Concentric Butterfly Valve description
Concentric butterfly valve (also known as centerline butterfly valve) is a basic butterfly valve suitable for low pressure, normal temperature, and non-strict sealing requirements, such as water treatment systems, air conditioning systems, water supply and drainage systems, etc. In these systems, concentric butterfly valves can easily control the flow and direction of the medium to meet the operation requirements of the system.
Concentric Butterfly Valve specification
| Size Range | Body Material |
|
1 1/2"-40" DN40-DN1000 |
Carbon Steel/ Stainless Steel/ Cast Iron/ Ductile Iron/ Al-Bronze |
| Pressure Rating | DISC Material |
|
Class150 PN10-PN16 |
Al-Bronze/ Stainless Steel/ Ductile iron/ WCB |
| End Connection | Seat Material |
| Flange (FF, RF), wafer, lug | EPDM, PTFE, NBR, VITON |
| Structure Style | Stem Material |
| Full Port, Concentric | SS410, SS416, SS316, 17-4PH |
| Actuator Options | Design Standard |
| Lever, Worm Gear, Pneumatic, Electric. | MSS SP-67, API609, EN593 |
| Temperature Range | Face to Face Standard |
| -10℃~200℃ | API609, ISO5752 series 20, BS5155 |
| Connection Standard | Test Standard |
| Flange Drilling: ANSI B 16.5, EN1092-1 | API598 |
Concentric Valve
applications of Concentric Butterfly Valve
- Municipal and environmental engineering
Large-diameter pipes used in urban water supply and drainage systems (such as water pipelines above DN1200) use their low flow resistance characteristics to reduce energy consumption;
Low-pressure water interception in sewage treatment plants, and rubber seals with corrosion resistance to adapt to acidic and alkaline environments.
- Food and pharmaceutical industry
Sanitary rubber-lined butterfly valves are used in beverage filling lines and liquid medicine delivery to meet aseptic cleaning requirements;
Quick opening and closing characteristics are suitable for intermittent fluid control needs (such as production line switching).
- General industrial field
Air volume adjustment of air conditioning and ventilation systems, easy to operate and low cost;
The opening and closing control of low-pressure steam systems (such as HVAC pipes) requires the use of temperature-resistant rubber materials.
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