Markets

Products A to Z

Medium Capacity Safety Relief Valves

707 – Bailey Birkett High Lift Safety Relief Valve

The 707 range of safety relief valves offer protection against over pressure on boilers, compressors, pressure vessels, process pipelines and pressurised equipment. Supplied set to your requirements with a certificate confirming lift pressure at no additional cost.

Type
Standard Capacity • High Lift • Side Discharge • Lever or Dome Top
Size & Connections
15mm (1/2″) to 50mm (2″) • BSP/NPT FxF or MxF • Flanged PN25, ANSI 150, BS10 H*
Duty
Air • Inert Gases • Oil • Process Liquids • Steam • Water (dependent on trim)
Materials
Bronze Body • Aflas, EPDM or Stainless Steel Disc
Set Pressure Range
0.35 to 24 bar
Temperature
Aflas Disc: -20°C to 200°C • EPDM Disc: -20°C to 95°C • SS Disc: -20°C to 224°C
Compliance & Approvals
BS6759 Part 1, 2 & 3 (dependent on duty) • BSEN ISO 4126 Part 1 • WRAS (EPDM disc)
* Flanged inlet x Screwed outlet only, specify when enquiring
Buy 707 – Bailey Birkett High Lift Safety Relief Valve707 – Bailey Birkett High Lift Safety Relief Valve - PDF DatasheetCertificated to BS6759 StandardsWRAS Approved Product (EPDM Trim only)Bailey Birkett part of Emerson

707 – Bailey Birkett High Lift Safety Relief Valve

542 – Nabic Safety Relief Valve

The Nabic 542 safety valve is an extremely versatile valve, suitable for use on hot water, steam or air. Although designed primarily for protection of hot water boilers, it’s wide range of applications make it an ideal general purpose safety valve. Supplied set to your requirements with a certificate confirming lift pressure at no additional cost.

Type
Standard Capacity • Side Discharge • Lifting Lever
Size & Connections
15mm (1/2″) to 80mm (3″) BSP/NPT Female
Duty
Air • Oil • Inert Gasses • Steam • Water
Materials
Bronze Body • PTFE Seat Seal (Viton option)
Set Pressure Range
0.3 to 15 bar (dependent on size)
Temperature
 -20°C to 195°C
Compliance & Approvals
BS6759 • BSEN ISO 4126 • WRAS (1 bar and above)
Buy 542 – Nabic Safety Relief Valve542 – Nabic Safety Relief Valve - PDF DatasheetCertificated to BS6759 StandardsWRAS Approved Product (EPDM Trim only)Nabic Valves

542 - Nabic Safety Relief Valve

652 – Goetze Side Discharge Bronze Safety Relief Valve

The 652 safety relief valve is suitable for the protection of pressure tanks and systems for steam, air, inert gas and vapour duties. Supplied set to your requirements with a certificate confirming lift pressure at no additional cost.

Type
Side Discharge • Twist Lifting Mechanism
Size & Connections
15mm (1/2″) to 50mm (2″) BSP
Duty
Air • Inert Gases • Steam
Materials
Bronze Body • NBR Disc (EPDM & FKM option)
Set Pressure Range
1 to 16 bar
Temperature
NBR Disc : -30°C to 130°C • EPDM Disc : -50°C to 150°C • FKM Disc : -20°C to 200°C
Compliance & Approvals
BS6759 • TÜV Test Approval 293, 312 • BSEN ISO 4126
Contact Us652 – Goetze Side Discharge Bronze Safety Relief Valve - PDF DatasheetCertificated to BS6759 StandardsTUV Test ApprovalGoetze Valves

652 – Goetze Side Discharge Bronze Safety Relief Valve

JV130009 – Stainless Steel or Duplex Safety Relief Valve

An economical EU manufactured safety relief valve suitable for a wide variety of applications & duties. The valve is available with a dome top, lifting device, sealed packing lever or test gag. A cryogenic version is also available service temperatures down to -196°C. Supplied set to your requirements with a certificate confirming lift pressure at no additional cost.

Type
Side Discharge • Lever, Packed Lever or Dome Top
Size & Connections
15mm (1/2″) to 50mm (2″) BSP or NPT
Duty
Air • Cryogenic • Inert Gases • Oil • Process Liquids • Steam • Water
Materials
Stainless Steel or Duplex Body • Stainlees Steel Disc (FKM or PTFE option)
Set Pressure Range
0.2 to 40 bar
Temperature
Stainless Steel Disc : -10°C to 350°C (Cryogenic -196°C, see data sheet for others)
Compliance & Approvals
EN-12516-1 • EN-4126-1 / 7 • DIN 259 • ANSI B2.1
Contact UsJV130009 – Stainless Steel or Duplex Safety Relief Valve - PDF Datasheet

JV130009 – Stainless Steel or Duplex Safety Relief Valve

JV130010 – High Pressure Stainless Steel or Duplex Safety Relief Valve

EU manufactured safety relief valve suitable for a wide variety of high pressure applications & duties. The valve is available with a dome top, lifting device, sealed packing lever or test gag. A cryogenic version is also available service temperatures down to -196°C. Supplied set to your requirements with a certificate confirming lift pressure at no additional cost.

