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PRODUCTS / Concentric Butterfly valves / Rubber Seated Butterfly valves
Jeongdo Machinery's Concentric Rubber Seated Butterfly Valves are available in Wafer, Lugged, Grooved, and Flanged types, depending on the connection method.
They are designed to suit a wide range of operating conditions and are applicable for various fluids such as water, ultrapure water, oil-free systems, seawater, and chemicals, as well as different pressure requirements.
Grooved Butterfly Valve is designed for weld-free piping systems and is suitable for seismic-resistant (anti-vibration) piping applications.
Through patents and utility models, the valve achieves bi-directional sealing, and its durability has been verified with certified reliability of materials and components.
Ease of Installation
: No need for additional bolting—over 50% faster installation compared to flange-type valves.
Stability
: Excellent resistance to seismic activity and vibration, with built-in flexibility for expansion and contraction of piping systems; suitable for seismic piping designs.
Ease of Maintenance
: Quick and simple coupling connection allows for easy maintenance and replacement.
| Design Standards | |
|---|---|
| Body Type | Grooved |
| Valve Design | MSS SP-67 |
| Grooved end | AWWA C606 |
| Face to Face | MSS SP-67 |
| Specfication | |
|---|---|
| Body Type | Grooved |
| Size | 1 1/4 " ~ 24" |
| Flange Connection | ASME 150 |
| PN 10/16 | |
| Temperature Range | EPDM (-20℃~120℃ ) |
| NBR (-10℃~80℃ ) |
| Material Option | |
|---|---|
| Body | Ductile Iron |
| DISC | A351-CF8 / CF8M |
| Stem | SS431 |
| Seat | EPDM |
| NBR |
