Pressure Relief Valves

Where pressure overload might lead to catastrophic failure in a system, pressure relief valves are essential. The pressure valves, or PRVs, work by opening when a pressure limit has been reached, and diverting either gas, liquid, or liquid-gas mixtures away from the system. How this is achieved depends on the system, but it usually relies on the medium following the path of least resistance off...

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RS PRO 0.5bar Pressure Relief Valve With Compression 22 mm Connection
RS PRO 0.5bar Pressure Relief Valve With Compression 22 mm Connection
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RS Stock No.: 275-5960Brand: RS PRO

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RS Pro
22 mm
0.5bar
+120°C
Hot Water
-
-
-
-
Compression
RS PRO 0.5bar Pressure Relief Valve With Compression 22 mm Connection
RS PRO 0.5bar Pressure Relief Valve With Compression 22 mm Connection
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RS Stock No.: 275-5961Brand: RS PRO

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RS Pro
22 mm
0.5bar
+120°C
Hot Water
-
-
-
-
Compression
10bar Pressure Relief Valve With Female G G 1/2 Connection and a 3/8mm Exhaust Port
10bar Pressure Relief Valve With Female G G 1/2 Connection and a 3/8mm Exhaust Port
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RS Stock No.: 288-7003Brand: SMCManufacturers Part No.: VHS40-F04B

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SMC
G 1/2
10bar
+60°C
Air
3/8mm
-
Female
-
G
10bar Pressure Relief Valve With Female G G 1/4 Connection and a 1/8mm Exhaust Port
10bar Pressure Relief Valve With Female G G 1/4 Connection and a 1/8mm Exhaust Port
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RS Stock No.: 288-7002Brand: SMCManufacturers Part No.: VHS20-F02B

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SMC
G 1/4
10bar
+60°C
Air
1/8mm
-
Female
-
G
10bar Pressure Relief Valve With and a 3/8mm Exhaust Port
10bar Pressure Relief Valve With and a 3/8mm Exhaust Port
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RS Stock No.: 288-7004Brand: SMCManufacturers Part No.: VHS40PW-190AS

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SMC
-
10bar
+60°C
Air
3/8mm
-
-
-
-
Siemens Pressure Relief Valve With Female G 1/4 in G Connection
Siemens Pressure Relief Valve With Female G 1/4 in G Connection
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RS Stock No.: 287-8850Brand: SiemensManufacturers Part No.: VPF44.65F35

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Siemens
1/4 in G
-
+120°C
Heating, Ventilation And Air Conditioning Systems
-
-
Female
-
G
Siemens Pressure Relief Valve With Female G 1/4 in G Connection
Siemens Pressure Relief Valve With Female G 1/4 in G Connection
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RS Stock No.: 287-8848Brand: SiemensManufacturers Part No.: VPF44.50F15

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Siemens
1/4 in G
-
+120°C
Heating, Ventilation And Air Conditioning Systems
-
-
Female
-
G
Siemens Pressure Relief Valve With Female G 1/4 in G Connection
Siemens Pressure Relief Valve With Female G 1/4 in G Connection
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RS Stock No.: 287-8847Brand: SiemensManufacturers Part No.: VPF43.200F280

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Siemens
1/4 in G
-
+110°C
Combined With Variable Speed Pumps, Hvac Systems
-
-
Female
-
G
Siemens Pressure Relief Valve With Female G 1/4 in G Connection
Siemens Pressure Relief Valve With Female G 1/4 in G Connection
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RS Stock No.: 287-8849Brand: SiemensManufacturers Part No.: VPF44.65F25

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Siemens
1/4 in G
-
+120°C
Heating, Ventilation And Air Conditioning Systems
-
-
Female
-
G
Reliance 3bar Pressure Relief Valve With Female BSP 1/2 in BSP Female Connection and a BSP 1/2 Exhaust Port
Reliance 3bar Pressure Relief Valve With Female BSP 1/2 in BSP Female Connection and a BSP 1/2 Exhaust Port
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RS Stock No.: 211-0430Brand: Reliance Water ControlsManufacturers Part No.: PREL101903

