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This super vacuum shutoff valve can be used on marine tankers. The material of valve body is stainless steel. It is argon arc welding and all the welding lines are strictly tested leakage by Helium mass spectrum. The material of valve head is Oxygen-free copper, which can be tightly Sealed. This product has been obtained Classification System Authentication (No. CQA041700047).
Brand name of the products is "Lanshi".
Characteristics
Temperature Range: - 40~70 centigrade
Humidity: 5%-95%
Working Pressure: 86 kPa~106 kPa
Super Vacuum Shutoff Valve