Mark 3 Pump

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.