Dixon B45 Air Blow Check Valves w/ Female NPT

Dixon B45 Air Blow Check Valves w/ Female NPT

The B45-Series Air Blow Check Valve with female NPT is a high-performance, fail-safe valve engineered for sanitary processing systems. Designed to inject clean air or gas into pipelines or evacuate residual product and cleaning solutions, this valve is ideal for applications in food, beverage, dairy, personal care, and industrial markets. Its air-to-open, spring-to-close mechanism ensures reliable backflow prevention, while its 316L stainless steel construction and EPDM sealing components provide durability and chemical resistance. The valve conforms to 3A accepted practices when used with the B45ABFD150 filter disc (sold separately), making it suitable for contact with milk and milk products.

Note: Filter disc (optional) must be used when installed for Accepted Practice 3A 604-05, Supplying Air under Pressure in Contact with Milk, Milk products and Product Contact.

Features

• Fail-Safe Operation: Air-to-open, spring-to-close design prevents backflow and ensures safe, reliable operation.
• Sanitary Construction: Made from 316L stainless steel with EPDM stem seat and gasket for hygienic applications.
• Versatile Applications: Suitable for use in food, beverage, dairy, brewery, winery, personal care, and industrial systems.
• Regulatory Compliance: Meets 3A accepted practice 604-05 for pressurized air contact with dairy products (with optional filter).

Specifications

• Air Connections: 1/2 in. Female NPT Cap, Air Relief Cap
• Approval: 3A Accepted Practice 604-05 (with B45ABFD150 filter disc)
• Cracking Pressure: 9 PSI
• Material: 316L Stainless Steel (Product Contact), 304 Stainless Steel (Non-Product Contact)
• Maximum Operating Pressure: 145 PSI
• Maximum Temperature: 212°F (100°C)
• Seat: EPDM Stem Seat and Gasket
• Size: 1-1/2 in. to 4 in.

Downloads

Product Literature (PDF Download)

Specifications Sheet (PDF Download)