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Safety Relief Valves
Our range of safety relief valves offers dependable overpressure protection for steam, air, water, and process systems across industrial, commercial, and domestic settings. Designed to open rapidly, these valves combine the fast response of safety valves with the controlled discharge of relief valves—ensuring optimal protection.
Featuring leading brands like NABIC, Bailey, Altecnic, Caleffi and CoiTech, our safety relief valves deliver peace of mind where pressure control is critical. Need help selecting the right valve for your system? Our technical team is ready to assist.
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Altecnic / Caleffi Pressure Relief Valve - F0000243 - with Circlip Connection - 4.5 Bar
Altecnic/CaleffiOriginal price £40.28 - Original price £40.28Original price£40.28£40.28 - £40.28Current price £40.2812 in stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. Altecnic / Caleffi Safety Relief Valves ...
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Altecnic / Caleffi 253 Solar Series 253043 Pressure Safety Relief Valve 1/2" x 3/4" F x F 3 Bar
Altecnic/CaleffiOriginal price £21.16 - Original price £21.16Original price£21.16£21.16 - £21.16Current price £21.1617 in stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. The Altecnic series 253 safety relief va...
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Altecnic / Caleffi 314 Series Pressure Relief Valve with Gauge Port 1/2" M x 15mm 3 Bar - A314437CST
Altecnic/CaleffiOriginal price £12.65 - Original price £12.65Original price£12.65£12.65 - £12.65Current price £12.658 in stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. The safety relief valve 314 series is us...
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NABIC 542 Safety Relief Valve
NABICOriginal price £124.85 - Original price £895.87Original price £124.85£148.98 - £1,332.42£148.98 - £1,332.42Current price £148.9883 in stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. The NABIC 542 Safety Valve is an extreme...
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Altecnic / Caleffi Pressure Relief Valve Loose Nut Connection 4.5 Bar - F0000242
Altecnic/CaleffiOriginal price £40.28 - Original price £40.28Original price£40.28£40.28 - £40.28Current price £40.284 in stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. Altecnic / Caleffi safety relief valves ...
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Altecnic / Caleffi Pressure Relief Valve 3/4" Loose Nut Connection x 1/2" F 6 Bar - A311501CST
Altecnic/CaleffiOriginal price £23.63 - Original price £23.63Original price£23.63£23.63 - £23.63Current price £23.635 in stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. These valves play a vital role in keepin...
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Altecnic / Caleffi 314 Series Safety Pressure Relief Valve with Gauge 1/2" x 1/2" M x F 3 Bar - 314430
Altecnic/CaleffiOriginal price £18.13 - Original price £18.13Original price£18.13£18.13 - £18.13Current price £18.1314 in stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. The Altecnic / Caleffi standard safety r...
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Altecnic / Caleffi 311 Series Safety Relief Valve 3/4" x 3/4" F x F 3 Bar - 311530
Altecnic/CaleffiOriginal price £13.35 - Original price £13.35Original price£13.35£13.35 - £13.35Current price £13.3514 in stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. The Altecnic / Caleffi series 311 and 31...
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Altecnic / Caleffi 311 Series Safety Relief Valve 3/4" x 3/4" F x F 6 Bar - 311560
Altecnic/CaleffiOriginal price £13.37 - Original price £13.37Original price£13.37£13.37 - £13.37Current price £13.378 in stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. The Altecnic / Caleffi series 311 and 31...
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Altecnic / Caleffi Pressure Relief Valve 1/2" Pushfit O-Ring x F 6 Bar - 312007CST
Altecnic/CaleffiOriginal price £12.92 - Original price £12.92Original price£12.92£12.92 - £12.92Current price £12.928 in stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. Altecnic / Caleffi safety relief valves ...
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Altecnic / Caleffi 527 Series Safety Relief Valve 3/4" x 1" F x F 6 Bar - 527560EST
Altecnic/CaleffiOriginal price £76.14 - Original price £76.14Original price£76.14£76.14 - £76.14Current price £76.14Only 1 left!Description This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. The Altecnic / Caleffi series 527 safety...
