DIN 1997-2:1984-05
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
SHUT-OFF VALVES FOR SITE DRAINAGE SYSTEMS - BACKFLOW GATES FOR NON-FAECAL SEWAGE - TESTING
Hardcopy , PDF
02-01-2004
English
01-12-2013
1 Field of application
2 Concepts
3 Test documents and test pieces
4 Testing
4.1 Approval testing
4.1.1 Alternative temperature test
4.1.2 Testing using test sewage
4.1.2.1 Test set-up
4.1.2.2 Test sewage
4.1.2.3 Test pressure
4.1.2.4 Test procedure
4.1.2.4.1 Leak tightness of operational gate
4.1.2.4.2 Leak tightness of emergency gate
4.2 Functional testing
4.2.1 Test medium
4.2.2 Test pressure
4.2.3 Test procedure
5 Inspection
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