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| Products |
| AIR RELEASE VALVES |
| Double Orifices Air Release Valve |
| Suitable medium： |
water、sea water |
| Main material： |
grey cast iron,ductile cast
iron,alloy cast iron,carbon steel |
| Suitable temprature: |
≤80℃ |
Nominal pressure：
|
PN2.5-25bar |
| Nominal diameter： |
DN50-DN200mm |
| Flange dimension： |
BS4504 ISO2531,ISO7005
and other standards conforming to the requirements |
|
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MATERIALS OF MAIN PARTS
Name of parts |
Material of parts |
Body, gate |
Cast iron/ductile iron/carbon steel |
Cover |
Steel |
Float |
Stainless steel |
Stem |
Stainless steel |
Sealing ring |
Rubber |
|
| There is one large and one small orifices.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 sup-plying.The main
pipeline is DN400-1600mm. |
|
【Main size, connection size and weight】 |
DN(mm) |
Connection outform size(mm) |
双口法兰式适用介质 |
D |
H |
H1 |
L |
40 |
145 |
355 |
215 |
370 |
水 |
50 |
160 |
355 |
215 |
370 |
水 |
75 |
195 |
360 |
225 |
430 |
水 |
100 |
215 |
360 |
225 |
430 |
水 |
150 |
280 |
380 |
230 |
510 |
水 |
200 |
335 |
430 |
320 |
680 |
水 |
300 |
390 |
540 |
360 |
825 |
水 |
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