Grooved End Nwansena Valve
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Grooved awiei ntontom valve
Kenkan piiGrooved end butterfly valve yɛ grooved end bubble tight shutoff ntontom valve a ɛda nsow nsuo su. Wɔayɛ rɔba nsɔano no wɔ ductile dade diski no so, sɛnea ɛbɛyɛ a wobetumi ama nsu a ɛsen kɛse.
