Taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, vats or the like, incl. pressure-reducing valves and thermostatically controlled valves; parts thereof (HS 8481)
WaterMark Certification Scheme - WMTS-534:2021 Metallic pressure differential bypass valves used in heated water systems (25 page(s), in English)
This Technical Specification sets out the requirements for metallic pressure differential bypass valves used in heated water systems up to DN32. They are for continuous operating temperatures not exceeding 85°C and pressures not exceeding 1000 kPa. This specification shall be read in conjunction with AS 1357.2.
The Plumbing Code of Australia (PCA) requires that most products intended for use in plumbing and drainage installations in or around buildings to be evaluated and certified to WaterMark product specifications. WaterMark certification to an applicable product specification provides a process to evaluate and authorise products to enable their use in a plumbing and drainage installation. Thus ensuring that the plumbing and drainage products are fit for purpose for which they are intended.
This WaterMark Technical Specification (WMTS) was prepared in accordance with the Manual for the WaterMark Certification Scheme, Appendix 4, Protocol for Developing Product Specifications.
The objective of WaterMark Technical Specification is to enable product certification in accordance with the requirements of the Plumbing Code of Australia (PCA).