He 350psi te pehanga mahi a Mueller swing check valve inaianei
Ki te whakatutuki i nga whakaritenga pehanga teitei ake o nga punaha hanganga wai o enei ra, ko te 2 ki te 12 inihi Mueller UL/FM piu taki takirere kua whakatauhia inaianei ki te 350 psig pehanga mahi makariri (CWP). I tua atu, kua whakawhānuihia te raina hua ki te whakauru i te 2-inihi, 14-inc ...
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