Application: This is a health-based, automatic type or manually operated butterfly valve type, widely used in the public areas of beer, beverage, dairy, fruit juice, pharmaceutical and biological engineering. Advantages: 1. Seals: a strong acid, alkali and high temperature performance, permanent deformation is small spool 2. Precision Forging: Pressure ≤1.2MPa, bend; metallurgical structure is superior seal 3. Appearance. Design: sync with the latest international styles 4. cost performance: import substitution, cost, reliable material: ▲ Product and media contact portion: 304 or 316L ▲ sealing materials: Standard: ethylene propylene diene rubber (EPDM) Alternative : silicone rubber (SILICON), Viton (FDM), hydrogenated nitrile rubber (HNBR) Connection: ▲ welded, threaded, clamp type, spiral welded, flanged ▲ piping or equipment connected with the way both Press DN11850, IDF / ISO, the international standard size connector SMS manufacturing, security and imported equipment and interchangeable pneumatic head characteristics: ▲ normally open (NO) spring open / normally closed gas shut ▲ (NC) spring off / open air ▲ sensing probe with an on / off signal feedback choice ▲ compact, small size, large torque ▲ simple installation, easy technical parameters: ▲ diameter range: DN25 ~ DN200 1 "~ 8" ▲ Endurance pressure: 10bar ▲ supply of compressed air : Minimum 4bar maximum 8bar ▲ pneumatic head torque: 40Nm ▲ finish cutting: Ra1.5 ~ 3.2um polish: Ra0.4 ~ 08um actuators use compressed air quality requirements: ▲ Compressed air connection: air tube equipped with air fitting R1 / 8 " ▲ maximum particle size: 0.01mm ▲ maximum oil content: 0.08ppm ▲ Dew Point: air temperature below 10 ℃ or lower ▲ maximum water content: 7.5g / kg