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D71F-10/10C バルブ本体材質の選定

2018-12-13View Original

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D71F-10:材質はグレー鋳鉄で、バルブ本体の材質はHT350です。D71F-10C:材質は炭素鋼で、バルブ本体の材質にはWCBを使用します。このように選んでもよいですか?
Reply #22018-12-13
小口径なら、鋳鉄で大丈夫です。使う環境次第です
Reply #32018-12-14
型番から見ると、このように選んでも問題ありませんが、作業条件をしっかり把握した方が良く、一般的には鋳鉄の使用は推奨されません。鋳鉄は比較的もろく、取り付けの過程で破断する問題がよく発生します

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