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the body and disc are all made of steel, so how can you make sure that the liquid can be 100% blocked ?
why it is name butterfly valve???
what song is this? sounds dope... feeling so high right now...wow...much wow....much much wow....much much much wow
hahaaaaa
Plz uploaded its reverse process.. I means overhauling
I think most better video
Who know where sale GE consolidated safty valve in china?
Hope to cooperate with your company.
750 mm boll no video banavo
the body and disc are all made of steel, so how can you make sure that the liquid can be 100% blocked ?
why it is name butterfly valve???
what song is this? sounds dope... feeling so high right now...wow...much wow....much much wow....much much much wow
hahaaaaa
Plz uploaded its reverse process.. I means overhauling
I think most better video
Who know where sale GE consolidated safty valve in china?
Hope to cooperate with your company.
750 mm boll no video banavo