The NABIC Fig 520 flanged valve has been designed primarily 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. 

• Resilient PTFE seating design
• Separate outlets reduce effects of back pressure
• High discharge capacity

Medium

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

Size Range

• DN65 - DN100

Pressure

• 0.4 - 12.5 bar

Material

• Gunmetal

Temperature

• -20 to 195°C

Connection

• Flanged inlet & screwed outlet