Pressure Relief ValvesThese weight operated valves are constructed of Glass and PTFE 
Blow- off pressure should be specified when ordering However, blow-off pressure can be varied by adjusting the location of weight. Contact UsShiva Scientific Glass Pvt. Ltd.GH-8/350, Paschim Vihar,New Delhi-110087(INDIA) P : + 91 - 11 - 25261137 M : + 91 - 93101 85023, 98101 85023 E : boro.scientific@gmail.com W : www.shivascientificindia.com 
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