Chesterton 442 Split Seal

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​The Chesterton 442 split seal is ideal for equipment that is difficult and time-consuming to disassemble, such as large pumps, vertical pumps, and horizontal split case pumps. This ​proven, compact design can be used in a wide variety of equipment and process fluids.​

The patented, high-performance split technology allows the 442 to operate from vacuum to high pressures.

• ​Compact design allows for easy installation and a fit advantage on most equipment
• Split, low-cost repair kits reduce ongoing maintenance costs even further
• Designed with the installer in mind, the ball-and-socket O-Rings provide a quick and easy leak-free seal without the use of adhesives
• Captive screws cannot fall out, making installation straightforward and reliable

¹NSF version available upon request.

Features:

• Fully split mechanical seal
• Ball-and-socket O-Rings
• Adjustable gland tabs
• Patented, automatic centering
• Patented, full-vacuum capability
• Engineered for high pressure
• Non-clog external springs
• Non-fretting to equipment
• Dry run capable
• Large seal diameter options
• Integral dual flushport​
• Certified to NSF/ANSI 61​