Product Features & Overview
The Nabic Fig 500F Flanged High Lift Safety Valve offers emergency steam relief capabilities on unvented hot water heating systems. These high-quality valves are designed and tested to BS EN ISO 4126-1 standard and are fully WRAS Approved. Dezincification resistance materials are used in the construction of all wetted parts.
A high level of seat tightness is attained thanks to the valve's resilient PTFE seating. The 500F has a very high discharge capacity, has diaphragm protected parts and offers easy cleaning and inspection. Sizes DN32 and above are fitted with a drain plug. Viton seat design and padlocks are available as extra features on request.
The Nabic 500F range come with their pressure setting locked and sealed - you can specify your desired set pressure via the menu to the right. To confirm set pressure, the valve is thoroughly shell and seat tested, and supplied with a tamper-proof seal.
The 500F series suits most flange standards, has flanged inlet pipe connections on size DN20 upwards and a Threaded female outlet connection Rp (BSP) to BS EN 10226-1.
Pressure / Temperature Rating
- Pressure Range: 0.4 to 12.5 Bar
- Temperature Range: -20°C to 195°C
- Medium: Hot water, steam, compressed air and inert gasses, CO2 (to 20C), ethylene glycol, potable water.