PROPRIETARY, HARBISON-FISCHER MFG CO, Style 749 Seating Cup, Type HR, Hi-Temperature (HT), 2 3/4 +70 Size X 2.000 inch Inside Diameter

Lubrikup seat cups are manufactured from high quality elastomers and resins to secure your reciprocating pump for long-lasting performance. Style 749 is our premium grade hard seat cup made from nitrile rubber reinforced with fiberglass fabric. For use with sweet crude, salt water, steam and strong abrasives at medium speeds. Available in a full range of sizes compatible with Type HR API, non-API and oversize. For applications with extreme speeds and low abrasives use Garlock premium Style 500-L.