The parts of the QBY3-20/25 pump are purchased according to the serial number in the picture below.
PS:The price of some serial numbers is not written. If you need to leave a message with the seller.
Parts List
No.16 inlet pipe-
No.1 outlet pipe-
No.9 diaphragm vane(PTFE)-
No.9 diaphragm vane(NBR)-
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No.3/13 ball seat(PTFE,Stainless steel ,NBR or other)
No.2/12 ball sealer(PTFE,Stainless steel ,NBR or other)
We have ball sealer in various sizes, if you don't find the link, please contact the seller！
Diameter of PTFE Ball QBY3-25,QBY3-20：25mm
Diameter of PTFE seat QBY3-25,QBY3-20：35mm
Diameter of NBR Ball QBY3-25,QBY3-20：25mm
Diameter of NBR seat QBY3-25,QBY3-20：35mm
Diameter of PTFE Ball QBY3-32,QBY3-40：36mm
Diameter of PTFE seat QBY3-32,QBY3-40：53mm
Diameter of NBR Ball QBY3-32,QBY3-40：36mm
Diameter of NBR seat QBY3-32,QBY3-40：53mm
Ball Sealer and Ball Sealer seal seat
