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