Mark 3 ANSI Chemical Process Pumps
100% dimensionally interchangeable with Durco (Flowserve) Mark III -- Group I, II, and III frames. Reverse vane impeller design reduces axial thrust and seal chamber pressure.
External impeller adjustment mechanism -- the industry most innovative design. Allows fast, accurate impeller clearance setting without pump disassembly.
Full wet-end alloy coverage: Hastelloy C-276, Titanium Pd7B, CD4MCuN duplex, CN7M Alloy 20, Nickel, Zirconium. 20-40% cost savings vs OEM with identical performance.
Product Details
| Application | Chemical processing, petrochemical refining, corrosive chemical transfer, pulp & paper mill liquors, reverse vane impeller applications, high-temperature services, MRO replacement programs, EPC project procurement |
| Flow Rate | Up to 7,500 GPM (1,703 m3/h) |
| Head Range | Up to 990 ft (302 m) |
| Temperature | -73 degrees C to 370 degrees C (-100 degrees F to 700 degrees F) |
| Materials | CF8M (316SS), CD4MCuN (Duplex), CN7M (Alloy 20), WCB (Carbon Steel), Hastelloy B, Hastelloy C-276, Nickel 200, Titanium Grade Pd7B, Zirconium 702 |
| Pressure Rating | Up to 27 bar (400 PSIG) |
Our Pump Replacement elements are reliable, price effective alternative parts which are interchangeable with many widely known pump manufacturers.
We manufacture more than a few alternative elements together with shafts, casings, impellers, stuffing container covers, sleeves, labyrinth seals, repellers, backplates, fans and lots of extra.



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