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Single Air Valve
Features:
DN： DN40—DN150
Nominal pressure (MPa): PN1.0—1.6Mpa
Medium： Fresh water, sewage, sea water, weak acid,weak base etc
Body material： Grey cast iron, ductile iron
Flange connection: DIN PN10.PN16, ANSI150,BS4504
Temperature： -20℃—120℃
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Product parameter:
| DN | D | D1 | D2 | b | H | Z-d | W |
| ф40 | ф110 | ф110 | ф84 | 18 | 224 | 4-ф19 | ф166 |
| ф50 | ф165 | ф125 | ф99 | 20 | 236 | 4-ф19 | ф178 |
| ф65 | ф185 | ф145 | ф118 | 20 | 244 | 4-ф19 | ф199 |
| ф80 | ф200 | ф160 | ф132 | 22 | 248 | 8-ф19 | ф202 |
| ф100 | ф220 | ф180 | ф156 | 24 | 284 | 8-ф19 | ф233 |
| ф150 | ф285 | ф240 | ф211 | 26 | 324 | 8-ф23 | ф282 |
| NO | PART NAME | MATERIAL | STANDARD |
| 1 | BODY | CAST IRON | BS1452.220 |
| 2 | BUCKET | CAST IRON | BS1452.220 |
| 3 | BALL FLOAT | ABS | |
| 4 | GASKET | NBR | |
| 5 | INSIDE COVER | CAST IRON | BS1452.220 |
| 6 | BOLT | CARBON STEEL | BS1769 |
| 7 | OUTSIDE COVER | CAST IRON | BS1452.220 |
| 8 | BOLT | CARBON STEEL | BS1769 |
Adoptive standards:
Diameter：DN40—DN150
Pressure：PN1.0—1.6MpaMedium：Fresh water, sewage, sea water, weak acid,weak base etc
Temperature：-20℃—120℃
Body material： Grey cast iron, ductile iron
Flange connection:DIN PN10.PN16, ANSI150,BS4504
Features:
In pipeline water hammer negative, air valve opening, so that the tube Daowai air into the pipeline, lest in the pipe produced larger negative pressure, play a protective role; operation of pipeline system, when the pipeline internal pressure or temperature changes and dissolved in the water of the air is released, air valves will be the timely discharge, prevent pipeline in formation of gas and affect the operation of the pipeline system.
Application:
In pumping station pressure tank tops and the water pipe on the installation of air valve for water conveyance pipeline during the initial water filling, regular maintenance of pipeline after water filling the air inside the pipeline to discharge, avoid pressure fluctuations.
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