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Altecnic / Caleffi 309 Series Pressure & Temperature Relief Valve 1/2" 90°C 7 Bar - 309473CST
Altecnic/CaleffiOriginal price £28.54 - Original price £28.54Original price£28.54£28.54 - £28.54Current price £28.547 in stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. The Altecnic / Caleffi Series 309 Temper...
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Altecnic / Caleffi 312 Series Safety Relief Valve 1/2" x 1/2" M x F 2.5 Bar - 312425
Altecnic/CaleffiOriginal price £9.23 - Original price £9.23Original price£9.23£9.23 - £9.23Current price £9.2310 in stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. The Altecnic / Caleffi series 311 and 31...
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Altecnic / Caleffi 311 Series Safety Relief Valve 3/4" x 3/4" F x F 5 Bar - 311550
Altecnic/CaleffiOriginal price £13.37 - Original price £13.37Original price£13.37£13.37 - £13.37Current price £13.37Out of stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. The Altecnic / Caleffi series 311 and 31...
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Coi Tech SLKL-H Open Discharge Safety Relief Valve
Coi TechnologyOriginal price £33.75 - Original price £297.00Original price£33.75 - £297.00£33.75 - £297.00Current price £33.7551 in stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. The Coi Tech SLKL-H-Series is a direct-l...
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Altecnic / Caleffi 311 Series Safety Relief Valve 1/2" x 1/2" F x F 8 Bar - 311480
Altecnic/CaleffiOriginal price £9.50 - Original price £9.50Original price£9.50£9.50 - £9.50Current price £9.505 in stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. The Altecnic / Caleffi series 311 and 31...
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Altecnic / Caleffi 309 Series - 309570CST - Pressure & Temperature Relief Valve 3/4" 90°C 7 Bar
Altecnic/CaleffiOriginal price £32.83 - Original price £32.83Original price£32.83£32.83 - £32.83Current price £32.83Out of stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. The Altecnic / Caleffi series 309 temper...
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Altecnic / Caleffi 309 Series - 309400CST - Pressure & Temperature Relief Valve 1/2" 90°C 10 Bar
Altecnic/CaleffiOriginal price £27.82 - Original price £27.82Original price£27.82£27.82 - £27.82Current price £27.82Only 3 left!Description This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. The Altecnic / Caleffi series 309 temper...
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Altecnic / Caleffi Pressure Relief Valve with Circlip Connection Stainless Steel Seating 15mm 6 Bar - F0000419
Altecnic/CaleffiOriginal price £40.28 - Original price £40.28Original price£40.28£40.28 - £40.28Current price £40.289 in stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. Altecnic / Caleffi safety relief valves ...
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Altecnic / Caleffi 313 Series Pressure Relief Valve With Gauge 3/4" x 3/4" F x F 6 Bar - 313560
Altecnic/CaleffiOriginal price £23.40 - Original price £23.40Original price£23.40£23.40 - £23.40Current price £23.4010 in stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. The Altecnic / Caleffi series 313 safety...
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Altecnic / Caleffi 309 Series Pressure & Temperature Relief Valve 3/4" 90°C 10 Bar - 309500CST
Altecnic/CaleffiOriginal price £29.00 - Original price £29.00Original price£29.00£29.00 - £29.00Current price £29.004 in stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. The Altecnic / Caleffi series 309 temper...
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Altecnic / Caleffi Pressure Relief Valve 3/4" Loose Nut Connection x 1/2" F 6 Bar - F0000992
Altecnic/CaleffiOriginal price £40.28 - Original price £40.28Original price£40.28£40.28 - £40.28Current price £40.288 in stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. Engineered for domestic hot water and he...
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Altecnic / Caleffi 312 Series Safety Pressure Relief Valve 1/2" M x 15mm 4 Bar - 312405CST
Altecnic/CaleffiOriginal price £13.19 - Original price £13.19Original price£13.19£13.19 - £13.19Current price £13.196 in stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. The Altecnic / Caleffi series 311 and 31...
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Altecnic / Caleffi 313 Series - 313530 - Pressure Relief Valve With Gauge 3/4" x 3/4" F x F 3 Bar
Altecnic/CaleffiOriginal price £23.40 - Original price £23.40Original price£23.40£23.40 - £23.40Current price £23.4010 in stockDescription This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. The Altecnic / Caleffi Series 313 Safety...
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