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NABIC 500 available next day from Flowstar


At Flowstar we have over 2,000 NABIC valves in stock and available for immediate despatch!

The NABIC 500 High Lift Safety Valve, shown here, is designed primarily for use on unvented hot water heating systems, where a high capacity, emergency steam relief capability is required.



✅ WRAS approved
✅ High discharge capacity
✅ Max set pressure 12.5 Barg
✅ Screwed BSP female connections
✅ Available in sizes 1/2" x 3/4" up to 2.1/2" x 3"

All valves are tested to confirm the set pressure before leaving our warehouse, and all valves are supplied pre-set with a tamperproof seal.

We have the complete range of NABIC valves in stock including the 500, 500T, 520, 542 and 568 series.

Benefit from same day despatch and next day delivery when ordering stock valves from Flowstar.

For any NABIC or general valve enquiries, contact our sales team via phone on +44 (0)1482 601030, or email Alternatively, you can contact us using the convenient online chat feature on our website


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  • Richard Moss