Caliper Overseas is a reliable Concentric Disc Butterfly Valve Manufacturer and Supplier in India, renowned for providing precision-engineered flow control solutions. A Concentric Disc Butterfly Valve is a quarter-turn valve in which the disc is located at the center of the pipe and turns on a central axis. It is designed for efficient and smooth regulation of flow, thus well suited for throttling and on/off applications. Our valves are produced according to BS 5155, API 609, ASME B 16.34, and ISO 5752 standards for maximum quality and performance.
The valves are commonly used in water treatment, HVAC, power plants, chemical industries, and so on. It features a compact size, low-pressure drop, and simple installation and maintenance. They have a robust construction that provides lasting performance even in harsh environments. For reliable and efficient flow control, select our Concentric Disc Butterfly Valves. Get in touch with us today for affordable high-quality valves.

| Design Standards | API 609/ ASME-B-16.34 / EN593 |
|---|---|
| Size Range | NPS 1 1⁄2” – 48” / DN 40- 1200 |
| Maximum Pressure/Rating | IVGK / IVTL 20 bar 150#, IVDF 16 bar PN16 |
| Design Temperature | -40°C to +180°C |
| End Connections | Wafer / Lug / Double Flanged |
| Valve Sizes | 2" (50mm) to 120" (3000mm) |
| Ratings | Class 150 , Class 300 ,Equivalent to DIN PN2.5, PN6, PN10, PN16, PN25, PN40 |
| Body Seat | IVGK – Replaceable / Bonded, IVTL / IVDF – Bonded to body |
| Body Materials | Carbon Steels inc. Low Temp Austenitic/ Super Austenitic Stainless steels Aluminium bronze Duplex/ Super Duplex alloys (1A-6A) Hastelloy® B, C, Inconel Monel®, Alloy 20 Others upon request |
| Face to Face | EN 558 / API 609 BS 5155 |
| Testing | BS-6755 Part-1/API-598/EN-12266 |
| Top Flange | ISO 5211 |
| Application & uses | Water distribution Water treatment Wastewater Dams Power plants Industry |
| 1. | Plate | POM |
| 2. | O-ring | EPDM rubber |
| 3. | Ring | POM |
| 4. | Body | Ductile iron GJS-500-7 (GGG-50) |
| 5. | Bearing | Bronze/PTFE composite |
| 6. | Shaft, drive | Stainless steel 1.4021 |
| 7. | Liner | EPDM rubber |
| 8. | Disc | Ductile iron GJS-500-7 (GGG-50) |
| 9. | Shaft, stub | Stainless steel 1.4021 |
| 10. | O-ring | NBR rubber |
| 11. | Plug | POM |
| 12. | Screw | Stainless steel A2 |
Concentric Disc Butterfly Valves in Distillery Plants
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