Double Orifice Air Relief Valve – VA910
Specification
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Automatically releases accumulated small volumes of air during normal pressurized system operation
Automatically releases accumulated small volumes of air during normal pressurized system operation
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Rapidly exhausts large volumes of air during pipeline filling and system start-up
Rapidly exhausts large volumes of air during pipeline filling and system start-up
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Allows large volumes of air to enter the pipeline during draining or negative pressure conditions
Allows large volumes of air to enter the pipeline during draining or negative pressure conditions
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Provides protection against pipeline collapse caused by vacuum conditions
Provides protection against pipeline collapse caused by vacuum conditions
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Maximum Working Pressure: 16 bar (232 psi)
Maximum Working Pressure: 16 bar (232 psi)
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Flanged connection to EN 1092-2, PN16
Flanged connection to EN 1092-2, PN16
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Large and Small Float Balls: Stainless Steel 304
Large and Small Float Balls: Stainless Steel 304
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Seat: EPDM/NBR
Seat: EPDM/NBR
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Internal and external Fusion Bonded Epoxy (FBE) coating
Internal and external Fusion Bonded Epoxy (FBE) coating
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Suitable for water supply, HVAC and water distribution systems
Suitable for water supply, HVAC and water distribution systems
