**DELIVERY FROM AS LITTLE AS £5.50 ON ORDERS UP TO £150.00**

**DELIVERY FROM AS LITTLE AS £5.50 ON ORDERS UP TO £150.00**

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/Caleffi

Original price £36.36 - Original price £36.36

Original price

£36.36

£36.36 - £36.36

Current price £36.36

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6 in stock

Description 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/Caleffi

Original price £20.05 - Original price £20.05

Original price

£20.05

£20.05 - £20.05

Current price £20.05

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35 in stock

Description 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/Caleffi

Original price £11.66 - Original price £11.66

Original price

£11.66

£11.66 - £11.66

Current price £11.66

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13 in stock

Description 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
NABIC

Original price £124.85 - Original price £895.87

Original price £124.85

£147.08 - £1,189.66

£147.08 - £1,189.66

Current price £147.08

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50 in stock

Description 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 314 Series Safety Pressure Relief Valve with Gauge 1/2" x 1/2" M x F 3 Bar - 314430
Altecnic/Caleffi

Original price £16.69 - Original price £16.69

Original price

£16.69

£16.69 - £16.69

Current price £16.69

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16 in stock

Description 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 Pressure Relief Valve 3/4" Loose Nut Connection x 1/2" F 6 Bar - A311501CST
Altecnic/Caleffi

Original price £21.74 - Original price £21.74

Original price

£21.74

£21.74 - £21.74

Current price £21.74

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8 in stock

Description 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 311 Series Safety Relief Valve 3/4" x 3/4" F x F 6 Bar - 311560
Altecnic/Caleffi

Original price £12.67 - Original price £12.67

Original price

£12.67

£12.67 - £12.67

Current price £12.67

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9 in stock

Description 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/Caleffi

Original price £12.20 - Original price £12.20

Original price

£12.20

£12.20 - £12.20

Current price £12.20

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8 in stock

Description 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 311 Series Safety Relief Valve 3/4" x 3/4" F x F 3 Bar - 311530
Altecnic/Caleffi

Original price £12.65 - Original price £12.65

Original price

£12.65

£12.65 - £12.65

Current price £12.65

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15 in stock

Description 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 Loose Nut Connection 4.5 Bar - F0000242
Altecnic/Caleffi

Original price £36.36 - Original price £36.36

Original price

£36.36

£36.36 - £36.36

Current price £36.36

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7 in stock

Description 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 312 Series Safety Relief Valve 1/2" x 1/2" M x F 2.5 Bar - 312425
Altecnic/Caleffi

Original price £9.77 - Original price £9.77

Original price

£9.77

£9.77 - £9.77

Current price £9.77

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10 in stock

Description 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 527 Series Safety Relief Valve 3/4" x 1" F x F 6 Bar - 527560EST
Altecnic/Caleffi

Original price £72.16 - Original price £72.16

Original price

£72.16

£72.16 - £72.16

Current price £72.16

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Only 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 527 safety...
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Altecnic / Caleffi 309 Series - 309400CST - Pressure & Temperature Relief Valve 1/2" 90°C 10 Bar
Altecnic/Caleffi

Original price £25.59 - Original price £25.59

Original price

£25.59

£25.59 - £25.59

Current price £25.59

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Only 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 309 Series Pressure & Temperature Relief Valve 1/2" 90°C 7 Bar - 309473CST
Altecnic/Caleffi

Original price £26.51 - Original price £26.51

Original price

£26.51

£26.51 - £26.51

Current price £26.51

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Only 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/Caleffi

Original price £36.36 - Original price £36.36

Original price

£36.36

£36.36 - £36.36

Current price £36.36

| /

9 in stock

Description 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/Caleffi

Original price £21.52 - Original price £21.52

Original price

£21.52

£21.52 - £21.52

Current price £21.52

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10 in stock

Description 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 311 Series Safety Relief Valve 1/2" x 1/2" F x F 8 Bar - 311480
Altecnic/Caleffi

Original price £8.72 - Original price £8.72

Original price

£8.72

£8.72 - £8.72

Current price £8.72

| /

6 in stock

Description 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...
View full details
Altecnic / Caleffi 309 Series - 309570CST - Pressure & Temperature Relief Valve 3/4" 90°C 7 Bar
Altecnic/Caleffi

Original price £30.21 - Original price £30.21

Original price

£30.21

£30.21 - £30.21

Current price £30.21

| /

Only 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...
View full details
Altecnic / Caleffi 309 Series Pressure & Temperature Relief Valve 3/4" 90°C 10 Bar - 309500CST
Altecnic/Caleffi

Original price £26.69 - Original price £26.69

Original price

£26.69

£26.69 - £26.69

Current price £26.69

| /

4 in stock

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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Coi Tech SLKL-H Open Discharge Safety Relief Valve
Coi Technology

Original price £33.75 - Original price £297.00

Original price

£33.75 - £297.00

£33.75 - £297.00

Current price £33.75

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29 in stock

Description 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 312 Series Safety Pressure Relief Valve 1/2" M x 15mm 4 Bar - 312405CST
Altecnic/Caleffi

Original price £12.92 - Original price £12.92

Original price

£12.92

£12.92 - £12.92

Current price £12.92

| /

10 in stock

Description 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...
View full details
Altecnic / Caleffi 313 Series - 313530 - Pressure Relief Valve With Gauge 3/4" x 3/4" F x F 3 Bar
Altecnic/Caleffi

Original price £21.52 - Original price £21.52

Original price

£21.52

£21.52 - £21.52

Current price £21.52

| /

11 in stock

Description 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...
View full details
Altecnic / Caleffi 313 Series Pressure Relief Valve With Gauge 1/2" x 1/2" F x F 3 Bar - 313430
Altecnic/Caleffi

Original price £16.66 - Original price £16.66

Original price

£16.66

£16.66 - £16.66

Current price £16.66

| /

6 in stock

Description 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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Bailey 716SSL Safety Relief Valve (Metal disc with Lifting Lever – suitable for Steam and Liquid service)
Bailey

Original price £229.50 - Original price £1,024.25

Original price

£229.50 - £1,024.25

£229.50 - £1,024.25

Current price £229.50

| /

5 in stock

Description This is a stock item. Order by 5pm Monday to Thursday and 4.30pm Friday for same day despatch. The Kunkle Bailey 716 Safety Relief Valv...
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