Automatic exhaust valve
Features:
Nominal Pressure: 1.0,1.6MPa
DN: 50~200mm
Medium: Water
Work temperature: ≤120℃
Design Standard : BS5163
Flange Standard : BS EN 1092
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Parameter:
| DN | D | D1 | D2 | L | b | H | Z-d |
| ф50 | ф165 | ф125 | ф99 | 240 | 20 | 211 | 4-ф19 |
| ф65 | ф185 | ф145 | ф118 | 256 | 20 | 211 | 4-ф19 |
| ф80 | ф200 | ф160 | ф132 | 305 | 22 | 261 | 8-ф19 |
| ф100 | ф220 | ф180 | ф156 | 328 | 24 | 269 | 8-ф19 |
| ф150 | ф285 | ф240 | ф211 | 392 | 26 | 320 | 8-ф23 |
| NO | PART NAME | MATERIAL | STANDARD |
| 1 | BODY | GRAY GAST IRON | BS1452.220 |
| 2 | BIG FLOAT BALL | ABS | |
| 3 | LITTLE FLOAT BALL | ABS | |
| 4 | GASKET | NBR | BS2494 |
| 5 | COSKET | GRAY CAST IRON | BS1452.220 |
| 6 | GASKET | NBR | BS2494 |
| 7 | COVER | GRAY CAST IRON | BS1452.220 |
| 8 | BOLT | CARBON STEEL | BS1769 |
| 9 | MILIPAD | NYL | |
| 10 | BOLT | STAINLESS STEEL | 2Cr13 |
Standards&Features:
| Part Material | |||||||||||||||||||||||
| NO. | PART NAME | Material | |||||||||||||||||||||
| 1 | Body & Bonnet | Ductile Iron | |||||||||||||||||||||
| 2 | Baffle | Ductile Iron | |||||||||||||||||||||
| 3 | Float Ball | Stainless Steel 304 | |||||||||||||||||||||
| 4 | Seal Ring | EPDM | |||||||||||||||||||||
| 5 | Air Release Valve | Assembly |
Case:
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; 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.
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