Economy brass or bronze BSP pressure-relief valves with a stated 2–9 bar adjustment range. Match size, discharge capacity and system duty.

Available variants

• ¾ in BSP: brass body
• 1 in BSP: brass body
• 1½ in BSP: bronze body
• 2 in BSP: bronze body
• Manufacturer-stated adjustment range: 2 to 9 bar
• Metal seat

Select the valve using the required thread size, set pressure, discharge capacity, temperature and fluid compatibility. Pressure-relief equipment should be selected, installed and commissioned by a competent person. Route any discharge safely and do not assume suitability for potable water or a regulated safety duty without the required approval documentation.