The GRACO 255122 is a repair kit for the air valve of Husky™ 3150 3A pumps, designed for use in high sanitation diaphragm pump applications. The kit contains all necessary replacement parts for the air valve, ensuring reliable operation and maintenance of the pump. The materials are typically stainless steel and high-grade elastomers for wetted and non-wetted components, suitable for demanding industrial environments.

Key Features:

• Air Valve Repair Kit
• Husky™ 3150 3A
• Stainless steel center section and air valve manifolds; high-grade elastomers for seals and packings
• Compatible with Husky™ 3150 pumps with stainless steel center sections
• 3-A compliant for high sanitation applications
• Comprehensive kit for complete air valve repair
• Designed for ease of maintenance and reliability
• Suitable for high duty cycle and demanding industrial environments
• All parts in kit should be used for best results

Applications:
Used in high sanitation diaphragm pumps for industries requiring strict hygiene standards, such as food, beverage, and pharmaceutical processing.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and compliance with industry standards.
• Follow the pressure relief procedure before disassembly
• Use all parts included in the kit for best results
• Grease o-rings and pilot pins before installation
• Install u-cups with lips facing the narrow end of the pistons
• Lubricate actuator pistons and insert wide end first
• Ensure valve carriage tabs slip into grooves on actuator pins
• Regularly inspect and replace air valve components as needed
• Use only recommended lubricants and replacement parts
• Consult the manual for detailed disassembly and reassembly instructions