Standard No. UL429,Edition 7Th,Issue/Revised Date - 2013/11/6

SUMMARY OF REQUIREMENTS

FOR

Standard No. UL429,Edition 7th,Issue/Revised Date - 2013/11/6

Standard Title- Electrically Operated Valves

This document is derived from the following Standard Development Organization (SDO) bulletin(s) or other documentation publicly available to UL subscribers:

Standard Development Organization (SDO) / Document Type
(proposal, bulletin, etc) / Document Designation / Date
UL / Bulletin / UL 429, 7th Edition / November 6, 2013
Primary motivator for the Standards revision / Numerous revisions to the previous edition of the standard resulted in a new standard.
CCNs Impacted / IUVX, YIOZ, YSYI2

The following is a summary of the revised/new certification requirements.

Action is Not Required for current certified products and the new/revised certification requirements will be applied in evaluation of the new and revised products effective October 19, 2018.

Section Paragraph Clause / Summary of requirements / Action
1 / Valves in Hydraulic Power systems are now included.
Action required: None / New Requirement
1.7 / Fire Protection Valves shall be covered by UL 429A
Action required: None / New Requiement
2.4.1 / Specific Requirements for Automotive Valves are added
Action required: Tests required. / New Requirement
2.5 / Requirements for Marine Valves are added in Supplement SA.
Action required: Tests required. / New Requirement
3.3 / Specific requirements for Class 2 circuits are added.
Action required: None / Revised Requirement
5.2.8 / Removed the requirement for visual indicator to be visible from 5 feet.
Action required: Tests required. / Revised Requirement
6.3 / New requirements for Synthetic Rubber Materials
Action required: Test required. / New Requirement
6.4 / New Corrosion Protection Requirements
Action required: Test required. / New Requirement
6.5 / New requirements for Insulating Materials
Action required: Test required. / New Requirement
7.1 Exception / Allows other than NPT type threads
Action required: Additional Marking Required. / New Requirement
7.2 / Updated flange connection requirements
Action required: Review Construction. / Revised Requirement
7.4 / Added requirements for valves with tube fitting connections
Action required: Review Construction. / New Requirement
7.5 / Added requirements for solder joint connections
Action required: Review Construction. / New Requirement
7.6 / Added requirements for welding joints
Action required: Review Construction. / New Requirement
16.3 / Added clause to ensure ground continuity is addressed for polymeric enclosures with more than one conduit opening.
Action required: Review Construction. / New Requirement
19.3 / Requirements for Insulation systems rated higher than Class 105 (A) shall comply with UL 1446.
Action required: Review Construction. / New Requirement
29.2 Exception / General purpose air valves are no longer subject to the External Leakage Test
Action required: None / New Requirement
30.4 Exception / Seat Leakage Test can now be done with air instead of liquid
Action required: None / New Requirement
Table 30.1 / Added ASHRAE 1A refrigerants
Action required: None / New Requirement
34 / Removed External Leakage Tests and replaced with Hydrostatic Strength Tests
Action required: Test required. / New Requirement
37.2 / Allows for the use of a 50 Hz or DC source for conducting the Dielectric Voltage Withstand Test
Action required: None / Revised Requirement
Table 37.1 / Added new insulation temperatures for Class 200/220/240 Insulation systems
Action required: None / New Requirement
39.6 / Following the Burnout Test, samples are to be baked in the oven for four hours, and then within 2 minutes of removal, subjected to a Dielectric Voltage Withstand Test
Action required: Test required. / New Requirement
48 / Added Printed Wiring Board Abnormal Operation Test
Action required: Test required. / New Requirement
49 / Added Sight Glass Impact Test
Action required: Test required. / New Requirement
50 / Added Sight Glass Temperature Shock Test
Action required: Test required. / New Requirement
51 / Added Dimensional Stability Test
Action required: Test required. / New Requirement
52 / Added Coil Retainer Impact Test
Action required: Test required. / New Requirement
53 / Added Coil Retainer Mechanical Strength Test
Action required: Test required. / New Requirement
54 / Added Accelerated Hydrogen Pressure Aging Test
Action required: Test required. / New Requirement
55 / Added Clamped Insulating Joints in Lieu of Spacings Test
Action required: Test required. / New Requirement
56.2 / Addition of manufacturing and production test requirement for valves with solid-state components to permit jumpering out or bypassing grounded components for production line Dielectric Voltage Withstand Test
Action required: Test required. / New Requirement
58.7 / Added Marking requirement for refrigeration valves
Action required: Additional Marking Required. / New Requirement
58.16 / Added Marking requirement for valves with other than NPT pipe threads
Action required: Additional Marking Required. / New Requirement
SA4.4 / Addition of Hydrostatic Strength Test after Salt Spray Fog Test
Action required: Test required. / New Requirement