Vickers | F3-4CT-06-A-20UB
F3 4CT 06 A 20UB
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The F3 4CT 06 A 20UB is part of the Check Valves series manufactured by Vickers for hydraulic automation, where it blocks reverse flow while permitting forward flow once line pressure reaches a defined threshold. The unit withstands a maximum operating pressure of 210 bar (3000 psi) and opens at a cracking pressure of 2 bar (30 psi). It delivers a nominal flow of 100 l/min (30 gpm) to support medium-capacity circuits. Overall length is 171.4 mm (6.75 in), body height is 74.7 mm (2.94 in), and wrench flats measure 50.8 mm (2.00 in) to suit standard assembly tools. The primary system port uses a 3/4 in NPTF thread, and the assembled housing weighs 5.7 kg (12.5 lb).
Two gauge ports are provided for pressure monitoring, each machined with a 7/16-20 UNF thread that accepts standard test fittings and keeps diagnostic tasks straightforward during commissioning. A dedicated pilot port with a 9/16-18 UNF-2B thread permits external actuation when the valve must be forced open or closed by a remote signal. Including three system ports in the casting allows flexible line routing without extra manifolds. All sealing elements are made from Viton, giving chemical resistance to common hydraulic oils and maintaining integrity under high-pressure service.
Technical Specifications
Approximate Weight
5.7 kg (12.5 lb)
Body Height
74.7 mm (2.94 in)
Cracking Pressure
2 bar (30 psi)
Gauge Port Thread
7/16-20 UNF
Gauge Ports
2
Max Operating Pressure
210 bar (3000 psi)
Nominal Flow Rating
100 l/min (30 gpm)
Overall Length
171.4 mm (6.75 in)
Pilot Port Thread
9/16-18 UNF-2B
Port Size (nptf)
3/4 in
Port Thread Type
NPTF
Seal Material
Viton
System Ports
3
Wrench Flats Size
50.8 mm (2.00 in)
1620 Old Apex Road
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