Vickers | 4CG-10-DA-20-JA-J
4CG-10-DA-20-JA-J
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The 4CG-10-DA-20-JA-J belongs to the Check Valves series produced by Vickers and is used to lock hydraulic flow until a pilot signal commands release. This unit is a pilot operated check valve, which holds load pressure while permitting reverse flow when piloted. A cracking pressure of 2 bar (30 psi) determines the minimum upstream force required to start opening, preventing seepage in idle circuits. Its maximum operating pressure of 210 bar (3000 psi) allows use in high-pressure mobile and industrial systems. A nominal flow rating of 300 l/min (75 US gpm) defines the volume it can handle without exceeding design limits, and a nominal port size of 1-1/4 in aligns with common manifold passages. Pressure drop at rated flow is 3.4 bar (50 psi), indicating the energy loss engineers must account for when sizing pumps and lines.
The valve includes decompression capability, so trapped pressure can be bled off gradually to reduce hydraulic shock before full opening. Two gage ports are provided for monitoring pressure on either side of the poppet, and each port is threaded 7/16-20 UNF straight to suit standard diagnostic fittings. A subplate-mounted design allows quick installation on standardized bases without pipework alterations. Six mounting holes secure the body, and each hole has a diameter of 10.4 mm (0.41 in) to accommodate M10 or 3/8-in bolts for stable attachment under load.
Technical Specifications
Cracking Pressure
2 bar (30 psi)
Decompression
Yes
Gage Port Thread
7/16-20 UNF (straight)
Gage Ports
2
Max Operating Pressure
210 bar (3000 psi)
Mounting Hole Diameter
10.4 mm (0.41 in)
Mounting Holes
6
Mounting Type
Subplate Mounted
Nominal Flow Rating
300 l/min (75 USgpm)
Nominal Port Size
1-1/4 in
Pressure Drop At Rated Flow
3.4 bar (50 psi)
Valve Type
Pilot Operated Check Valve
1620 Old Apex Road
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