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Safety Pressure Relief Valves for Oil & Process Duties

Johnson Valves offer a range of safety valves for oil and process applications to various standards.

Free pressure setting, testing and certification.

All safety relief valves supplied by Johnson Valves are set to your pressure requirements and issued with a certificate to the relevant standards at no extra cost.

716SS – Bailey Birkett High Capacity Full Lift Stainless Steel Safety Relief Valve

The 716SS range of stainless steel 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
High Capacity • Full Lift • Side Discharge • Dome Top
Size & Connections
15mm (1/2″) to 50mm (2″) • BSP/NPT • Flanged PN16/25, ANSI 150, BS10 E/F/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 12.5 bar (dependent on size & duty)
Temperature
Aflas Disc: -29°C to 200°C • EPDM Disc: -29°C to 150°C • SS Disc: -29°C to 260°C
Compliance & Approvals
BS6759 Part 1, 2 & 3 (dependent on duty)
* Flanged inlet x Screwed outlet only, specify when enquiring
Contact Us716SS – Bailey Birkett High Capacity Full Lift Stainless Steel Safety Relief Valve - PDF DatasheetCertificated to BS6759 StandardsBailey Birkett part of Emerson

716SS – Bailey Birkett High Capacity Full Lift Stainless Steel Safety Relief Valve

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

716 – Bailey Birkett High Capacity Full Lift Safety Relief Valve

The 716 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
High Capacity • Full Lift • Side Discharge • Lever or Dome Top
Size & Connections
15mm (1/2″) to 50mm (2″) • BSP/NPT • Flanged PN16/25, ANSI 150, BS10 E/F/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 32 bar (dependent on size & duty)
Temperature
Aflas Disc: -29°C to 200°C • EPDM Disc: -29°C to 150°C • SS Disc: -29°C to 260°C
Compliance & Approvals
BS6759 Part 1, 2 & 3 (dependent on duty) • BSEN ISO 4126 Part 1
* Flanged inlet x Screwed outlet only, specify when enquiring
Buy 716 – Bailey Birkett High Capacity Full Lift Safety Relief Valve716 – Bailey Birkett High Capacity Full Lift Safety Relief Valve - PDF DatasheetCertificated to BS6759 StandardsBailey Birkett part of Emerson

716 – Bailey Birkett High Capacity Full Lift 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

746 – Bailey Birkett High Capacity Full Lift Carbon or Stainless Steel Safety Relief Valve

The 746 combination of top guiding, unobstructed seat bore and full lift capability ensures the highest possible discharge rate. Supplied set to your requirements with a certificate confirming lift pressure at no additional cost.

Type
High Capacity • Full Lift • Side Discharge • Lever, Packed Lever or Dome Top
Size & Connections
DN25 to DN100 • Flanged PN1640, ANSI 150/300*
Duty
Air • Inert Gases • Oil • Process Liquids • Steam • Water
Materials
Carbon or Stainless Steel Body • Stainless Steel Disc (EPDM, FKM or PTFE option)
Set Pressure Range
0.35  up to 40 bar (dependent on size)
Temperature
Stainless Steel Disc : -46°C to 427°C (see data sheet for others)
Compliance & Approvals
BS6759 Part 1, 2 & 3 (dependent on duty) • ASME VIII/TUV-AD Merkblatt A2 (on request)
* Dependent on series, specify when enquiring
Contact Us746 – Bailey Birkett High Capacity Full Lift Carbon or Stainless Steel Safety Relief Valve - PDF DatasheetCertificated to BS6759 StandardsBailey Birkett part of Emerson

746 – Bailey Birkett High Capacity Full Lift Carbon or Stainless 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

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

355 – Goetze Cast Iron Safety Relief Valve – Flanged

The Goetze 355 safety relief valve has a cast iron body with various seal options. This valve can be supplied either with open or closed cap. There is also an option with a bellows assembly. Supplied set to your requirements with a certificate confirming lift pressure at no additional cost.

Type
Side Discharge • Lever or Dome Top • Optional Bellows
Size & Connections
DN15 to DN100 • Flanged PN40 x 16
Duty
Air • Oil • Inert Gasses • Steam • Water
Materials
Cast Iron Body & Spring Housing • St. St. Disc (EPDM, FKM, FFKM & PTFE option)
Set Pressure Range
0.2 to 40 bar
Temperature
Stainless Steel Disc : -10°C to 350°C (see datasheet for other materials)
Compliance & Approvals
TÜV Test Approval 2094 • BSEN ISO 4126-1
Contact Us355 – Goetze Cast Iron Safety Relief Valve - Flanged- PDF DatasheetTUV Test ApprovalGoetze Valves

355 – Goetze Cast Iron Safety Relief Valve - Flanged

455 – Goetze Stainless Steel Safety Relief Valve – Flanged

The Goetze 355 safety relief valve has a stainless steel body with various seal options. This valve can be supplied either with open or closed cap. There is also an option with a bellows assembly. Supplied set to your requirements with a certificate confirming lift pressure at no additional cost.

Type
Side Discharge • Lever or Dome Top • Optional Bellows
Size & Connections
DN15 to DN100 • Flanged PN40 x 16
Duty
Air • Oil • Inert Gasses • Steam • Water
Materials
St. St. Body & Spring Housing • St. St. Disc (EPDM, FKM, FFKM & PTFE option)
Set Pressure Range
0.2 to 40 bar
Temperature
Stainless Steel Disc : -270°C to 400°C (see datasheet for other materials)
Compliance & Approvals
TÜV Test Approval 2094 • BSEN ISO 4126-1
Contact Us455 – Goetze Stainless Steel Safety Relief Valve - Flanged- PDF DatasheetTUV Test ApprovalGoetze Valves

455 – Goetze Stainless Steel Safety Relief Valve - Flanged

852 – Goetze Bronze Safety Relief Valve – Flanged

The Goetze 852 safety relief valve has a bronze body with various seal options making it suiatble for various duties inluding seawater. This valve can be supplied either with open or closed cap. There is also an option with a bellows assembly. Supplied set to your requirements with a certificate confirming lift pressure at no additional cost.

Type
Side Discharge • Lever or Dome Top • Optional Bellows
Size & Connections
DN15 to DN100 • Flanged PN40 x 16
Duty
Air • Oil • Inert Gasses • Seawater • Steam • Water
Materials
Bronze Body & Spring Housing • NBR Disc (SS, EPDM, FKM, FFKM & PTFE option)
Set Pressure Range
0.5 to 25 bar
Temperature
NBR Disc : -30°C to 130°C (see datasheet for other materials)
Compliance & Approvals
TÜV Test Approval 2007 • BSEN ISO 4126-1
Contact Us852 – Goetze Bronze Safety Relief Valve - Flanged- PDF DatasheetTUV Test ApprovalGoetze Valves

852 – Goetze Bronze Safety Relief Valve - Flanged