Chesterton 155 & 255 Standard Cartridge Single Seal

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​The Chesterton 155 cartridge-style single seal is the perfect seal for all of your general-purpose plant applications. This simple mechanical seal design results in a more robust and reliable seal for general applications, while the low profile seal faces allow for low heat generation—making it ideally ​suited for non-lubricating fluids.

With the addition of the adjustable gland tabs, the Chesterton 155 can adapt to any bolting pattern, making installation easier.

Features:

• Adjustable/removable gland tabs
• 360-degree flush port rotation
• Quick-release centering straps
• Available in special alloys
• Dynamically stress-relieved narrow profile faces

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​The Chesterton 255 cartridge-style double seal provides a cost-effective solution for a wide variety of applications that require dual sealing with the flexibility to meet some of the most challenging conditions.

Thanks to its integrated pumping ring and universal gland with both flush port as well as quench and drain, the 255 can handle the most demanding applications. Whether you need advanced environmental controls or system pressure fluctuation tolerance, the 255 has you covered.

Features:

• Geometric double balance eliminates shifting O-Rings
• High-flow pumping device
• Features from brochure
• Self-Centering Lock Ring™ ​​eliminates misalignment