The 521-BXK cap is a replacement Noryl cap component used in AqMatic and AquaMatic 521 valve assemblies. This molded cap is installed within compatible valve configurations to support proper assembly fitment and reliable operation during normal valve cycling.
Noryl components are commonly used in diaphragm valve systems where corrosion resistance, dimensional stability, and durable performance are required in demanding water treatment and industrial environments. The 521-BXK cap may be replaced during valve rebuilds, preventative maintenance, or repair procedures involving worn or damaged assembly hardware.
This replacement component is used in compatible 521 valve configurations operating in filtration, water treatment, and industrial process control systems. It may be installed alongside related diaphragms, shafts, springs, guides, retainers, and rebuild hardware during scheduled servicing procedures.
The 521-BXK cap is available through the AqMatic Parts & Accessories collection and supports maintenance of compatible K52 valve assemblies. Additional technical resources are available within the V42 documentation library.
$45.55
| SKU | Model Number | Part/Kit |
|---|---|---|
| 1075013 | 521-BXK | Cap, 521, Noryl, MLDG*Inactive |
| Weight | 1 lbs |
|---|---|
| Dimensions | 9 × 7 × 5 in |
