표기탱크 감압밸브
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표기가스탱크 감압밸브 W21.8-14RH(F)의 문자는 무엇을 의미하나요?외부 나사산은 무슨 글자인가요?
40리터 메탄 가스통 QF-30, QF-30A 등으로, 나사 유형은 W21.8-14LH(F)입니다. 외경은 Ø21.8mm이며, 1인치당 나사산 개수는 14개입니다. 14는 나사 피치가 1.8142mm임을 나타내고, LH는 나사의 방향을 의미합니다.
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