Caliper Overseas is a leading Air Valve Manufacturers and Suppliers in India providing superior solutions for industrial and water pipeline system. An air valve is a device designed to release trapped air and maintain a vacuum free environment in the pipelines. It is available in air and vacuum valves, automatic air release valves and combination air valves, each specifically designed to ensure smooth fluid flow while securing the system from pressure problems.
These air valves are renowned for their corrosion resistance, heavy-duty construction, leak-tight operation and long life. They are easy to install, require low maintenance and work even under high pressure. Fast air release and improved system efficiency are ensured by carefully engineered designs. They are ideal for clean water and wastewater applications.
Require effective air valves with long-lasting performance? Call us now!

| Design Standards | ASME B16.34; DIN 3202; BS 5156 |
|---|---|
| Class Range | ANSI 125LB/ 150LB/ PN10/ PN16 |
| Size Range | 50 mm to 200 mm (1/2", 3/4", 1", 2", 3" NPT; 6" #125 Flg) |
| Pressure Rating | PN 10, PN 16 (150 psi, 175 psi, 300 ps) |
| Handling sewage | up to 5000 ppm |
| Temperature Range | Water to 180°F |
| Body and Cover | Ductile Iron ASTM A536 65-45-12 |
| Orifice Button | EPDM |
| External Cover Bolts | ASTM F593 316SS |
| Application & uses | Sewage and Sewage Pipelines Wastewater and wastewater pumping stations Residual and sewage water Municipal and industrial wastewater treatment plants Food Processing, Pharmaceutical and Brewing Systems |
| 1. | Body | PA, reinforced |
| 2. | Rolling seal | EPDM rubber |
| 3. | Clamping key | PA, reinforced |
| 4. | Float | PP |
| 5. | O-ring | NBR rubber |
| 6. | Base | PA / brass |
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