Pneumatic 3-piece Vacuum Ball Valves

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Product Detail

Pneumatic 3-piece vacuum ball valves are widely used in vacuum systems, semiconductor manufacturing equipment, biopharmaceuticals, food and beverage, chemical, petroleum, electric power and other industries. They are applied in vacuum coating equipment, vacuum drying ovens, reaction kettles, distillation towers, vacuum packaging machines and other equipment to control the flow, distribution and direction switching of gases or liquids, especially suitable for working environments requiring high cleanliness and high vacuum.

Technical Parameters

Parameter	Specification
Nominal Diameter	DN15DN100mm (1/2"4")
Nominal Pressure	PN1.0~6.4MPa
Vacuum Leak Rate	≤1.3×10⁻⁹ Pa·m³/s (High Vacuum)
Applicable Temperature	Soft seal: -30~180℃<br>Hard seal: -40~425℃
Body Material	WCB, 304 Stainless Steel, 316 Stainless Steel, 316L Stainless Steel
Sealing Material	PTFE, PPL, Metal Hard Seal
Air Supply Pressure	0.4~0.7MPa
Connection	Threaded, Flanged, Clamped, Welded

Applications

In the manufacturing of new energy lithium batteries, pneumatic 3-piece vacuum ball valves are mainly used in the following aspects:

Feeding of cathode and anode materials for lithium batteriesPneumatic vacuum ball valves can be used to control the feeding of cathode and anode materials into hoppers. By opening and closing the valve, the conveying and feeding of materials can be easily realized.
Pipeline on-off valveThey can be used as pipeline on-off valves to open and close pipelines. In lithium battery manufacturing, they control material flow and conveying speed.
Vacuum valveIn lithium battery production, vacuum systems are often used to extract exhaust gas. As vacuum valves, Qigao 3-piece vacuum ball valves can quickly cut off leakage in vacuum pipelines.

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