www.supplyht.com/articles/92229-product-preview-full-port-ball-valves
Product Preview … Full-Port Ball Valves
April 30, 2008

Apollo Valves’ 77C “Contractor” Series full-port bronze ball valve line now includes a 2-1/2-inch model. This larger size valve features a chrome-plated machined brass ball, providing straight-through flow and real full-port performance characteristics. The valves include all-cast bodies and end caps for corrosion resistance, blowout-proof stems, multi-fill PTFE seats and seals, and adjustable packing.
Apollo Valves.
Circle 230