Vickers | 3CA50-15SV
3CA50-1.5SV
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The 3CA50-1.5SV check valve is produced by Vickers within the Check Valves series. It is a screw-in cartridge unit applied in hydraulic automation systems to allow free flow in one direction and block reverse flow. The valve is direct acting and uses two ports configured for cartridge only mounting, which simplifies cavity design in manifold blocks. A cracking pressure of 1.5 bar defines the point at which the poppet lifts to begin forward flow, while the design supports a continuous rated flow of 50 l/min for medium-capacity circuits. System working limits reach 350 bar, so the component suits high-pressure mobile or industrial installations. Viton seals are fitted to maintain compatibility with MIL-H-5606, SAE 10, or SAE 20 fluids and to resist elevated temperatures. To protect internal lands from wear, Vickers recommends maintaining fluid cleanliness at ISO 18/16/13 or cleaner.
Leakage across the poppet seat is limited to 0.2 cc/min, helping downstream loads remain stable during standby. The valve functions between -20 °C and +90 °C, so equipment can run in cold or warm climates. Overall length is 1.66 in and height over the hex is 1 in; these dimensions correspond to a volume of 1.66 in³ for compact cavity layouts. The assembly weighs 0.11 lb, so it can be threaded into the manifold by hand without strain. The low mass also reduces inertia in modular service kits, which is helpful when field technicians replace elements during scheduled maintenance on mobile machinery. The combination of low leakage, wide temperature range, and small size supports consistent performance in densely packed hydraulic blocks.
Technical Specifications
Cracking Pressure
1.5 bar
Fluid Compatibility
MIL-H-5606; SAE 10; SAE 20
Installation Type
Screw-In Cartridge
Leakage
0.2 cc/min
Operating Temperature
-20°C to +90°C
Operation
Direct Acting
Port Type
Cartridge Only
Pressure Rating
350 bar
Product Height
1 in
Product Length
1.66 in
Product Volume
1.66 in³
Product Weight
0.11 lb
Rated Flow
50 l/min
Recommended Filtration Level
18/16/13
Seal Type
Viton
Valve Ports
2
1620 Old Apex Road
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