XRELLANHE/S812 - Solenoid operated cross port relief assembly

Part Number: XRELLANHE/S812

Manufacturer: Sun Hydraulics

DESCRIPTION:

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.

Capacity30 gpm120 L/min.
Body TypeLine mountLine mount
Mounting Hole Diameter.42 in.10,7 mm
Mounting Hole DepthThroughThrough
Mounting Hole Quantity22

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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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