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断熱ボールバルブの型式決定

2016-11-21View Original

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設計院から渡された資料の中にある断熱ボールバルブの型番はBQ41PPL-16C-65ですが、中のPPLというのが何を意味するのかよくわかりません?解を求める。
Reply #22016-11-21
PPL対位ポリフェンは耐高温プラスチックで、ポリテトラフルオロエチレンよりもはるかに高価です
Reply #32016-11-21
これはシールパッドの材質ですか??
Reply #42016-11-21
ありがとう:handshake

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