Type
Side Discharge • Lever, Packed Lever or Dome Top
Size & Connections
15mm (1/2″) to 50mm (2″) BSP or NPT
Duty
Air • Cryogenic • Inert Gases • Oil • Process Liquids • Steam • Water
Materials
Stainless Steel or Duplex Body • Stainlees Steel (17-4-PH) or Duplex Disc
Set Pressure Range
30 to 350 bar
Temperature
Stainless Steel Disc : -30°C to 350°C (Cryogenic -196°C, see data sheet for Duplex)
Compliance & Approvals
EN-12516-1 • EN-4126-1 / 7 • DIN 259 • ANSI B2.1
Contact UsJV130010 – High Pressure Stainless Steel or Duplex Safety Relief Valve - PDF Datasheet

JV130010 – High Pressure Stainless Steel or Duplex Safety Relief Valve

6200 – Wade Side Discharge Brass Safety Relief Valve

The Wade 6200 safety relief valve is suitable for the protection of pressure tanks and systems for air and inert gas applications. Supplied set to your requirements with a certificate confirming lift pressure at no additional cost.

Type
Side Discharge • Easing Knob
Size & Connections
15mm (1/2″) to 25mm (1″) BSP
Duty
Air Compressors & Systems • Inert Gases
Materials
Brass Body • Silicone Rubber Seat Seal
Set Pressure Range
1.8 to 20.1 bar 
Temperature
-15°C to 180°C
Compliance & Approvals
BS6759 Part 2 • BSEN ISO 4126
Contact Us6200 – Wade Side Discharge Brass Safety Relief Valve - PDF DatasheetCertificated to BS6759 StandardsWade Brand

6200 – Wade Side Discharge Brass Safety Relief Valve

480 / 485 / 490 – Bailey Birkett By-Pass & Relief Valve

For use with positive displacement pumps either of the rotary or reciprocating type and have been used successfully with water. It can also be used as a relief or combined relief and bypass valve and can be modified to operate as an integral pump by-pass relief valve. Supplied set to your requirements with a certificate confirming lift pressure at no additional cost.

Type
By-Pass • Side Discharge • Dome Top
Size & Connections
20mm (3/4″) to 80mm (3″) BSP Threaded
Duty
Most Liquids that are compatible with materials
Materials
Bronze Body (480 & 485) • Stainless Steel Body (490)
Set Pressure Range
0.35 to 24 bar (dependent on size)
Temperature
Bronze: -20°C to 120°C • Stainless Steel: -20°C to 200°C 
Compliance & Approvals
BS6759 Part 3
Contact Us480/485/490 – Bailey Birkett By-Pass & Relief Valve - PDF DatasheetCertificated to BS6759 StandardsBailey Birkett part of Emerson

480/485/490 – Bailey Birkett By-Pass & Relief Valve

JV130011 –  Stainless Steel or Duplex Safety Relief Valve – Flange

An economical EU manufactured safety relief valve suitable for a wide variety of applications & duties. The valve is available with a dome top, lifting device, sealed packing lever or test gag. A cryogenic version is also available service temperatures down to -196°C. Supplied set to your requirements with a certificate confirming lift pressure at no additional cost.

Type
Side Discharge • Lever, Packed Lever or Dome Top
Size & Connections
DN15 to DN25 • Flanged PN16/40, ANSI 150/300, Outlet Flanged or Threaded BSP/NPT
Duty
Air • Cryogenic • Inert Gases • Oil • Process Liquids • Steam • Water
Materials
Stainless Steel or Duplex Body • Stainlees Steel Disc
Set Pressure Range
0.2 to 40 bar
Temperature
Stainless Steel Disc : -10°C to 350°C (Cryogenic -196°C)
Compliance & Approvals
EN-12516-1 • EN-4126-1 / 7 • DIN 259 • ANSI B2.1
Contact UsJV130011 –  Stainless Steel or Duplex Safety Relief Valve - Flanged - PDF Datasheet

JV130011 –  Stainless Steel or Duplex Safety Relief Valve - Flanged

683 / 686 / 693 / 696 – Bailey Birkett Single High Lift Cast Steel Safety Relief Valve

The 680 and 690 series of single high lift safety valves combine a top guided design, to provide an unobstructed seat bore, with a floating disc that aligns correctly under all working conditions. Supplied set to your requirements with a certificate confirming lift pressure at no additional cost.

