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Double Ball Air Valve

 

DNDN50—DN200
Nominal pressure (MPa): PN1.0—1.6Mpa
Medium: Fresh water, sewage, sea water, weak acid,weak base etc
Temperature: -20℃—120℃
Body material: cast iron, ductile iron
Flange connection: DIN PN10.PN16, ANSI150,BS4504

Categories

Tel: +86 18538315922
Fax: +86-371-55883235
E-mail: weisidun@wsdvalve.com
Address: ZhengZhou,HeNan,China.

 

Features:

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.

Parameters

WeiSiDun Group

WeiSiDun Group

WeiSiDun Group

DN D D1 D2 L b H f Z-d
50 165 125 99 468 20 388 3 4-19
60 175 135 118 468 20 388 3 4-19
65 185 145 118 468 20 388 3 4-19
80 200 160 132 468 22 388 3 8-19
100 220 180 156 555 24 472 3 8-19
125 250 210 184 555 26 472 3 8-19
150 285 240 211 742 26 550 3 8-23
200 340 295 266 850 30 620 3 12-23

 

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