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Nabic Safety Relief Valves


Nabic Safety Relief Valves

 

One of the UK’s leading manufacturer’s of safety relief valves, NABIC have long been recognized as the industry standard for commercial and industrial hot water applications.

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

500 – Nabic High Capacity, High Lift Safety Relief Valve

The Nabic 500 safety valve is an extremely versatile valve, suitable for use on hot water, steam or air. Although designed primarily or use on un-vented hot water heating systems, where a high capacity, emergency steam relief capability is required, it is also an ideal general purpose safety valve. Supplied set to your requirements with a certificate confirming lift pressure at no additional cost.

Type
High Capacity • Full Lift • 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
0.4 to 12.5 bar (dependent on size)
Temperature
 -20°C to 195°C
Compliance & Approvals
BS6759 • BSEN ISO 4126 • WRAS (1 bar and above)
Buy 500 – Nabic High Capacity, High Lift Safety Relief Valve500 – Nabic High Capacity, High Lift Safety Relief Valve - PDF DatasheetCertificated to BS6759 StandardsWRAS Approved Product (EPDM Trim only)Nabic Valves

500 – Nabic High Capacity, High Lift Safety Relief Valve

500T – Nabic Temperature & Pressure Safety Relief Valve

The 500T pressure & temperature relief valve has been designed for use on unvented hot water supply systems, where protection against excess temperature is required in addition to pressure protection. Pressure and temperature elements of the valve operate independently, thereby providing dual safety protection in the one valve. Supplied set to your requirements with a certificate confirming lift pressure at no additional cost.

Type
Pressure & Temperature Relief • Side Discharge • Easing Lever
Size & Connections
15mm (1/2″) to 50mm (2″) BSP
Duty
Hot Water
Materials
Bronze Body • PTFE Seat Seal (Viton option)
Set Pressure Range
0.4 to 12.5 bar (dependent on size)
Lift Temperature
Approx. 90°C to 95°C (preset, not adjustable)
Compliance & Approvals
BS6283 • BSEN ISO 4126 • WRAS (1 bar and above)
Buy 500T – Temperature & Pressure Safety Relief Valve500T – Temperature & Pressure Safety Relief Valve - PDF DatasheetWRAS Approved Product (EPDM Trim only)Nabic Valves

500T – Temperature & Pressure 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