Description

This recognition notice shows which building products Ministry of Business, Innovation and Employment (MBIE) recognises under the Approved Products Certified Overseas pathway.

Product type: 

Non-return reflux valves: Metal-bodied flanged non-return valves (swing check and tilting disc types) for use in water supply and pressure sewerage systems (swing check only) suitable for operation in both horizontal and vertical positions. Includes Class 16 and 35 valves in the size range DN 80 to 750, inclusive, with the maximum temperature of the medium flowing through the valve not exceeding 60°C.

Products include:

• Non-return, free-acting valve;
• Non-return valve with extended hinge pin suitable for position indication, micro-switches, counterweight lever arm and counterweight;
• Non-return valve fitted with position indicator and/or counterweight lever arm and counterweight;
• Counterweight lever and counterweight for retrofit to valve with extended hinge pins;
• Non-return valve with resilient seated disc.

Scope

Specification: AS 4794:2001 Non-return valves for waterworks purposes – Swing check and tilting disc

AS/NZS 3500 series: N/A