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Home / Products / Chesterton 891 Rotary Inside Single Seal
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Chesterton 891 Rotary Inside Single Seal

891 Rotary Inside Single Seal

Brochures & Datasheets | Technical Data | Related Products

Manufactured by: Chesterton
Model: 891
Sales Territory: Indiana

Chesterton’s 891 Component Mechanical Seal is a balanced high performance, component single seal. The 891 can be run against many different stationary seal rings for maximum flexibility in many applications. It is a non-fretting design that will not damage the shaft sleeve or any metal parts within the seal.

Additional Information

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Documents

Brochures
  • 891 Rotary Seal Brochure
  • Chesterton Mechanical Seal Catalog
Installation & Operation Manuals & Technical Literature
  • Chesterton 880 / 891, Small, Installation Instructions
  • Chesterton 880 / 891, Large, Installation Instructions

Technical Data

Temperature Rating:
-20°F to 400°F, Fluorocarbon, -65°F to 300°F, Ethylene Propylene, 0°F to 500°F, Kalrez

Shaft Speed:
4000 Array

Size Range:
1in to 4-1/2in

Standard O-Ring Materials:
Ethylene Propylene, Fluorocarbon

Standard Metal Parts Material:
316 SS

Optional Metal Parts Materials:
Alloy, Alloy 20, Hastelloy B, Hastelloy C, Monel, Nickel, Titanium

Standard Spring Material:
C-276

See product datasheet for additional details

Features
  • Monolithic seal faces
  • Balanced
  • High pressure capable
  • Non-clog, iso​lated springs
  • Dynamic O-Ring is positioned on a replaceable component surface
  • Minimized wearing components
  • Easy to repair with kits

BBC Pump and Equipment Co.

777 North Tibbs Avenue
Indianapolis, IN 46222

P: 317-636-1111
F: 317-636-5467
sales@bbcpump.com
service@bbcpump.com

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