2-5 大型高真空挡板阀 （气动 304）
Large high vacuum baffle valve (pneumatic 304)
Introduction
This valve is pneumatic drive, it has the advantages of stable operation, large opening height, reliable use, good sealing performance and long life, and is one of the first choice valves for vacuum equipment automation. The valve is driven by compressed air, and the direction of air circuit is changed by the electromagnetic reversing valve, and the valve plate driven by the cylinder is opened and closed. The medium of the valve is air and non corrosive gas.
Characteristics
• Standardized and modular design, easy to replace and maintain;
• Easy to clean design;
• The valve body is made of stainless steel.
Main performance index
• Application scope: 5.3 × 10-5Pa～1.2 × 105Pa (sealing of fluorine rubber ring) 5.3 × 10-6Pa～1.2 × 105Pa (bellows seal)
• Pressure difference on valve plate when open: 5.3 × 10-6Pa～1.2 × 105Pa in any direction
• Leakage rate of valve body and seat: < 1.3 × 10-7Pa·L·s-1
• Number of first maintenance cycles: < 1.3 × 10-7Pa·L·s-1
• Baking temperature of valve body: ≤ 150 ℃
• Installation position: sealing face is facing vacuum
• Power supply: AC 220V 50Hz, 6W or DC 24V, 3W (special specifications can be customized)
• Compressed air: 0.5-0.7mpa
• Valve opening or closing time: < 5S
• Valve position indication: with on-off position indication switch (magnetic switch)
• Valve weight: see product weight manual
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