CVC-SDEA
The Covers CVC*SDEAA and CVC*SDEAB are designed to hold Polyhydron make 2 port slip-in cartridge valves model CV*** in the cavities machined as per ISO 7368, with built in facility to control the operation of the cartridge valve.
Product Description
Refering to the circuits shown below, the built-in Shuttle valve in the cover selects higher of the pilot pressures brought to the cover at its ports X and from either A (in case of cover model CVC*SDEAA) or B (in case of cover model CVC*SDEAB) to the control port C of the cartridge valve.
Thus, these configurations are very convenient in cartridge circuits when one wishes to use a Cartridge valve as a solenoid controlled leakage-free gate ( leakage-free in the direction of the cartridge from port B to port A) . This can be achieved by connecting control port X to port B of the cartridge in manifold.
If done so , by using the cover model CVC*SDEAA , with solenoid in de-energized condition, one can achieve a function of free flow with check from its port A to port B . By energizing the solenoid , the passage in the cartridge (from port A to B or B to A) can be blocked.
By using the cover model CVC*SDEAB, with solenoid de-energizes condition, one can block the passage in the cartridge (from port A to B or B to A). By energizing the solenoid , free flow with check from its port A to port B can be achieved.
