Dual Check Valve with Atmospheric Port & Strainer – Series SD-3
This Series SD-3 dual check valve is designed for carbonated beverage systems to prevent backpressure backflow of contaminants such as carbon dioxide gas and carbonated water into potable water supplies.
Constructed with a durable stainless steel body and internal rubber components, this unit is suitable for both continuous and intermittent pressure applications. It features an atmospheric port for visual indication of second check failure and an integrated wye pattern strainer for added system protection.
Ideal for post-mix carbonated beverage equipment as well as tea and coffee dispensing systems, the Series SD-3 provides reliable backflow prevention in commercial beverage applications.
- Available sizes: 1/4" and 3/8" (8mm and 10mm)
- Designed for continuous and intermittent pressure applications
- Prevents backpressure backflow into potable water systems
- Stainless steel body construction for durability
- Atmospheric port for visual failure indication
- Integrated wye pattern strainer
- Suitable for carbonated beverage, tea, and coffee equipment
- Lead-free models available
- Maximum working pressure: 150 psi (10 bar)
