1.1 GENERAL DESCRIPTION
Safety valve model ZV is a high lift safety valve with stainless steel seat, valve body and internals suitable for use on steam, air and water. ZV is a pressure relief valve actuated by rapid opening or pop-action.
1.2 MECHANICAL SPECIFICATIONS
Available sizes : 20mm (under development)
25mm ( G Orifice )
40mm (J Orifice )
End connections : screwed BSPT
Limiting conditions :
Min. blow off pressure 1.0 bar g
Max. blow off pressure 14 bar g
1.3 OPERATING PRINCIPLE
The safety valve is normally set at a pressure 10% higher than the system’s working pressure. This is referred to as the set pressure, at which the Steam release begins.When the system pressure reaches blow off pressure the safety valve Opens to full lift and discharges at full capacity.The valve closes at reset pressure.
1.4 Manufactured and Tested as per ISO-4126-1.Third Party inspection by Bureau Varits.