Solenoid operated, pressure reducing/relieving assembly
This sandwich valve assembly consists of an externally drained reducer/reliever on P with a normally-closed solenoid valve on the drain. This package is meant to provide a dual pressure function. This assembly is available in both normally open H option and normally closed C option. When the solenoid valve is open the reducer/reliever controls the pressure at P; closing the solenoid causes the pressure to increase to system pressure.
- 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.
- The DAAL-*** solenoid valve extends approximately 1.18 (normally open valve) and 1.48 inches (normally closed valve) farther out from the manifold than the existing Parker valve. The DAAL-*** solenoid coil is not available with a ½ in. NPTF electrical conduit interface, as was the Parker/Waterman coil. If a ½ in. NPTF conduit interface is required, a DAAL-*** valve coil with ISO/DIN 43650 connector can be converted to ½ in. NPTF conduit interface by using a series P560D connector from Canfield Connectors (see www.canfieldconnector.com for details).
|Interface||ISO 05ISO 05|
|Capacity||20 gpm80 L/min.|
|Body Features||On POn P|
|Stack Height||2.49 in.63 mm|
|Seal Plate Included (see notes)||YesYes|
There are exactly 250 Sun drops in a cubic inch or 15 in a cc.
Direct-acting valves are used to prevent over pressure, and pilot-operated valves are used to regulate pressure. If you are unsure, use a direct-acting valve. Sun's direct acting valves are very fast, dirt tolerant, stable, and robust. Sun's pilot-operated valves are moderately fast, they have a low pressure rise vs. flow curve, and they are easy to adjust.
- Stack height value in technical data table includes seal retainer plate.
- Please consider stack requirements when choosing a coil. Sun explosion proof coils are larger than other coils and may interfere with components above or below this manifold. A tap in manifold can be used to add additional clearance.
- 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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