Flowserve
Durco® Mark 3™ Group 4 High Capacity Metallic Sealed Chemical Process Pump
Model: Mark 3 Group 4
The Durco Mark 3 Group 4 pump provides increased capacity with proven Durco performance and reliability, along with ASME B73.1 design features. With flow rates up to 3861 m³/h (17,000 US gpm) tha are well beyond ASME size limits, the Durco Mark 3 Group 4 is ideal for high-flow, high-head…
CentrifugalPetrochemistry
The Durco Mark 3 Group 4 pump provides increased capacity with proven Durco performance and reliability, along with ASME B73.1 design features. With flow rates up to 3861 m³/h (17,000 US gpm) tha are well beyond ASME size limits, the Durco Mark 3 Group 4 is ideal for high-flow, high-head applications in the chemical processing and general industries.
Key Features
- Reverse vane impeller provides repeatable pump performance throughout pump life. Open impellers are also available
- Durco SealSentry seal chambers use flow modifiers to extend seal life by providing optimal seal chamber environments
- Standard sealed bearing housing with labyrinth bearing isolators keeps lubricant in and contaminants out
- Two-piece power end with heavy-duty radial and thrust bearings reduces maintenance costs and supports long life and reliability
- External micrometer impeller adjustment sets clearance in 20 seconds, while rugged shaft and bearing design extends life and reduces deflection and vibration