Mark 3 Pump
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) |
SUMMARY AND DESCRIPTION
Product Summary
Type: Single stage, horizontal, overhung, end suction, centerline discharge, back pull-out, fully compliant with ASME B73.1-2001
Lead design center: Dayton GTC
Lead manufacturing center: Chesapeake
Secondary manufacturing center: Newark
General Description
The Mark 3 is recognized worldwide as the premier name in ANSI chemical process pumps. The advanced design and precision manufacture results in a rugged, heavy-duty pump that will provide reliable, dependable performance in the most demanding services. Below are some of the highlights of the Mark 3 pumps. The Mark 3 bulletin, contained in Section 2,should be carefully studied for details.
Available Sizes and Range of Service
The Mark 3 line covers a broad hydraulic range:
• Sizes – 30
– Group 1 – 7
– Group 2 – 16
– Group 3 – 7
• Capacities
– 60 Hz to 1680 m3/h (7400 gpm)
– 50 Hz to 1390 m3/h (6120 gpm)
• Heads
– 60 Hz to 300 m (985 ft)
– 50 Hz to 200 m (655 ft)
Applications
Mark 3 pumps find use in applications ranging from water to the most corrosive chemicals.
Construction Features
There is a very high degree of interchangeability in the Mark 3 family. The 30 sizes that comprise the family are built with only three different power frames. The charts at right summarize the interchangeability.
Features and Benefits
The Mark 3 possesses many unique features and benefits; however,there are three distinct features that differentiate it from other ANSI pumps. These features are the power end designs, the Mark 3 reverse vane impeller, and the SealSentry seal chambers. Below is a brief summary of these features with their corresponding benefits.
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