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Binhai Industrial Park, Longwan District,
Wenzhou, China
+86 13186832570
 +86 577 86918749
 +86 13185861763
 rowan@newtekindustry.com
 Binhai Industrial Park, Longwan District, Wenzhou, China
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Stainless Steel DN50 Pressure Vacuum Valve

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Pressure-vacuum valve is a valve designed to maintain atmospheric pressure inside the tank while it is being filled or emptied, it is widely used in the food-processing, wine-making, cosmetics and chemical industries as well as in the beverage and oil production.

Operating principle

The pressure-vacuum valve is designed to breathe in while the tank is being emptied to equal the pressure inside and outside the tank and protect the tank from vacuum. When the tank is being filled, the  pressure-vacuum valve allows air to come out, thus avoiding excess pressure inside the tank which would cause the tank to swell.


Design and features

Available sizes: 3/4",1",1.5",2",2.5",3" or DN15-DN65
Easy disassembly.
Compact design.
Standard connections: G or BSPT or NPT thread (ISO 228).


Materials

Stainless steel parts AISI 316L
Spring AISI304
PTFE cap
Gasket NBR

排气阀 (12)


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