01
SS304 SS316L Stainless Steel Sanitary QF7 Butterfly Type Welded Ball Valve
Application
The QF7 series ball valve is a high-performance valve that is widely used in food, beverage, pharmaceutical, cosmetics and chemical industries. It is mainly used to control and transfer various materials. These ball valves are manufactured from high-quality stainless steel materials to ensure stability and durability in high temperatures, high pressures and corrosive environments. Its design complies with international hygiene standards to ensure no contamination of products during the production of food and pharmaceuticals.
The QF7 series ball valve has a simple structure and is easy to operate. It can quickly open and close, reduce the residence time of materials, and thereby improve production efficiency. In addition, the valve's sealing performance is excellent, effectively preventing leakage and ensuring the safety of the production process. Its fluid channel design is reasonable, which can minimize fluid resistance and ensure smooth flow.
In the pharmaceutical and cosmetics industries, the dead-angle design of the QF7 series ball valve makes it easy to clean and maintain, complying with strict hygiene requirements. In the chemical industry, the corrosion resistance and high temperature resistance of valves enable them to handle a variety of chemical media and meet the needs of different processes.
The QF7 series ball valve has become an indispensable and important equipment in various industries with its excellent performance and wide applicability, providing reliable guarantee for the safe and effective transfer of materials.
Materials
Valve body: SS304,SS316L
Valve seat: Encapsulated PTFE
Gasket:EPDM ,Silicone
Design Features
Maintenance free operation
Compact and portable
Small operating torque
Valve seals and gaskets comply with FDA 177.2600
Manual handle, pneumatic actuator, electric actuator are interchangeable.
Connection method:3A/DIN/SMS/ISO welding,clamp,thread,flange end.
Technical Specification
Sizes available from 1/2”-4”
Max. working pressure (PTFE): 10bar (147psi)
Temperature range (PTFE): -20 ~ 180℃
End connections:threaded
Supply pressure for air actuator: 70 ~ 115psi
Inside polish: Ra 32μin (0.8μm); Outside polish: CNC machining







