Automatic Air Release Valves
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Product Specifications
| Air Capacity | 4.25-22.13 cumecs |
| Color | Dark gray |
| Compliance | Relevant standards |
| Features | Air removal, Efficiency boost, Corrosion reduction, Prevent cavitation, Easy installation |
| Material | Cast iron |
| Pressure Rating | 50 mwc |
| Size Range | 380-700 mm |
| Usage | Pipeline air removal, preventing vacuum, improving efficiency |
Product Overview
Key Features
Automatic Air Release Valves
The presence of free air in pipeline can reduce the severity of water hammer considerably. Celerity (Speed) of an elastic wave with, say 2% of air at a pressure head of 50 m of water reduces celerity from about 1100 m/ s to 160m/s for a typical pipe line. On the other hand air in a rising main, whether in solution or in bubble form can have number of ill effects
- Cavitation - The formation of vacuous cavities which subsequently rapidly collapse and erodes the pump or pipe
- Headloss - Accelerating water past air pockets formed in pipes, leading to head losses
- Other form amy include surging, corrosion, reduced pump efficiency, malfunctioning of valves or vibrations.
A pipeline designer therefore has to factor in all of aforesaid, the critical level of permissible vacuum inside a pipeline to prevent collage vis-a-vis the suction and discharge capacity of an air valve (Curves on Request) before deciding upon the type, size, spacing and location of these equipment.
Air Suction Capacity (Anti Vacuum Valves)
| Valve orifice Size (mm) | Branch Size (mm) | Depression Below Atmosphere (Mwc) | ||||||||
| 0.2 | 0.4 | 0.6 | 0.8 | 1 | 2 | 3 | 4 | 5 | ||
| 380 | 700 | Inflow of Rarefied Air (Cumecs) | ||||||||
| 4.25 | 5.92 | 7.31 | 8.50 | 8.61 | 15.09 | 16.45 | 19.96 | 22.13 | ||
Company Details
INDIAN VALVE (CALCUTTA) PRIVATE LIMITED is listed in Trade India's list of verified sellers offering supreme quality of Automatic Air Release Valves, Butterfly Valves, Check Valve, etc. Buy Valves in bulk from us for the best quality products and service.
Business Type
Manufacturer, Supplier
Employee Count
15
Establishment
1972
GST NO
19AAACI5949M1ZY
Certification
ISO 9001 : 2008
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Seller Details
GST - 19AAACI5949M1ZY
Kolkata, West Bengal
Manager
Mr. Anirban Sengupta
Address
33, Bhupendra Bose Avenue, Kolkata, West Bengal, 700004, India
air release valves in Kolkata
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