John Crane/Flowserve/Ingersoll 1-09878 Type 1 Mechanical Seal -NIB

The John Crane / Flowserve / Ingersoll 1-09878 Type 1 Mechanical Seal is a general-purpose elastomer bellows shaft seal designed to prevent leakage in rotating equipment such as pumps and compressors. This Type 1 style seal is widely regarded as an industry-standard “workhorse” due to its versatility, durability, and ability to handle a broad range of fluids including water, chemicals, and light slurries. It operates by creating a tight sealing interface between the rotating shaft and stationary housing, minimizing leakage while maintaining smooth shaft rotation.

Engineered with a flexible elastomer bellows and single-spring design, this seal automatically compensates for shaft misalignment, wear, and vibration, helping extend equipment life and reduce maintenance. Mechanical seals like this are critical components in industrial systems, as they protect equipment, improve efficiency, and prevent fluid loss in applications such as process pumps, mixers, compressors, and agitators across industries like chemical processing, water treatment, power generation, and manufacturing.

Key Features:

• Type 1 elastomer bellows mechanical seal
• Interchangeable with John Crane, Flowserve, and Ingersoll styles
• Designed to prevent leakage in rotating equipment
• Self-adjusting design compensates for shaft wear and misalignment
• Durable construction for long service life
• Reliable sealing for a wide range of fluids

Specifications:

• Model: 1-09878
• Type: Type 1 Mechanical Seal
• Design: Elastomer Bellows, Single Spring
• Application: Pump / Rotating Equipment Seal
• Compatibility: Cross-reference John Crane / Flowserve / Ingersoll

Applications:

• Industrial process pumps
• Compressors and blowers
• Mixers and agitators
• Water and wastewater systems
• Chemical and fluid handling systems