3/8" Tube × 3/8" Tube Push-to-Connect Check Valve

The 322 Water Quick Connect Check Valve is a push-to-connect inline valve designed to allow fluid flow in one direction while preventing reverse flow in water, beverage, food, and air systems. Its one-touch connection design allows tubing to be quickly inserted and securely sealed without tools, making installation fast and reliable in residential, commercial, and industrial applications such as water treatment, filtration systems, and beverage dispensing equipment.

Construction & Materials

Manufactured from durable white acetal copolymer, the valve features a food-grade EPDM O-ring and internal sealing components designed to provide excellent sealing performance and long-term durability against leakage. All 322 Water fittings and valves are made from FDA-approved materials suitable for potable water and food contact applications.

Certifications

322 Water products are produced under ISO9001 quality management and ISO14001 environmental management systems. Materials and components meet or are certified to the following standards:

• NSF/ANSI 51

• NSF/ANSI 61

• WRAS

• ICIM

• KTW

Performance Specifications

322 Water push-connect valves are designed for reliable operation across a wide range of applications.

• Fluid Type: Water, beverages, food liquids, air, and gas

• Working Pressure: 0 – 230 PSI (0 – 16 kgf/cm²)

• Working Temperature: 34 – 140°F (0 – 60°C)

Compatible Tubing

Designed for use with the following tubing materials:

• Polyethylene (PE)

• Polyamide (PA)

• Polyurethane (PU)