Vickers | 4CT06A20UB
4CT06A20UB
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The 4CT06A20UB check valve is manufactured by Vickers within the Check Valves series and is intended to allow forward flow while preventing reverse flow in hydraulic automation circuits. The valve is pipe-mounted, enabling direct placement in line piping. Its main port uses a G3/4 BSPP thread for compatibility with common pipe adapters, and a G1/4 BSPP pilot port lets installers add external pilot control when required. A 7/16-20 UNF-2B (SAE) gauge port is included for service-side pressure readings. The poppet opens at a cracking pressure of 2 bar (30 psi), so downstream components remain isolated until this threshold is reached.
The unit withstands operating pressures up to 210 bar (3000 psi) and handles nominal flows of 114 L/min (30 gpm) without excessive loss. Acceptable ambient temperatures span from −20 °C (−4 °F) to +70 °C (158 °F), suiting indoor or outdoor machinery. Physical dimensions are 3.750 in (95.250 mm) in length, 2.980 in (75.692 mm) in width, and 6.750 in (171.450 mm) in height, giving a compact block form for crowded installations. The valve body weighs 5.7 kg (12.5 lb), providing the mass needed for pressure integrity while remaining manageable for single-person handling during service.
Technical Specifications
Ambient Temp Max
+70°C (158°F)
Ambient Temp Min
-20°C (-4°F)
Cracking Pressure
2 bar (30 psi)
Gauge Port Thread
7/16-20 UNF-2B (SAE)
Height (in)
6.750 in
Height (mm)
171.450 mm
Length (in)
3.750 in
Length (mm)
95.250 mm
Mass
5.7 kg (12.5 lb)
Max Operating Pressure
210 bar (3000 psi)
Mounting Type
Pipe-Mounted
Nominal Flow Rate
114 L/min (30 gpm)
Pilot Port Thread
G1/4 (BSPP)
Port Thread (main)
G3/4 (BSPP)
Width (in)
2.980 in
Width (mm)
75.692 mm
1620 Old Apex Road
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