993-00
Air valve set for potable water

This air valve set consists of a shaft with a shut-off facility and an air valve. Due to its compact design, the AVS replaces complex and high-maintenance manhole constructions. All maintenance and repair work can be carried out from the terrain surface, thus avoiding the dangers possibly related with the access of manholes. We recommend the installation of a seepage hose (Ord. No. 490-04) in combination with seepable backfilling.

The air valve featuring the patented roll-on diaphragm technology is perfectly suitable both for taking in and releasing high amounts of air during fi lling or draining of pipelines and for releasing major amounts of air under operating pressure. The AV operates continuously from 0 to 16 bar, perfectly sealing even in unpressurized condition. The sealing principle with a roll-on diaphragm helps to absorb pressure surges. Due to the high air intake capacity, the AV is additionally provided with effective vacuum protection.

The shut-off unit included in the BEG can be opened and closed from the road surface with the help of a valve key according to DIN 3223.

Max. air release capacity: 770 m3/h
Max. release cross section: 1.500 mm2
Cross section of in-service ventilation: max. 200 mm2
Working range: 0 -16 bar

Special functions on request:
• With closing aid for more active closing (e.g., for well pipes between the pump and water preparation, high-level tank or pure water container, well mouth, for venting the pressure line)
• Air release
• flood protection

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Material: Manhole: PE-HD pipe
Socket: GJS-400, Hawle epoxy powder coating
Cover: PE-HD
Body air valve: stainless steel
Max. operating Pressure: 16 bar
Medium Water

This air valve set consists of a shaft with a shut-off facility and an air valve. Due to its compact design, the AVS replaces complex and high-maintenance manhole constructions. All maintenance and repair work can be carried out from the terrain surface, thus avoiding the dangers possibly related with the access of manholes. We recommend the installation of a seepage hose (Ord. No. 490-04) in combination with seepable backfilling.

The air valve featuring the patented roll-on diaphragm technology is perfectly suitable both for taking in and releasing high amounts of air during fi lling or draining of pipelines and for releasing major amounts of air under operating pressure. The AV operates continuously from 0 to 16 bar, perfectly sealing even in unpressurized condition. The sealing principle with a roll-on diaphragm helps to absorb pressure surges. Due to the high air intake capacity, the AV is additionally provided with effective vacuum protection.

The shut-off unit included in the BEG can be opened and closed from the road surface with the help of a valve key according to DIN 3223.

Max. air release capacity: 770 m3/h
Max. release cross section: 1.500 mm2
Cross section of in-service ventilation: max. 200 mm2
Working range: 0 -16 bar

Special functions on request:
• With closing aid for more active closing (e.g., for well pipes between the pump and water preparation, high-level tank or pure water container, well mouth, for venting the pressure line)
• Air release
• flood protection

Contacts
Wish List
Order Nr.
*)
Working range
Pipe cover depth
Connection
B
H
 Medium Weight Specification Basket
9931080100
 1) 0 - 16 1,00 Spigot end DN 80 280 mm 878 mm 28,00 kg
9931080125
 1) 0 - 16 1,25 Spigot end DN 80 280 mm 1128 mm 30,00 kg
9931080150
 1) 0 - 16 1,50 Spigot end DN 80 280 mm 1378 mm 32,50 kg
9931080175
 1) 0 - 16 1,75 Spigot end DN 80 280 mm 1628 mm 0,01 kg
9932050100
   0 - 16 1,00 Flange DN 50 280 mm 815 mm 0,01 kg
9932050125
   0 - 16 1,25 Flange DN 50 280 mm 1065 mm 0,01 kg
9932050150
   0 - 16 1,50 Flange DN 50 280 mm 1315 mm 31,10 kg
9932050175
   0 - 16 1,75 Flange DN 50 280 mm 1565 mm 0,01 kg
9932080100
   0 - 16 1,00 Flange DN 80 280 mm 815 mm 26,40 kg
9932080125
   0 - 16 1,25 Flange DN 80 280 mm 1065 mm 30,00 kg
9932080150
   0 - 16 1,50 Flange DN 80 280 mm 1315 mm 34,00 kg
9932080175
   0 - 16 1,75 Flange DN 80 280 mm 1565 mm 0,01 kg
Wish List
1)
For version with BAIO® spigot end, a dirt cover and locking ring (Ord. No.: 490.080.0800) must be used.

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