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Activities within the screw joint (male metric, platinum British, American non-proliferation treaty) Bellows
Features: simple structure, good pressure resistance
Diameter: DN10 ~ DN50
Material:
(1) activities in the nipple: carbon steel / steel;
(2) activities in the thread: carbon steel / stainless steel;
(3): carbon steel / stainless steel ring withheld;
(4) braid: carbon steel;
(5) Tube: steel
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