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Hlau zaum rooj vag valve
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Mos foob (lub rooj zaum resilient) rooj vag valve
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Cam khwb cia hlau ntiaj teb valve (tsawg / nruab nrab siab)
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Swing check valve rau kev kho dej
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Anti dej rauj non-slam check valve
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Pob kos valve / tsis rov qab valve
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Dual phaj wafer hom kos valve
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Ib qho disc wafer viav vias kos valve
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Disco hom wafer kos valve
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Sandwich hom ib leeg disc viav vias kos valve
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Center kab wafer hom npauj npaim valve
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Center kab LT npauj npaim valve
