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逆止弁

水圧テストでメーターユニットが壊れる!?

2016.02.27 dongori

最近の水道メーターはマンションなんかだとメーターユニットに取り付けられることが多いです。ものにもよりますが、通常メーターユニットの2次側には逆止弁が付いており、部屋内から水が逆流するのを防いでいます。ではこの逆止弁が壊…

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どんゴリ@配管工のお役立ちノート

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どんゴリ@配管工のお役立ちノート

@dongori_momoki

100円ショップに売ってたので衝動買いしてしまいました。やはり最近は「#配管家具」もジワジワと認知されてきていますから、需要があるんですかね。ただ、なぜか肝心の直管部分が売っていなかったのですが…店側はどうやって使うか分かってるんですかね？どこかで見つけたら組立ててみようと思います。 pic.twitter.com/9izujNFbzi

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9:59 PM · 2020年9月19日

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どんゴリ@配管工のお役立ちノート

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どんゴリ@配管工のお役立ちノート

@dongori_momoki

@kojikojikodayo それ、ありますね！古い団地とかだと確実に何本も巻き付いてます。汗切断する箇所をぐるっと手で触って確かめないと安心できません。ごく稀に保温で巻き込んでるケースもあって、それはもう手に負えません・・・😓

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12:59 AM · 2020年9月18日

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どんゴリ@配管工のお役立ちノート

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どんゴリ@配管工のお役立ちノート

@dongori_momoki

鉄管をレシプロソーで撤去する際の補助について気をつけていること。・切断の邪魔をしない・残水があると思っておく・切粉をくらわないようにする・刃がくわない方向に管をあおる・替刃をすぐ出せるようにしておく・撤去材を確実に持てる体勢を確保事故が多いのは誤切断か撤去材の落下です。

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3:30 AM · 2020年9月14日

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どんゴリ@配管工のお役立ちノート

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どんゴリ@配管工のお役立ちノート

@dongori_momoki

どんな現場でも必ず発生する、「配管の寸法取り」に関する記事を書きました。ただ単に測るということではなく、少し特殊なケースやコツについてまとめています。基礎的な内容が多めですので、確認にお役立てください。 bit.ly/2ZuN7Uq

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9:30 PM · 2020年9月11日

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どんゴリ@配管工のお役立ちノート

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どんゴリ@配管工のお役立ちノート

@dongori_momoki

@kojikojikodayo ペンはありますねー！そうなんですよね、分かる人には分かっちゃうから恥ずかしいです。笑

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8:44 PM · 2020年9月7日