Zhejiang TongJiang Holdings Company
Corporate Philosophy: Concentrate on Valve Industry, Serve our customers Corporate Vision: To be the first class valve industry
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Air Release Valve of Automatic Double Ball, Flanged PN 40 Bar, Cast Steel
PRODUCT INTRODUCTION
1. Appication
The double ball automatic air valves are used for applications related to troubles with air in the pipelines. Minimum pressure on seat: 0,3 bar.The double ball air valves have three functions:
2. Design & Construction
Flanges: UNI EN 1092-2 PN 10-16-25 - 40
Installation: at the high part of pipelines
APPLICATIONS • Aqueducts • Irrigation plants
- Fig. 701: flanges PN 10-16
- Fig. 710: flanges PN 25-40
- Fig. 711: flanges PN 64
Epoxy paiting suitable for drinking water applications.
3. Double Ball Automatic Air Valves Material
| Body | Ductile iron GGG40/50, EN-GJS-400/500 |
|---|---|
| Cover | Ductile iron GGG40/50, EN-GJS-400/500 |
| Floating balls | ABS / stainless steel |
| Gasket | EPDM |
| Painting | Epoxy |
4. Valve Drawing and Datasheet
| DN | A mm. | B mm. | D mm. PN 10/16/25 | Weight kg. |
|---|---|---|---|---|
| 50 | 290 | 290 | 150 | 14.5 |
| 65 | 290 | 330 | 165 | 15 |
| 80 | 290 | 36 | 185 | 19 |
| 100 | 360 | 335 | 200 | 26.5 |
| 150 | 490 | 535 | 285 / 300 | 58.5 |
| 200 | 570 | 560 | 340 / 360 | 125 |
| 250 | 450 | 520 | 405 / 425 | 130 |
| 300 | 490 | 520 | 460 / 485 | 160 |
| DN | Nominal pressure | Test pressure Mpa | Max working pressure Mpa | |
| mm | BAR | body | seat | 40°C |
| 50-300 | 16 | 2,4 | 1,76 | 1,6 |
| 50-300 | 25 | 4,0 | 2,75 | 2,5 |
| DN of pipeline | DN of air valve |
| < 200 mm | DN 50 |
| 200 mm - 250 mm | DN 80 |
| 300 mm - 500 mm | DN 100 |
| 600 mm - 900 mm | DN 150 |
| 1000 mm - 1200 mm | DN 200 |
| > 1200 mm | DN 250 o 2 x DN 200 |
If you require other sizes and valve design standards, please send email to angela@tjfmcn.com to get the drawing.
5. Valve Packing with Plywood
Please feel free to contact with us at angela@tjfmcn.com or filling up an enquiry form instructed at the bottom.
You will get an effective response within 24 hours from TongJiang Team.
COMPANY PROFILE
floa
1. Our Factory
30 years experience of valve and pipeline industry.
10 senior technical engineers
20000 m2 production area
More than 100 employees to provide professional service.
As the reliable OEM for famous valve brand companies.
t ball valve
2. Factory Show
TONGJIANG Valve Technology Company was established for 30 years.
There are more than 100 employees which includes 10 professional engineers.
OUR SERVICE float ball valve
Reliable Quality, Competitive Price
Reply your inquiry in 2 hours with professional service.
Miss Angela
Mobile: +86 13588429004(Whatsapp)
Skype: angelazhuo1
E-mail: angela@tjfmcn.com
Tel No: +86 571 86991717
Official Website: www.zjtjvalve.com