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Double Orifices Automatic Air Vent Valve
  • Double Orifices Automatic Air Vent Valve

Double Orifice automatic air vent valve is used in the industrial pipelines to release the air in the pipeline quickly.

Details

Applications:

Double Orifice automatic air vent valve is used in the industrial pipelines to release the air in the pipeline quickly, so as to improve the transmitting efficiency and prevent pipelines being broken and out of shape.

Characteristics:

1. Release the air in the pipelines, reduce the resistant force and save energy.

2. Suck the air automatically and quickly so as to prevent the pipelines being broken while the backpressure is higher.

3. The air vent ability is better than the normal air vent valves

4. Stainless steel floating ball and supporting ring can make it reliable and can be used longer.

 

Double Orifices Automatic Air Vent Valve Specifications: 

 

Suitable medium:

water、sea water 

 

 

Main material:

grey iron, ductile
iron, carbon steel 

Suitable temperature: 

≤80℃

Nominal pressure:

PN10/PN16

Nominal diameter:

DN50-DN300mm

Flange dimension:

BS4504 ISO2531,ISO7005
and other standards conforming to the requirements

 

 Design of Double Orifices Automatic Air Vent Valve:

  Face to face is according to ISO STANDARD

  Flange drilled is according to DIN,BS,JIS,ANSI etc

 

 

Test of  Double Orifices Automatic Air Vent Valve:

 

Working pressure

PN10/PN16

Class125/150

Shell pressure

PN15/PN24

300PSI

Seat pressure

PN11/PN17.6

200PSI

 

 

MATERIALS OF MAIN PARTS:

 

Name of parts

Material of parts

Body, gate

grey iron/ductile iron/carbon steel

Cover

grey iron/ductile iron/carbon steel

Float

Stainless steel

Stem

Stainless steel

Sealing ring

Rubber

 

 

Remarks: There is one large and one small orifice. The large one is used to intake and release large amount of air and the small one is used to

 release the air during the course of water supplying. The main pipeline is DN400-1600mm.

 

Main size, connection size and weight of Double Orifices Automatic Air Vent Valve:

 

DN(mm)

Connection outform size(mm)

The suitable medium for flanges 

 

H1 

 

40 

145 

355 

215 

370 

water

50 

160 

355 

215 

370 

water

75 

195 

360 

225 

430 

water

100 

215 

360 

225 

430 

water

150 

280 

380 

230 

510 

water

200 

335 

430 

320 

680 

water

300 

390 

540 

360 

825 

water

 

 

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