NDL is the first manufacturer of CRN-approved check valves for pressures up to 140 bar. Our CO2  check valves can hold five times their maximum working pressure, netting a tremendous safety margin for any valve used in CO₂ systems.

• Size and Connections
  A wide range of sizes and connection types makes our CO2 check valves compatible with main pipe types manufactured from copper iron alloys and stainless steel
• Stainless Steel Body
  The NDL CO2 check valves feature a stainless steel body for stainless steel and copper-alloy connections
• Tested for High Quality
  Each valve is helium tested at the factory to guarantee leak-free performance
• Compact and Efficient Design
  Features a compact, streamlined design that minimizes flow resistance, ensuring optimal performance, energy efficiency, and easy installation.
• Unparalleled Warranty
  Our two-year warranty proves confidence. Every CO2 check valve is tested and the serial number is stamped. Valves are cleanly packaged in poly bags and boxed to prevent contamination in transit to the job sites

Certifications and Approvals:

• CE
• RoHS
• UL-Listed (Stainless Steel Check Valves)
• CRN Approved (Stainless Steel Check Valves)