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ASSE 1030

Performance Requirements for Positive Pressure Reduction Devices for Sanitary Drainage Systems

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Organization: ASSE
Publication Date: 25 April 2016
Status: active
Page Count: 24
scope:

Description

See Figure 1 for a simple arrangement of components. The device consists of a variable volume reservoir contained within a ventilated rigid outer casing with an inlet connection by which the reservoir inflates when subjected to positive pressure. In its inactive state, the flexible reservoir is deflated. Expansion only occurs in response to an increase in line pressure at the entrance to the device. This expansion provides a variable volume reservoir for air. The device connects to the drainage network via an airtight seal to prevent the diversion of airflow from entering the reservoir. As a result, the reservoir becomes an integral part of the drainage network.

Document History

ASSE 1030
April 25, 2016
Performance Requirements for Positive Pressure Reduction Devices for Sanitary Drainage Systems
Description See Figure 1 for a simple arrangement of components. The device consists of a variable volume reservoir contained within a ventilated rigid outer casing with an inlet connection by which...
May 1, 2013
Performance Requirements for Positive Pressure Reduction Devices for Sanitary Drainage Systems
General Application Positive pressure reduction devices (herein referred to as "device") are to be used in building drainage waste and vent (DWV) systems. They are intended to reduce the impact of...
October 5, 2009
Performance Requirements for Positive Pressure Reduction Devices for Sanitary Drainage Systems
Description The device consists of a variable volume reservoir contained within a ventilated rigid outer casing with an inlet connection by which the reservoir inflates when subject to positive...

References

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