Home of over 3400 Blackmer Parts

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

KI Pumps & Systems, Inc.  |  SKU: 793771

793771 Gasket Set BNN/ST7

Sale price $ 327.60 Regular price $ 364.00

793771 Gasket Set BNN/ST7 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 793771 Gasket Set BNN/ST7 by Blackmer is a high-quality pump seal kit designed for use with positive displacement pumps, specifically compatible with Blackmer's BNN/ST7 series. This gasket set ensures efficient sealing and helps maintain the pump's operational integrity under demanding conditions.

Materials and Construction

The gasket set features Buna-N (nitrile rubber) components known for chemical resistance and durability, combined with stainless steel parts to provide corrosion resistance and long-term performance. The set includes multiple gaskets manufactured to precise specifications to fit Blackmer pump models accurately.

Physical Dimensions and Compatibility

The 793771 Gasket Set BNN/ST7 is engineered for compatibility with Blackmer BNN/ST7 series pumps. Exact dimensions vary by component, but all gaskets are designed to fit standard pump configurations for these models. This set is suitable for pumps with a flow rate of up to 60 GPM (227 L/min) and operates within a pressure range of approximately 150 PSI (10.3 bar).

Key Features

  • Includes multiple gaskets made from Buna-N rubber for chemical resistance and flexibility
  • Stainless steel components provide corrosion resistance in aggressive environments
  • Designed specifically for Blackmer BNN/ST7 positive displacement pumps
  • Ensures reliable sealing under pressures up to 150 PSI (10.3 bar)
  • Manufactured to industry standards for durability and precise fit
  • Easy to install with standard pump maintenance procedures

Use Cases and Customer Suitability

This 793771 Gasket Set is ideal for users operating blackmer BNN/ST7 series pumps in industrial, chemical, and manufacturing applications where reliable sealing is critical. It is suited for environments involving fluids such as lubricants, chemicals, and other liquids that require chemical-resistant gaskets. The gasket set is particularly beneficial for maintenance teams seeking to replace worn or damaged gaskets efficiently, preventing leaks and downtime. Due to its compatibility with standard positive displacement pumps, it is also recommended for OEM and aftermarket repair projects.

While designed for professional maintenance, it is accessible for technicians with basic mechanical skills to replace during routine pump servicing, helping preserve pump performance and extend equipment lifespan.

Package Contents and Exclusions

The package includes all necessary gaskets for the BNN/ST7 pump rebuild or repair, such as front and rear seals, cover gaskets, and other fittings. Not included are additional pump components, such as the pump body or internal rotors, which are sold separately.

Care and Maintenance

To ensure longevity, the gasket set should be inspected during routine pump maintenance, with any signs of wear or degradation replaced promptly. Gaskets should be cleaned with solvent and stored in a dry environment when not in use. The set does not carry a manufacturer warranty, but proper handling and installation according to manufacturer instructions will maintain optimal sealing performance.

Frequently Asked Questions

What makes the 793771 Gasket Set suitable for use with Blackmer BNN/ST7 pumps?
The 793771 Gasket Set is specifically designed to fit Blackmer BNN/ST7 series pumps, with precise manufacturing and dimensions that ensure a reliable seal and compatibility with these models. It is built to withstand operational pressures up to 150 PSI, making it ideal for demanding applications.
How does the Buna-N material in the gasket set benefit its performance in chemical or demanding environments?
The Buna-N (nitrile rubber) in the gasket set offers excellent chemical resistance and flexibility, making it effective in sealing fluids like chemicals and lubricants. This material helps prevent leaks and maintains performance in environments with aggressive fluids.
Can I use the 793771 Gasket Set for routine pump maintenance, and what should I do to ensure its longevity?
Yes, the 793771 Gasket Set is intended for routine pump maintenance and should be inspected regularly for signs of wear or degradation. Proper cleaning with solvent, correct installation, and storage in a dry environment will help extend the gasket’s lifespan and ensure optimal sealing performance.