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 0.5 bar Pressure Relief Valve With 22 mm 22 mm
RS Stock No.275-5961BrandRS PRO

BD 7.887

BD 7.887 Each (Exc. Vat)

Add to basket
RS Pro
Pressure Relief Valve
0.5bar
Compression
22 mm
120°C
Compression
22 mm
Brass
-
0.05bar
Central Heating System
Female
-
Female
-
No
RS PRO 0.5 bar Pressure Relief Valve With 22 mm 22 mm
RS Stock No.275-5960BrandRS PRO

BD 7.278

BD 7.278 Each (Exc. Vat)

Add to basket
RS Pro
Pressure Relief Valve
0.5bar
Compression
22 mm
120°C
Compression
22 mm
Brass
-
0.05bar
Central Heating System
Female
-
Female
-
No
RS PRO 20 bar Pressure Relief Valve With DN25
RS Stock No.336-755BrandRS PRO

BD 63.989

BD 63.989 Each (Exc. Vat)

Add to basket
RS Pro
Pressure Relief Valve
20bar
Threaded
DN25
185°C
-
-
Cast Bronze
-
20kgf/cm²
Boiler, Gas Pipeline, Pressure Vessel, Stean Generators
Male
-45°C
-
-
RoHS
RS PRO 20 bar Pressure Relief Valve With DN25
RS Stock No.336-757BrandRS PRO

BD 77.240

BD 77.240 Each (Exc. Vat)

Add to basket
RS Pro
Pressure Relief Valve
20bar
Threaded
DN25
185°C
-
-
Cast Bronze
-
20kgf/cm²
Boiler, Gas Pipeline, Pressure Vessel, Stean Generators
Male
-45°C
-
-
RoHS
RS PRO 20 bar Pressure Relief Valve With DN25
RS Stock No.336-758BrandRS PRO

BD 99.738

BD 99.738 Each (Exc. Vat)

Add to basket
RS Pro
Pressure Relief Valve
20bar
Threaded
DN25
185°C
-
-
Cast Bronze
-
20kgf/cm²
Boiler, Pressure Vessel, Stean Generators, Gas Pipeline
Male
-45°C
-
-
RoHS
RS PRO 20 bar Pressure Relief Valve With DN25
RS Stock No.336-759BrandRS PRO

BD 190.887

BD 190.887 Each (Exc. Vat)

Add to basket
RS Pro
Pressure Relief Valve
20bar
Threaded
DN25
196°C
-
-
Cast Bronze
-
20kgf/cm²
Stean Generators, Pressure Vessel, Gas Pipeline, Boiler
Male
-45°C
-
-
RoHS
RS PRO 3 bar Pressure Relief Valve With 1/2 in 1/2 in
RS Stock No.429-633BrandRS PRO

BD 3.797

BD 3.797 Each (Exc. Vat)

Add to basket
RS Pro
Pressure Relief Valve
3bar
-
1/2 in
-
-
1/2 in
Brass
-
-
Heater
-
-
-
-
No
RS PRO 3 bar Pressure Relief Valve With 1/2 in 1/2 in
RS Stock No.429-635BrandRS PRO

BD 3.879

BD 3.879 Each (Exc. Vat)

Add to basket
RS Pro
Pressure Relief Valve
3bar
BSPP Male/Female
1/2 in
-
-
1/2 in
Brass
-
3bar
Heater
-
-
-
-
No
RS PRO 3 bar Pressure Relief Valve With 1/2 in 1/2 in
RS Stock No.429-642BrandRS PRO

BD 6.637

BD 6.637 Each (Exc. Vat)

Add to basket
RS Pro
Pressure Relief Valve
3bar
-
1/2 in
100°C
-
1/2 in
Brass
ISO 228/1
-
Heating Systems, Domestic Hot Water System
-
0°C
-
ISO 228/1
No
RS PRO 3 bar Pressure Relief Valve With 1/2 in 1/2 in
RS Stock No.429-643BrandRS PRO

BD 6.637

BD 6.637 Each (Exc. Vat)

Add to basket
RS Pro
Pressure Relief Valve
3bar
-
1/2 in
100°C
-
1/2 in
Brass
ISO 228/1
3bar
Domestic Hot Water System, Heating Systems
-
0°C
-
ISO 228/1
No
RS PRO 3 bar Pressure Relief Valve With 1/2 in 1/2 in
RS Stock No.429-639BrandRS PRO

