Anti-Siphon Vaccum Breaker

Anti-Siphon Vaccum Breaker

100-300000 INR/Unit

Product Details:

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Anti-Siphon Vaccum Breaker Price And Quantity

  • 100-300000 INR/Unit
  • 1 Unit

Anti-Siphon Vaccum Breaker Trade Information

  • 100 Unit Per Month
  • 1 Week

Product Description

Anti-Siphon Vaccum Breaker

HYDRAULIC FEATURES
The anti-siphon vacuum breaker is an inlet air-logged pressurized valve which opens when there is a pressure drop. The internal obturator disc is normally closed when the water in the valve is at a pressure equal or greater than the atmospheric pressure. The valve opens to permit air to enter, in case the water inlet pressure is lower than the atmospheric pressure and closes completely when the water flow returns to normal pressure. This device is used to avoid siphoning during draining phases in hydraulic plants. In systems that are not permanently connected to the water main, such as water distribution plants, this device keeps contaminated water from returning to the drinking water supply system. The CR brass body renders this device inert to the dezincification phenomenon. This device can be used in conditioning plants, sanitary installations for water supply outside buildings, according to EN 805, sanitary installations for water distribution inside buildings following EN 806-1, and irrigation systems. This product adheres to the standards set forth by the European health authorities for the transport of alimentary fluids and potable water.
TECHNICAL FEATURES
Pressure : 
Maximum allowable working pressure (PN) 16 bar
Preset nominal pressure (Pnr) 0.2 bar (Grade A according to EN 12266-1)
Temperature : 
Working temperature (TS)  from 0 C (excluding ice) to 110 C
Compatible fluids : 
Heat transfer fluids in compliance with Italian national standards (UNI 8065 6)
Glycolate solutions (glycol)  50%
Threading : 
Pipeline connection Threads according to ISO 228/1
Requirements and tests as per : 
Air vents, air return function EN 1074-4
Body pressure tightness EN 1982 B7
Seat tightness EN 1074-4 5.2.2
Pressure resistance EN 1074-4 5.1.1
Protection against pollution EN 1717
Protection unit family L type A
Categories of fluids EN1717 list 2
DESIGN
Design Cast bronze body EN 1982 - CB491K
Plug and valve in brass  EN 12164 - CW614N
Seat gaskets SILICONE 40 Sh
O-ring  NBR RUBBER
fig-1:

 

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