Home of over 3400 Blackmer Parts

For a limited time, maximum $99 shipping within the Contiguous U.S.

KI Pumps & Systems, Inc.  |  SKU: 812742

812742 Gear Reducer SK72-W 6.95:1 1750/252 RPM

$ 10,836.00 $ 12,040.00

812742 Gear Reducer SK72-W 6.95:1 1750/252 RPM Ships in 1-2 Weeks or Special Order

Delivery and Shipping

We ship in stock items same day. If it needs to be ordered we will ship it out to you the day it arrives.

If you have any questions you can reach us at (262) 646.4500 or click here

Description

Product Overview

The 812742 Gear Reducer, identified as the SK72-W model by Blackmer, is designed to convert input rotational speed for industrial pump applications. Specifically, it provides a 6.95:1 gear ratio, transforming a 1750 RPM motor input into approximately 252 RPM output. This gear reducer ensures smooth and reliable power transmission, suitable for positive displacement and sliding vane pump systems requiring precise speed and torque adjustments.

Materials and Construction

  • Constructed with high-strength, corrosion-resistant alloy gears for durability and long service life.
  • Housing fabricated from heavy-duty cast iron or steel, offering resistance to impact, heat, and environmental factors.
  • Seals and lubricants designed to withstand demanding operating conditions, maintaining effective lubrication and preventing contamination.

Dimensions and Compatibility

  • Dimensions vary based on configuration; typical input shaft diameter is compatible with standard motor shafts, with keyway sizes specified in technical datasheets.
  • Mounting patterns conform to industry standards to facilitate easy installation onto pumps and motors.
  • Weight approximately 15-25 kg, depending on specific model and configuration.

Key Features

  • Gear ratio of 6.95:1 achieving the RPM reduction from 1750 to 252.
  • Input speed capacity of up to 1750 RPM, compatible with common AC motors.
  • High gear efficiency with minimal power loss, typically exceeding 95%.
  • Robust construction with corrosion-resistant materials for long-term reliability.
  • Designed for smooth operation with low noise levels during continuous use.
  • Sealed housing with lubricated-for-life bearings or fillable with specified lubricants.

Use Cases and Customer Suitability

The 812742 Gear Reducer is ideal for industrial environments where reducing input RPM to optimize pump performance is critical. It is particularly suitable for:

  • Operators seeking precise speed control of positive displacement pumps to achieve consistent flow rates.
  • Facilities aiming to extend pump longevity by decreasing operating speeds and reducing mechanical stress.
  • Budget-conscious maintenance operations requiring reliable, cost-effective gear reduction solutions.

It is well-suited for use in manufacturing plants, water treatment facilities, and chemical processing installations, where stable and efficient pump operation is essential.

Included and Exclusions

  • The package includes the gear reducer unit, mounting hardware, and installation manual.
  • Not included are the motor, coupling or belt drive components, and auxiliary mounting adapters.

Care and Maintenance

The 812742 Gear Reducer requires periodic inspection of lubricant levels, seal integrity, and mounting fasteners. Lubrication should follow manufacturer specifications, and the unit should be protected from excessive dirt and moisture. An initial run-in period is recommended, after which alignment and oil levels should be checked again. There is typically no warranty beyond standard manufacturer coverage; consult product documentation for specific warranty details.

Our Collections

Frequently Asked Questions

What are the main benefits of using the 812742 Gear Reducer for industrial pump applications?
The 812742 Gear Reducer offers reliable speed reduction with high efficiency, ensuring smooth power transmission and precise control for positive displacement and sliding vane pumps. Its corrosion-resistant materials and robust construction enhance durability, making it ideal for demanding industrial environments. Additionally, it helps extend pump life by reducing operating speeds and mechanical stress.
How should I maintain and care for the 812742 Gear Reducer to ensure its long-term performance?
To maintain the 812742 Gear Reducer, regularly check lubricant levels and seal integrity according to manufacturer instructions. Keep the unit clean and protect it from excessive dirt and moisture, and perform periodic inspection of mounting fasteners and alignment after initial run-in. Proper care ensures optimal performance and longevity of the gear reducer.
Is the 812742 Gear Reducer compatible with standard motor shafts and mounting patterns?
Yes, the 812742 Gear Reducer is designed to be compatible with standard motor shafts and industry-standard mounting patterns, facilitating easy installation on various pumps and motors. For precise dimensions and compatibility details, refer to the technical datasheets provided with the product.
Back to top