The NABIC 500F is ideal for use on unvented hot water heating systems, where a high capacity, emergency steam relief capability is required.

All wetted parts are manufactured from dezincification resistance materials. Designed and tested to BS EN ISO 4126 -1. 

• WRAS Approved
• High degree of seat tightness
• Diaphragm protected parts

Medium

• Hot water, steam, compressed air and inert gasses, Co2 (to 20°C), ethylene glycol, potable water

Size Range

• DN20 - DN65

Pressure

• 0.4 - 12.5 bar

Material

• Gunmetal

Temperature

• -20 to 195°C

Connection

• Flanged inlet & screwed outlet