Offset Disc Butterfly Valve
Product Range
Offset Disc Butterfly Valve
Flow-Tek Butterfly Valves offer the perfect balance of economical design and reliable performance, making them an ideal choice for commercial, HVAC, and industrial applications.
The wafer-style body features a universal design that fits between most popular pipe flange standards, and is also available with flanged end connections for added versatility.
Operation Options
Lever / Gear / Pneumatic Actuator / Pneumatic Cylinder / Electrical (Motorized) Actuator / Manual Override Arrangement with Pneumatic & Electrical Actuator.
Applicable Standard
| Design Standard : | BS 5155 / API 609 / IS 13095 |
| Face to Face : | BS 5155 / API 609 / IS 13095 (Wafer Short) |
| End Connection : | Wafer Type / Lug Type / Flanged End to suit ANSI / DIN / BS / JIS / IS etc. |
| Testing Standard : | BS 5155 / BS 6755 (Part I) / API 598 / IS 13095 |
Seat Temperature Ratings: (For Resilient Seated Butterfly Valves)
| MATERIAL | TEMPERATURE RATINGS OC (OF) |
| EPDM (2" - 16") | -34 To 107 (-30 to 225) |
| EPDM (18" & Larger) | -34 To 107 (-30 to 225) |
| PTFE | 4 To 121 (40 to 250) |
| BUNA - N | -12 to 82 (10 to 180) |
| NEOPRENE | -6 to 93 (20 to 200) |
| HYPALON | -17 to 135 (0 to 275) |
| VITON | -12 to 135 (10 to 275) |
| HIGH TEMPERATURE (VITON) | -12 to 204 (10 to 400) |
Features
- Smart Offset Disc Design for smooth operation and low torque
- Encapsulated Resilient Seal—adjustable and easily replaceable for hassle-free maintenance
- One-Piece Seal Retaining Ring for extra durability
- Optional Metal-to-Metal Seating for heavy-duty applications
- Flexible Shaft Orientation: Horizontal standard, vertical optional
- Premium Materials: SS 304 standard for body seat and seal ring, with other materials available on request
- Perfect for Throttling to control flow efficiently
- Low Head Loss ensures smooth and efficient flow
- Face-to-Face Dimensions designed to match international standards
- Flanges built to comply with international specifications
- Operation Options: Comes standard with worm gear; other actuation options available
- Size Range: 50 NB to 1200 NB (larger sizes available on request)
Applications
- Municipal Water Systems
- Industrial Power Plants
- Sewage Treatment Facilities
- Manufacturing & Process Industries
- Chemical & Petrochemical Plants