6996 0223 96 Issue A
© Edwards Limited 2016. All rights reserved. Page 16
Edwards and the Edwards logo are trademarks of Edwards Limited.
Figure 06 - Flow diagram - EDC 150, EDC 300 Dry claw overpressure pumps
Over pressure Pump
Air comes in through air inlet filter and silencer. The air flows through the non-return valve which
prevents reverse flow of air to the inlet. The air is compressed in the element and exhausted at pressure
through the pressure port.
Ensure that the safety valve at the outlet is correctly installed and adjusted.
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