79A-Heavy Duty Stationary

The style 79A tandem cartridge seal is specifically designed for ruggedness and durability to withstand services were leakage and emissions must be completely contained. Design elements include retained faces to allow for pressurized or unpressurized barrier systems, stationary design for maximum runout compensation and pilot gland to positively center the seal.

The Style 79A cartridge seal is uniquely customizable to your specific application requirements. API 682 Compliant options are also available.

Features: 

• Incorporated pumping ring improves the movement – and the cooling effect – of the barrier fluid during operation
• Tandem design maintains product and barrier fluid on O.D. of both seals for increased safety and heat dissipation
• A tangential connection maximizes the flow of barrier fluid
• Can be operated in pressurized or non-pressurized state configurations
• Springs are located out of the product
• Double balanced inboard face allows for reverse pressures in upset conditions
• Easy to install cartridge design
• Metric and ANSI Sizes Available
• Can be easily adapted to satisfy high pressure applications or in cases of extreme run out
• Retained faces eliminate troublesome drive pins
• Hydraulically balanced design
• API 682 Type A Tandem Arrangement 2 and 3 available