Safety Valve Pop Type-ZV
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 which is 10% above the working pressure of the system. This is referred to as the set pressure, at which the oozing of the steam starts.When the system pressure reaches blow off pressure the safety valve opens to its full lift to discharge full capacity. The valve closes at reset pressure.
1.4 Manufactured and Tested as per ISO-4126-1.Third Party inspection by Bureau Varits.