Type
Single Pot • High Lift • Side Discharge • Lever (686/696) or Dome Top (683/693)
Size & Connections
DN40 to DN100 • Flanged PN16/25/40, ANSI 150/300, BS10 E/F/H*
Duty
Air • Inert Gases • Oil • Process Liquids • Steam • Water
Materials
Cast Steel Body • Cast Iron Cover • Stainless Steel Disc
Set Pressure Range
683/686 : 0.25 to 13 bar • 693/696 : 0.25 to 13 bar
Temperature
-20°C to 230°C
Compliance & Approvals
BS6759 Part 1, 2 & 3 (dependent on duty)
* Dependent on series, specify when enquiring
Contact Us683/686 & 693/696 – Bailey Birkett Single High Lift Cast Steel Safety Relief Valve - PDF DatasheetCertificated to BS6759 StandardsBailey Birkett part of Emerson

683/686 & 693/696 – Bailey Birkett Single High Lift Cast Steel Safety Relief Valve

JV130012 –  Low Pressure Safety Relief Valve – Flanged

The JV130012 is an economical EU manufactured safety relief valve suitable for low pressure applications & duties. Supplied set to your requirements with a certificate confirming lift pressure at no additional cost.

Type
Low Pressure • Side Discharge
Size & Connections
DN25 to DN400 • Flanged PN16
Duty
Air • Cryogenic • Inert Gases • Oil • Process Liquids • Steam • Water
Materials
Iron, Stainless Steel or Steel Body • Stainlees Steel Disc
Set Pressure Range
5 to 200 mbar
Temperature
Stainless Steel Disc : -10°C to 425°C
Compliance & Approvals
EN-12516-1 • EN-4126-1 / 7
Contact UsJV130012 –  Low Pressure Safety Relief Valve - Flanged - PDF Datasheet

JV130012 –  Low Pressure Safety Relief Valve - Flanged

6300 – Wade Side Discharge Brass Safety Relief Valve – Degreased for Oxygen

The Wade 6300 safety relief valve is degreased which makes it suitable for pressure protection in oxygen applications. Supplied set to your requirements with a certificate confirming lift pressure at no additional cost.

Type
Side Discharge • Easing Knob
Size & Connections
15mm (1/2″) to 25mm (1″) BSP
Duty
Degreased for Oxygen
Materials
Brass Body • Silicone Rubber Seat Seal
Set Pressure Range
1.8 to 20.1 bar
Temperature
-15°C to 180°C
Compliance & Approvals
BSEN ISO 4126
Contact Us6300 – Wade Side Discharge Brass Safety Relief Valve - Degreased for Oxygen - PDF DatasheetCertificated to BS6759 StandardsWade Brand

6300 – Wade Side Discharge Brass Safety Relief Valve - Degreased for Oxygen

652D – Goetze Side Discharge Bronze Diaphragm Safety Relief Valve

The 652D is fitted with a diaphragm to prevent the media from entering the spring chamber thus making it suitable for the protection of pumps, closed cooling circuits and pressure tanks and systems for water and neutral liquids. Supplied set to your requirements with a certificate confirming lift pressure at no additional cost.

Type
Side Discharge • Twist Lifting Mechanism
Size & Connections
15mm (1/2″) to 50mm (2″) BSP
Duty
Water • Neutral Liquids
Materials
Bronze Body • EPDM Disc (NBR option for oil duty)
Set Pressure Range
1 to 16 bar
Temperature
EPDM Disc : -50°C to 150°C • NBR Disc : -30°C to 130°C
Compliance & Approvals
BS6759 • TÜV Test Approval 293 • BSEN ISO 4126
Contact Us652D – Goetze Side Discharge Bronze Diaphragm Safety Relief Valve- PDF DatasheetCertificated to BS6759 StandardsTUV Test ApprovalGoetze Valves

652D – Goetze Side Discharge Bronze Diaphragm Safety Relief Valve

542F – Nabic Safety Relief Valve – Flanged x BSP

The Nabic 542 safety valve is an extremely versatile valve, suitable for use on hot water, steam or air. Although designed primarily for protection of hot water boilers, it’s wide range of applications make it an ideal general purpose safety valve. Supplied set to your requirements with a certificate confirming lift pressure at no additional cost.

Type
Standard Capacity • Side Discharge • Lifting Lever
Size & Connections
DN32 (1 1/4″) to DN80 0mm (3″) Flanged x BSP
Duty
Air • Oil • Inert Gasses • Steam • Water
Materials
Bronze Body • PTFE Seat Seal (Viton option)
Set Pressure Range
0.3 to 10.5 bar (dependent on size)
Temperature
 -20°C to 195°C
Compliance & Approvals
BS6759 • BSEN ISO 4126 • WRAS (1 bar and above)
Contact Us542F – Nabic Safety Relief Valve - Flanged x BSP - PDF DatasheetCertificated to BS6759 StandardsWRAS Approved Product (EPDM Trim only)Nabic Valves

542F – Nabic Safety Relief Valve - Flanged x BSP