Flange Connection Double Eccentric Butterfly Valve
Product Detail
| Size & Pressure Rating & Standard | |
| Size | DN40-DN2200 |
| Pressure Rating | PN10, PN16, CL150, JIS 5K, JIS 10K |
| Face to Face STD | API609, BS5155, DIN3202, ISO5752 |
| Connection STD | PN6, PN10, PN16, PN25, 150LB, JIS5K, 10K, 16K, GOST33259 |
| Upper Flange STD | ISO 5211 |
| Material | |
| Body | Cast Iron(GG25), Ductile Iron(GGG40/50), Carbon Steel(WCB A216), Stainless Steel(SS304/SS316/SS304L/SS316L) |
| Disc | DI+Ni, Carbon Steel(WCB A216), Stainless Steel(SS304/SS316/SS304L/SS316L) |
| Stem/Shaft | SS416, SS431, SS304, SS316, Duplex Stainless Steel, Monel |
| Seat | NBR, EPDM/REPDM, Viton, Silicon |
| Bushing | PTFE, Bronze |
| O Ring | NBR, EPDM, FKM |
| Actuator | Gear Box, Electric Actuator, Pneumatic Actuator |
Product Display
Product Advantage
Structure of Double Eccentric Butterfly Valve:
Double eccentric butterfly valve also named double offset butterfly valve, it has two offsets.
- 1st is the axis of the shaft deviate from the center of the disc;
- 2nd is the axis of the shaft deviate from the pipeline center.
Advantages of Double Eccentric Butterfly Valve:
-Durability: Double eccentric design minimizes disc-seat contact, extending valve life.
-Low Torque: Reduces actuation effort, enabling smaller, cost-effective actuators.
-Versatility: Suitable for high-pressure, high-temperature, or corrosive media with proper material selection.
-Easy Maintenance: Replaceable seats and seals in many designs.
The suitable application for double offset butterfly valve is: working pressure under 4MPa, working temperature under 180℃ as it has a rubber sealing surface.
| Industry | Specific Applications |
|---|---|
| Chemical | Handling caustic, corrosive, dry chlorine, oxygen, toxic substances, and aggressive media |
| Oil and Gas | Managing sour gas, oil, and high-pressure systems |
| Water Treatment | Processing wastewater, ultra pure water, seawater, and vacuum systems |
| Power Generation | Controlling steam and high-temperature flows |
| HVAC Systems | Regulating flow in heating, ventilation, and air conditioning systems |
| Food and Beverage | Managing flow in processing lines, ensuring hygiene and safety |
| Mining | Handling abrasive and corrosive media in extraction and processing |
| Petrochemical | Supporting high-pressure and high-temperature petrochemical processes |
| Pharmaceutical | Ensuring precise control in sterile and high-purity environments |
| Pulp and Paper | Managing flow in paper production, including corrosive and high-temperature media |
| Refining | Controlling flow in refining processes, including high-pressure and corrosive conditions |
| Sugar Processing | Handling syrups and other viscous media in sugar production |
| Water Filtration | Supporting filtration systems for clean water supply |
Hot Selling Products
Write your message here and send it to us
