Chesterton’s 250 Dual Cartridge Seal is a value leader in its class. With proven Chesterton quality, it is the ideal choice for increasing seal performance when your current sealing method is not meeting expectations.

The 250 dual seal provides sealing security that conventional single seals cannot match. A durable secondary seal provides the opportunity for scheduled maintenance, thereby avoiding unplanned downtime and production losses.

Advantages of upgrading to the 250 preassembled dual cartridge design:

• Provides clean barrier fluid for seal face lubrication
• Improves cooling for higher temperature applications
• Increases seal life with a proven, double balanced design
• Eliminates leakage associated with single seal failures

The 250 is the economical solution to meet the needs of todays industry.

• Constructed of high quality materials
• Fits popular ANSI/ISO and vertical pumps
• Fast and easy installation
• Field and factory reparability
• Worldwide, off-the-shelf availability