XRELLANHM/S812 - Solenoid operated cross port relief assembly
Part Number: XRELLANHM/S812
Manufacturer: Sun Hydraulics
This valve assembly provides 2 functions. It provides cross-port relief protection between ports 1 and 2. The solenoid valve vents both relief valves, dropping the pressure to a minimal level. This assembly is available in both normally open and normally closed options. The normally open H option means the pressure is at a low level until the solenoid is energized. The normally closed C option means the pressure is at a high level until the solenoid is energized.
- The two ports marked 1 are common as are the two marked 2. The high pressure relief that is physically on the same side as port 1 controls the pressure on port 2 and vice versa.
- This assembly is well suited to loading and unloading a pump.
- The nature of a vented relief is that it brings the pressure up in a smooth manner. Unloading is abrupt.
Capacity | 30 gpm120 L/min. |
Body Type | Line mountLine mount |
Mounting Hole Diameter | .42 in.10,7 mm |
Mounting Hole Depth | ThroughThrough |
Mounting Hole Quantity | 22 |
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Additional Resources
- Integrated Packages: Solutions That Grow Your Reputation
- Manufacturing Sun Cartridge Cavities
- Custom Integrated Packages from Sun
- Fluid and Temperature Recommendations
- Sun's Floating Style Screw-In Cartridge
- Sun Model Code Explanation; 999-901-334
Notes:
- Important: Carefully consider the maximum system pressure. The pressure rating of the manifold is dependent on the manifold material, with the port type/size a secondary consideration. Manifolds constructed of aluminum are not rated for pressures higher than 3000 psi (210 bar), regardless of the port type/size specified.
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