Product Guides
Pressure Relief Valve Guide: Types, AU Standard & Testing
How a pressure relief valve works, spring-loaded vs pilot-operated types, the Australian standard (AS 1271 and AS 1210), set pressure and accumulation limits, testing frequency, and signs a valve may be faulty.
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O-Rings: Sizes, Materials (NBR, Viton, EPDM) & Selection Guide
The table below lists common metric o-ring sizes by cross-section series. Dimensions are ID × CS in millimetres.
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