BD 8.465

BD 8.465 Each (Exc. Vat)

Add to basket
RS Pro
Pressure Relief Valve
3bar
-
1/2 in
100°C
-
1/2 in
Brass
ISO 228/1
-
Heating Systems, Domestic Hot Water System
-
0°C
-
ISO 228/1
No
RS PRO 6 bar Pressure Relief Valve With 1/2 in 1/2 in
RS Stock No.429-641BrandRS PRO

BD 8.465

BD 8.465 Each (Exc. Vat)

Add to basket
RS Pro
Pressure Relief Valve
6bar
-
1/2 in
100°C
-
1/2 in
Brass
ISO 228/1
-
Heating Systems, Domestic Hot Water System
-
0°C
-
ISO 228/1
No
RS PRO 6 bar Pressure Relief Valve With 1/2 in 1/2 in
RS Stock No.429-637BrandRS PRO

BD 3.879

BD 3.879 Each (Exc. Vat)

Add to basket
RS Pro
Pressure Relief Valve
6bar
-
1/2 in
-
-
1/2 in
Brass
-
-
Heater
-
-
-
-
No
RS PRO 6 bar Pressure Relief Valve With 1/2 in 1/2 in
RS Stock No.429-636BrandRS PRO

BD 3.797

BD 3.797 Each (Exc. Vat)

Add to basket
RS Pro
Pressure Relief Valve
6bar
BSPP Male/Female
1/2 in
-
-
1/2 in
Brass
-
-
Heater
-
-
-
-
No
Amphenol Industrial 7 psi Pressure Relief Valve With
RS Stock No.192-984BrandAmphenol IndustrialManufacturers Part No.VENT-PQ1NBK-N8002

BD 2.336

BD 2.336 Each (Exc. Vat)

Add to basket
Amphenol Industrial
Pressure Relief Valve
7psi
-
-
125°C
-
-
Nylon
-
-
-
-
-40°C
-
-
UL
Amphenol Industrial 7 psi Pressure Relief Valve With
RS Stock No.192-989BrandAmphenol IndustrialManufacturers Part No.VENT-PQ1NGY-N8001

BD 2.685

BD 2.685 1 Bag of 2 (Exc. Vat)

Add to basket
Amphenol Industrial
Pressure Relief Valve
7psi
-
-
125°C
-
-
-
-
-
-
-
-40°C
-
-
UL 94V-0, IP69K
Amphenol Industrial 7 psi Pressure Relief Valve With
RS Stock No.192-990BrandAmphenol IndustrialManufacturers Part No.VENT-PS1YGY-N8002

BD 2.765

BD 2.765 Each (Exc. Vat)

Add to basket
Amphenol Industrial
Pressure Relief Valve
7psi
-
-
125°C
-
-
Nylon
-
-
-
-
-
-
-
RoHS
Amphenol Industrial 7 psi Pressure Relief Valve With
RS Stock No.192-992BrandAmphenol IndustrialManufacturers Part No.VENT-PS1NGY-N8002

BD 2.648

BD 2.648 Each (Exc. Vat)

Add to basket
Amphenol Industrial
Pressure Relief Valve
7psi
-
-
125°C
-
-
Nylon
-
-
-
-
-
-
-
RoHS
Amphenol Industrial 7 psi Pressure Relief Valve With
RS Stock No.193-110BrandAmphenol IndustrialManufacturers Part No.VENT-PQ1NBK-N8001

BD 2.648

BD 2.648 1 Bag of 2 (Exc. Vat)

Add to basket
Amphenol Industrial
Pressure Relief Valve
7psi
-
-
125°C
-
-
Nylon
-
-
-
-
-40°C
-
-
UL
Amphenol Industrial 7 psi Pressure Relief Valve With
RS Stock No.192-987BrandAmphenol IndustrialManufacturers Part No.VENT-PS1YGY-O8001

BD 2.144

BD 2.144 Each (Exc. Vat)

Add to basket
Amphenol Industrial
Pressure Relief Valve
7psi
-
-
125°C
-
-
Nylon
-
-
-
-
-40°C
-
-
UL