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Reliance Water Controls
1/2 in BSP Female
3bar
+140°C
Hot Water
BSP 1/2
Brass
Female
1/2in
BSP
Watts 7bar Pressure Relief Valve With
Watts 7bar Pressure Relief Valve With
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RS Stock No.: 178-0050Brand: WattsManufacturers Part No.: 2252550

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Watts
-
7bar
-
-
-
-
-
3/4in
-
Reliance 3bar Pressure Relief Valve With Female BSP 3/4 in BSP Female Connection and a BSP 3/4 Exhaust Port
Reliance 3bar Pressure Relief Valve With Female BSP 3/4 in BSP Female Connection and a BSP 3/4 Exhaust Port
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RS Stock No.: 211-0446Brand: Reliance Water ControlsManufacturers Part No.: PREL101913

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Reliance Water Controls
3/4 in BSP Female
3bar
+140°C
Hot Water
BSP 3/4
Brass
Female
3/4in
BSP
Amphenol Industrial Pressure Relief Valve With
Amphenol Industrial Pressure Relief Valve With
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RS Stock No.: 276-9121Brand: Amphenol IndustrialManufacturers Part No.: VENT-PR1NBK-O8001

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Amphenol Industrial
-
-
+120°C
Air
-
-
-
-
-
Amphenol Industrial Pressure Relief Valve With Male Metric 20 mm Connection
Amphenol Industrial Pressure Relief Valve With Male Metric 20 mm Connection
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RS Stock No.: 276-9116Brand: Amphenol IndustrialManufacturers Part No.: VENT-MS4NME-O8001

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Amphenol Industrial
20 mm
-
+150°C
Air
-
-
Male
-
Metric
Amphenol Industrial Pressure Relief Valve With Male Metric 20 mm Connection
Amphenol Industrial Pressure Relief Valve With Male Metric 20 mm Connection
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RS Stock No.: 276-9117Brand: Amphenol IndustrialManufacturers Part No.: VENT-MS4NME-O8002

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Amphenol Industrial
20 mm
-
+150°C
Air
-
-
Male
-
Metric
Amphenol Industrial Pressure Relief Valve With Male Metric 40 mm Connection
Amphenol Industrial Pressure Relief Valve With Male Metric 40 mm Connection
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RS Stock No.: 276-9120Brand: Amphenol IndustrialManufacturers Part No.: VENT-MS5NME-O8002

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Amphenol Industrial
40 mm
-
+150°C
Air
-
-
Male
-
Metric
Amphenol Industrial Pressure Relief Valve With Male Metric 40 mm Connection
Amphenol Industrial Pressure Relief Valve With Male Metric 40 mm Connection
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RS Stock No.: 276-9118Brand: Amphenol IndustrialManufacturers Part No.: VENT-MS5NBK-O8001

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Amphenol Industrial
40 mm
-
+150°C
Air
-
-
Male
-
Metric
Amphenol Industrial Pressure Relief Valve With Male Metric 40 mm Connection
Amphenol Industrial Pressure Relief Valve With Male Metric 40 mm Connection
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RS Stock No.: 276-9119Brand: Amphenol IndustrialManufacturers Part No.: VENT-MS5NME-O8001

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Amphenol Industrial
40 mm
-
+150°C
Air
-
-
Male
-
Metric
SMC 10bar Pressure Relief Valve With Female G 1 in G Connection and a 12.7mm Exhaust Port
SMC 10bar Pressure Relief Valve With Female G 1 in G Connection and a 12.7mm Exhaust Port
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RS Stock No.: 270-5037Brand: SMCManufacturers Part No.: VHS50-F10B

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SMC
1 in G
10bar
+60°C
Air
12.7mm
-
Female
-
G
SMC 10bar Pressure Relief Valve With Female G 3/4 in G Connection and a 12.7mm Exhaust Port
SMC 10bar Pressure Relief Valve With Female G 3/4 in G Connection and a 12.7mm Exhaust Port
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RS Stock No.: 270-5034Brand: SMCManufacturers Part No.: VHS40-F06A

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SMC
3/4 in G
10bar
+60°C
Air
12.7mm
-
Female
-
G