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Hefei Ningtai Vacuum Equipment Co., Ltd

All Products >> welding

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welded pipes
welded pipes
Specification: DO270S
Detail: Technology index: 1.OD:10-880mm,ID:5-760mm,Thickness:0.05-0.20 2.vacuum leakage rate: 1*10-8Pa&©|8226;L/S~1* 10-12Pa&©|8226;L/S 3.using temperature:-251 ~ 450¡æ; 4. the compression ratio: 80%; 5.service life: 10 ~ 1 millio...
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