LGS Safety Relief Valve with Lever

SKU: L3615A3277-0.5
Set Pressure
Regular price £186.31
Regular price £189.63 Sale price £186.31
Delivery times are a guide and are subject to stock availability


The LGS safety relief valve is design for use with liquid, gas and steam applications.

With a bronze body, dzr brass wetted parts, stainless steel spring, spindle and seal retainer.

The valves are manufactured in the UK and are WRAS approved, and are CE marked for PED category 4, modules B and D in accordance with BS EN ISO 4126.

We have selected some of the common set pressures, but if you require a different setting contact sales or leave a note in the checkout process


• Bronze body with dezincification resistant brass wetted parts; stainless steel spring, spindle and seal retainer
• Size range DN15 to DN65 (½” BSP to 2½ ” BSP)
• Pressure Range: 0.2 to 24 bar g. (steam up to 14 bar g. with PTFE seals, contact Seetru for information on other seals)
• Temperature Range: -60°C to +200°C (with PTFE seals (EPDM -45°C to +140°C)
• Degrease for oxygen available on request
• PTFE or EPDM sealing as standard (other seal materials available upon request)
• Easy to fit spares kit
• Self-draining design
• Adaptors available to give male connections
• Open Lever or Sealed Cap
• Designed in accordance with the requirements of BS EN ISO 4126 Part 1 and CE marked as a Category IV Safety Accessory
• WRAS approved
• Supplied with Declaration of conformity, EN 10204 3.1 material certification available on request
• Test certificate supplied free of charge


The LGS Safety Relief Valves is suitable for the following applications:

• Hot water, including boilers (vented and unvented)
• Steam boilers and steam plants
• Pump and thermal relief
• Bypass relief
• Process liquids and gases
• Pressure vessels and lines
• Heating and cooling systems
• Heat exchangers and industrial cooling systems
• Refrigeration systems
• Pressure booster systems
• Solar power systems
• District heating systems
• Water supply systems
• Sewage systems
• Pressure control and regulation
• Chemical plants
• District heating systems
• Ship building and marine applications


Download the LGS Safety Relief Valve Datasheet

General Delivery Time: 2 working days
These are an equivalent to: