The parts of the QBK15 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.
The toughness of PTFE is not as good as that of FEP，so PTFE diaphragm is not recommended。
If you only want PTFE diaphragm, please inform the seller，The seller will replenish the inventory!Teflon is imported F46 (FEP) material, which is more durable。
Parts List
No.1 inlet pipe-
No.2 outlet pipe-
No.3 pump body-
No.4 pump chamber-
No.5 intermediate-
No.6 diaphragm vane(PTFE)-
No.7 diaphragm vane(NBR)-
No.8 intermediate seal gasket-
No.9 driving shaft housing-
No.10 connecting rod shaft housing-
No.11 piston bush-
No.12 piston-
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No.26 seal ring of diving shaft(NBR)
No.27 Y-Type 0-ring(NBR)
No.28 0-ring(NBR)
No.29 Butterfly-Type 0-ring(NBR)
No.30 inlet nozzle
No.31 ball sealer(NBR)
No.32 ball sealer(PTFE,Stainless steel or other)
We have diaphragms in various sizes, if you don't find the link, please contact the seller！
Diameter of Diaphragm QBK10,QBK15,QBY10,QBY15 ：140mm，6 holes
Diameter of Diaphragm QBK25,QBK40,QBY25,QBY40 ：230mm，8 holes
Diameter of Diaphragm QBK50,QBK65,QBY50,QBY65 ：340mm，8 holes
Diameter of Diaphragm QBK80,QBK100,QBY80,QBY100：450mm，8 holes
Package: 1piece
Ball Sealer and Ball Sealer seal seat
