UL 193:11ED 2016-02
Current
The latest, up-to-date edition.
Hardcopy
English
26-02-2016
Foreword
Introduction
1 Scope
2 General
3 Glossary
4 Installation instructions and trim drawings
Assembly
5 General
6 Sizes
7 Working pressures
8 Positions
9 Bodies and covers
10 Valve mechanisms
11 Clapper stops
12 Clapper rings and seat rings
13 Nonmetallic materials
14 Clearances
15 Auxiliary checks
16 Retarding chambers
17 Valve gags
Performance
18 General
19 Metallic materials tests
20 Nonmetallic materials tests
21 Adhesion test for resilient seat material
22 Installation test assembly
23 Servicing test for valves without handhole openings
24 Positiveness of response and transmission test
25 Hydraulic friction loss test
26 Leakage test
27 Strength of body test
28 Operational tests
Manufacturing and production tests
29 General
Marking
30 General
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