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HG/T 20570.15-95において、配管用流量制限用スロット板の設置において単一のスロット板による圧力損失を2.5MPa未満と定めている理由

2015-07-30View Original

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題名の通り、規格では液体の圧力損失が2.5MPa以下の場合は単板孔板を使用し、液体の圧力損失が2.5MPaを超える場合は複数枚の板からなる孔板を選択し、各板における圧力損失は2.5MPa未満とする。 この規定の理由は何でしょうか?
Reply #22015-07-31
圧力降下が大きくなるのを防ぐためでしょうか!
Reply #32015-07-31
圧力降下が大きすぎるとどんな害があるのか?摩耗がひどい?

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