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 PROHSN Code: 84818039

SR 77.04

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1SR 77.04
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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 PROHSN Code: 84818039

SR 81.35

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1SR 81.35
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RS Pro
22 mm
0.5bar
+120°C
Hot Water
-
-
-
-
Compression
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.: PREL101903HSN Code: 84814090

SR 170.66

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1SR 170.66
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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.: 2252550HSN Code: 84814090

SR 129.57

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1SR 129.57
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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.: PREL101913HSN Code: 84814090

SR 217.88

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1SR 217.88
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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-O8001HSN Code: 39269097

SR 164.56

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1SR 164.56
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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-O8001HSN Code: 76169990

SR 128.78

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1SR 128.78
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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-O8002HSN Code: 76169990

SR 278.78

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1SR 278.78
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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-O8002HSN Code: 76169990

SR 343.11

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1SR 343.11
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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-O8001HSN Code: 76169990

SR 235.95

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1SR 235.95
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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-O8001HSN Code: 76169990

SR 235.95

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1SR 235.95
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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-F10BHSN Code: 84812090

SR 596.69

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1SR 596.69
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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-F06AHSN Code: 84812090

SR 411.36

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1SR 411.36
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SMC
3/4 in G
10bar
+60°C
Air
12.7mm
-
Female
-
G
SMC 15bar Pressure Relief Valve With Female G 3/8 in G Connection and a 6.35mm Exhaust Port
SMC 15bar Pressure Relief Valve With Female G 3/8 in G Connection and a 6.35mm Exhaust Port
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RS Stock No.: 270-5033Brand: SMCManufacturers Part No.: VHS30-F03BHSN Code: 84812090

SR 225.27

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1SR 225.27
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SMC
3/8 in G
15bar
+90°C
For Connecting to FRL Units
6.35mm
-
Female
-
G
SMC 1bar Pressure Relief Valve With Female G 3/4 in G Connection and a 1/2mm Exhaust Port
SMC 1bar Pressure Relief Valve With Female G 3/4 in G Connection and a 1/2mm Exhaust Port
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RS Stock No.: 270-5036Brand: SMCManufacturers Part No.: VHS50-F06BHSN Code: 84812090

SR 561.79

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1SR 561.79
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SMC
3/4 in G
1bar
+60°C
Air
1/2mm
-
Female
-
G
Watts 7bar Pressure Relief Valve With
Watts 7bar Pressure Relief Valve With
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RS Stock No.: 178-0052Brand: WattsManufacturers Part No.: 2252571HSN Code: 84814090

SR 325.47

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1SR 325.47
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Watts
-
7bar
-
-
-
-
-
3/4in
-
Watts 7bar Pressure Relief Valve With Female, Male G 3/4 in G, 3/4 in G Connection
Watts 7bar Pressure Relief Valve With Female, Male G 3/4 in G, 3/4 in G Connection
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RS Stock No.: 178-0051Brand: WattsManufacturers Part No.: 2252570HSN Code: 84814090

SR 216.46

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1SR 216.46
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Watts
3/4 in G, 3/4 in G
7bar
+165°C
-
-
Brass
Female, Male
3/4in
G
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-F04BHSN Code: 84812090

P.O.A.

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1P.O.A.
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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-F02BHSN Code: 84812090

P.O.A.

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1P.O.A.
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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-190ASHSN Code: 84879059

P.O.A.

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1P.O.A.
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SMC
-
10bar
+60°C
Air
3/8mm
-
-
-
-