Nabic™ Series 500 Safety Relief Valve

The Figure 500 High Lift Safety Valve has been designed primarily for use on unvented hot water heating systems, where a high capacity, emergency steam relief capability is required.

High Capacity and resilient PTFE seating, also make the Fig 500 ideal for steam, air and inert gas applications. A PTFE to Viton® seating design is available where greater seal tightness is required.

The Figure 500 is constructed in gunmetal, with diapfragm protected working parts and PTFE tp metal seating. All wetted parts are manufactured from dezincification resistant materials, approved by the Water Regulations Advisory Scheme for use on potable water.

Standard inlet and outlet connections have female threads to BS 21, with the outlet connection one size larger than the inlet.

Technical Data Summary
Specification Features  
Body Material Gunmental/td>
Maximum Set Pressure 12.5 bar
Maximum Temperature 195°c
Design Features  
  Resilient PTFE Seating Design
  High degree of seat tightness
  Suitable for hot water, steam and air
  High discharge capacity
  Diaphragm protected working parts
  Safe manual testing
  Easy inspection and cleaning
  Pressure setting locked and sealed
  Designed and tested to BS 6759
Approvals  
  Capacities certified by AOTC
  Approved by Water Regulations Advisory Scheme
  UKWFBS Listed
Optional Features  
  Padlock available

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