Description

Flow fuse cartridges are used to maintain the position of a hydraulic actuator in the event of a hose or line break. The valve allows flow to and from the actuator but closes instantly if flow from the actuator exceeds the setting of the valve. NOTE: Because the valve responds so rapidly, it is sensitive to any transient flow above the valve setting.

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  • Customer must specify a flow rating. Factory set flow ratings are within +/- 10% of the requested setting.
  • Valve closes when flow from port 1 to port 2 exceeds the setting of the valve. Valve resets when pressures at port 1 and port 2 are equal.
  • Flow setting should be at least 25% above maximum normal system flow. Customer must specify flow when ordering valve.
  • These are spool type valves, therefore there is leakage. Some actuator drift may occur.
  • 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-13A
Series 1
Capacity 6 gpm
Capacity (metric) 23 L/min.
Maximum Operating Pressure 5000 psi
Maximum Operating Pressure (metric) 350 bar
Maximum Valve Leakage at 110 SUS (24 cSt) 2 in³/min.@1000 psi
Maximum Valve Leakage at 110 SUS (24 cSt) (metric) 30 cc/min.@70 bar
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
Model Weight 0.23 lb.
Model Weight (metric) 0.10 kg.
Seal kit – Cartridge Viton: 990010006

Configuration Options

Control

X Not Adjustable

Setting Range

A Replaceable Orifice .5 – 6 gpm (2 – 23 L/min.)
B Permanent Orifice .5 – 6 gpm (2 – 23 L/min.)

Seal Material

N Buna-N
V Viton

Material/Coating

/AP Stainless Steel, Passivated
/LH Mild Steel, Zinc-Nickel
Cavity: T-13A
Nominal Capacity: 0,5-6 gpm (2-23 lpm)
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Possible variants

FQCAXAN, FQCA-XAN, FQCAXAN/AP, FQCA-XAN/AP, FQCAXAN/LH, FQCA-XAN/LH, FQCAXAV, FQCA-XAV, FQCAXAV/AP, FQCA-XAV/AP, FQCAXAV/LH, FQCA-XAV/LH, FQCAXBN, FQCA-XBN, FQCAXBN/AP, FQCA-XBN/AP, FQCAXBN/LH, FQCA-XBN/LH, FQCAXBV, FQCA-XBV, FQCAXBV/AP, FQCA-XBV/AP, FQCAXBV/LH, FQCA-XBV/LH