Nabic™ Series 500 Safety Relief Valve

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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