Pneumatic Flange Butterfly Valve Introduction
The Pneumatic Flange Butterfly Valve, designed for high-performance industrial applications, effectively regulates the flow of fluids, gases, and various media within pipelines. Renowned for its ability to provide precise control over media flow, it stands as a popular choice across a wide range of industrial sectors.Key Features of the Pneumatic Flange Butterfly Valve
Featuring a flanged body, this valve boasts easy installation and removal from pipelines, facilitating efficient maintenance operations. The valve body, constructed with superior materials like ductile iron, carbon steel, and stainless steel, guarantees exceptional durability and resistance to wear and tear. Its valve seat options, EPDM and PTFE, ensure impeccable sealing performance in diverse environments. With a disc crafted from stainless steel, this valve ensures high corrosion resistance and reliability. The integration of a pneumatic actuator further enhances its appeal, making it well-suited for automated processes. Mounting the actuator on the valve allows for precise control over media flow within the pipeline.Applications of the Pneumatic Flange Butterfly Valve
The Pneumatic Flange Butterfly Valve finds extensive suitability across a broad range of industrial applications, including chemical processing, water treatment, and food and beverage processing. Its compact design proves particularly advantageous in limited-space scenarios, easily accommodating tight areas. Additionally, it excels in applications requiring fast response times and precise control over media flow. The valve's pneumatic actuator enhances its adaptability for automated processes, providing enhanced control over media flow within the pipeline.Connection Standards
To facilitate seamless integration into existing pipelines and systems, the Pneumatic Flange Butterfly Valve is available in various connection standards, including ANSI 150LB, DIN PN16, GB PN16, and JIS10K. This wide range of options ensures ease of implementation, regardless of the specific requirements.| Main Technical Parameter | ||||
| Nominal diameter | DN（mm） | 50～1000 | ||
| Nominal pressure | PN（MPa） | 0.6 | 1 | 1.6 |
| Test pressure | Shell test | 0.9 | 1.5 | 2.4 |
| Seal test | 0.66 | 1.1 | 1.76 | |
| Air test | 0.6 | 0.6 | 0.6 | |
| Applicable medium | Air, water, sewage, vapor, gas, oil, etc | |||
| Opeartion | Manual, worm gear, pneumatic, electric/motorized | |||
| Components | Materials |
| Valve body | Spheroidal graphite steel, cast steel, alloy steel, stainless steel |
| disc | Grey cast iron, spheroidal graphite steel, cast steel, stainless steel, special materials |
| Seal ring | Rubber, PTFE |
| Valve stem | 2Cr13, stainless steel |
| Packing | O-ring, flexible graphite |
| Seal material selection and applicable temperature | ||||||
| Materials | Chloroprene rubber | Nitril butadiene rubber | Ethylene propylene rubber | Teflon | Fluorine rubber | Crude rubber |
| Abbreviation | CR | NBR | EPDM | PTFE | VITON | NBR |
| Model | X or J | XA or JA | XB or JB | F, XC or JC | XE or JE | X1 |
| Maximum temperature | 82℃ | 93℃ | 150℃ | 232℃ | 204℃ | 85℃ |
| Minimum temperature | -40℃ | -40℃ | -40℃ | -268℃ | -23℃ | -20℃ |
| Applicable temperature | 0~+80℃ | -20~+82℃ | -40~+125℃ | -30~+150℃ | ||
| DN | NPS（inch） | A | B | C | L |
| DN50 | 2" | 69.5 | 126.5 | 32 | 108 |
| DN65 | 2.5" | 72 | 136 | 32 | 112 |
| DN80 | 3" | 88 | 146 | 32 | 114 |
| DN100 | 4" | 96.5 | 158 | 32 | 127 |
| DN125 | 5" | 115 | 179 | 32 | 140 |
| DN150 | 6" | 126 | 197 | 32 | 140 |
| DN200 | 8" | 161 | 230 | 45 | 152 |
| DN250 | 10" | 199 | 271 | 45 | 165 |
| DN300 | 12" | 215 | 305 | 45 | 178 |
| DN350 | 14" | 261 | 350 | 45 | 190 |
| DN400 | 16" | 290 | 381 | 51 | 216 |
| DN450 | 18" | 307 | 392 | 51 | 222 |
| DN500 | 20" | 340 | 441 | 57 | 229 |
| DN600 | 24" | 396 | 500 | 70 | 267 |
| DN700 | 28" | 496 | 567 | 66 | 292 |
| DN800 | 32" | 543 | 641 | 66 | 318 |
| DN900 | 36" | 584 | 692 | 118 | 330 |
| DN1000 | 40" | 638 | 735 | 142 | 410 |
| DN1200 | 44" | 763 | 917 | 150 | 470 |
