Durco Mark 3 Group 4 High-Capacity, Metallic, ASME (ANSI) Chemical Process Pump

Single stage, overhung, centrifugal pump designed to ASME B73.1 Standards. Hydraulic performance, NPSH and vibration testing per Hydraulic Institute (HI) standards.  CE/ATEX Conformance.

• Flows to 3861 m³/h (17 000 gpm)
• Heads to 125 m (410 ft)
• Discharge pressures to 19 bar (275 psi)
• Temperatures from -73°C to 204°C (-100°F to 400°F); ductile iron: -29°C to 204°C (-20°F to 400°F)

The expanded hydraulic range of the Durco Mark 3 Group 4 comprises 13 sizes on two bearing frame platforms:

• 41K12x10-16
• 41K14x14-16
• 41K8x4-19
• 41K8x6-19
• 41K10x6-19
• 41K12x10-19
• 41K14x12-19
• 42K10x8-19
• 42K16x16-19
• 42K12x8-22
• 42K12x10-22
• 42K14x12-22
• 42K16x14-22

-Reverse vane impeller is the only impeller design that offers repeatable pump performance throughout the life of the pump. Open impellers available.
-Durco SealSentry seal chambers feature flow modifiers that extend seal life by providing optimal seal chamber environments.
-Standard sealed bearing housing with labyrinth bearing isolators to keep lubricant in and contaminants out.
-Two-piece power end design with self-contained bearing housing reduces maintenance costs and facilitates predictive maintenance.
-Heavy-duty radial and thrust bearings are selected for long life and reliability.
-External micrometer impeller adjustment accurately sets impeller clearance in 20 seconds, simplifying maintenance.
-Rugged shaft and bearing design extends seal life, bearing life and reduces shaft deflection and vibration.