We offer our cover plates to fit both the STX and MTX pump designs. We offer small, large, and taper bore models.
Materials offer: CF8M (Stainless) and other materials upon request.
The difference in bores (flow modifiers) can be explained as follows:
Standard Bore: Designed for packing and also can be used with mechanical seals. It is ideally used with Water-based liquids with flush.
Big Bore: Designed to achieve improved lubrication and cooling of the seal. It is ideally used for the following: Water-based liquids with flush, Solids greater than 10% with flush, Paper stock with 0 to 5 % with flush, for seal face heat removal.
Disclaimer ***: Our cover plates are interchangeable with popular brands such as Goulds, Peerless, Summit, and Griswold. Though we offer high-quality replacement parts. Our parts are aftermarket. We are not associated with Itt Goulds, Peerless, Summit, or Griswold.