Overview: The document provides technical specifications and operational details for the 3CP2 Series Check
Valve, a manually operated ball-type valve designed by Integrated Hydraulics Ltd and Integrated Hydraulics Inc. It is used to permit a small regulated flow when the hand knob is depressed, typically in applications like lowering a boom in case of power failure.
Specifications:- Operating Temperature: -20°C to +90°C
- Nominal Viscosity Range: 5 to 500 cSt
- Max Pressure: 210 bar (3000 psi)
- Max Flow: 5.5 L/min (0.9 mm orifice), 15 L/min (1.5 mm orifice)
- Leakage: 0.3 millilitres/min nominal
- Recommended Filtration Level: BS5540/4 Class 18/13 (25 micron nominal)
- Cartridge Material: All steel construction, electroless zinc plated
- Body Material: Standard aluminium, steel option available
Features:- Cartridge design with machined seats and precision ground balls for excellent flow reseat characteristics.
- Flow from port 2 to 1 should be avoided unless consulted with the technical department.
Ordering Information:- Basic Code: 3CP2 for Cartridge Only, 3CP25 for Cartridge and Body
- Seal Options: Nitrile (S) for most industrial hydraulic oils, Viton (SV) for high temperature and special fluid applications
- Orifice Sizes: 0.9 mm and 1.5 mm
- Port Sizes for Bodied Valves: 1/4’’ BSP, 3/8’’ BSP, 3/8’’ SAE
Additional Notes: The document includes a diagram with dimensions and an ordering code example. It also mentions that specifications are subject to change without notice and certified drawings should be requested where measurements are critical.
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