UL 429:7ED 2013-11-06
Current
The latest, up-to-date edition.
Electrically Operated Valves
Hardcopy
06-11-2013
Foreword
Introduction
1 Scope
2 General
3 Glossary
Construction
4 General
5 Assembly
6 Materials
7 Fluid connections
8 Seals and stuff boxes
9 Springs
10 Diaphragms
11 Operating mechanisms
12 Current-carrying parts
13 Enclosures
14 Field wiring connections
15 Internal wiring
16 Grounding
17 Bonding
18 Protection of users and service personnel
19 Transformers and coils
20 Switches
21 Spacings
22 Separation of circuits
Performance
23 General
24 Power input and output test
25 Temperature test
26 Operation test
27 Torque test
28 External leakage test
29 Seat leakage test
30 Endurance test
31 Vibration test
32 Hydrostatic strength test
33 Dielectric voltage-withstand test
34 Burnout test
35 Rain test
36 Hosedown test
37 Metallic coating thickness test
38 Salt spray test
39 Immersion-volume change test
40 Immersion-extraction test
Manufacturing and production tests
41 General
Electrical ratings
42 Details
Marking
43 Details
44 Cautionary markings
45 Visibility and permanence of markings
Supplement A - Marine use electrically operated shut-off
valves for flammable liquids
Introduction
SA1 Scope
SA2 Installation and operating instructions
Construction
SA3 General
SA4 Materials
SA5 Electrical connections
Performance
SA6 General
SA7 Vibration test
SA8 Shock test
SA9 Ignition protection test
SA10 Chemical resistance test
SA11 Fire test
SA12 Operation and temperature tests
Markings
SA13 Details
Appendix
A Standards for components
This revision of UL 429 dated March 19, 2021 includes the addition of Class 120 Insulation Systems and Smaller Conductor Sizes for Class 2 Devices; 14.1.3, 14.2.1, and Table 26.1
| DevelopmentNote |
NEW CHILD REV 2 2020 IS NOW ADDED New child REV 3 2021 is added.
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| DocumentType |
Standard
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| Pages |
0
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| ProductNote |
NEW CHILD REV 2 2020 IS NOW ADDED NEW CHILD REV 1 2018 IS NOW ADDED New child REV 3 2021 is added.
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| PublisherName |
Underwriters Laboratories
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| Status |
Current
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1.1 These requirements cover electrically operated general purpose and safety valves rated 600 volts or less and intended for the control of fluids, such as air, gases, oils, refrigerants, steam, water, and the like.
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| EN 62282-4-101:2014 | Fuel cell technologies - Part 4-101: Fuel cell power systems for propulsion other than road vehicles and auxiliary power units (APU) - Safety of electrically powered industrial trucks |
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