Mark 3 ANSI Chemical Process Pumps
ANSI B73.1 chemical process pump 100% dimensionally interchangeable with Durco (Flowserve) Mark III. Reverse vane impeller design for reduced seal chamber pressure and extended bearing life. Available in all exotic alloys including Hastelloy C-276, Titanium, CD4MCuN, and Zirconium. Group I, II, and III frame sizes. Flows to 7,500 GPM. External impeller adjustment for fast, accurate clearance setting.