989-00
Air valve of plastic
Material: |
Body: PA Float: PP Outlet elbow: PE with strainer For further components see parts list |
---|---|
Max. operating Pressure: | See table |
Medium | Sewage |
The air valve of plastic featuring the unique roll-on membrane technology (Ord. No. 989-00) is perfectly suitable for taking in and releasing of air during filling or draining of pipelines and for continuous in-service ventilation. The valve seat is not in contact with the medium.
The air valve operates continuously from 0 to 10 bar, reliably sealing when unpressurized. The sealing principle with roll-on membrane has a shock-absorbing effect.
The low weight af the air valve of PA allows an easy and quick installation. Moreover, via the clamp ring of stainless steel the valve can be quickly opened and closed in case of maintenance and/or cleaning.
Max. air release capacity: female thread 3" = 260 m³/h
Flansch DN 50, DN 80 = 166 m³/h
Operating range: 0-10 bar
Max. ventilation cross: 480 mm²
Special functions on request:
- Air intake only or air release only
- With outlet elbow for connecting a Hawle exhaust air kit for air valves
Order Nr.
|
Flange DN |
Operating pressure max. |
Female thread (IG) |
B |
B1 |
H |
H1 |
Medium | Weight | Specification | Basket |
---|---|---|---|---|---|---|---|---|---|---|---|
9891050010
|
50 | Waste water: 10 bar | 291 mm | 55 mm | 500 mm | 475 mm | 11,00 kg | ||||
9891060010
|
Waste water: 10 bar | 3" | 291 mm | 55 mm | 460 mm | 435 mm | 5,12 kg | ||||
9891080010
|
80 | Waste water: 10 bar | 291 mm | 55 mm | 495 mm | 470 mm | 13,50 kg |
Technical Documents
|
---|
Partlist - Air release valve 989-00 |
Operating instructions
|
---|
Operating and Maintenance Instructions - Air Valve for Sewage of Plastic |
Article Nr.
|
Product description |
---|---|
986-01 | Air release stop for air valve „986-00“, "989-00", "989-01" and air valve set "985-00" |
986-02 | Indicator plate |
986-03 | Exhaust air kit with hose for air valve 985-01, 986-00, 989-01 |