1-1/2 inch Carbon Steel 400G Gas Press Coupling with Stop Press x Press

1-1/2" Carbon Steel Press Coupling with Stop – Gas-Rated, ASTM F3226 Compliant

The 1-1/2" Carbon Steel Gas Press Coupling with Stop is a press-to-connect fitting designed for joining Schedule 10 to Schedule 40 carbon steel pipe in fuel gas distribution systems. Manufactured from ASTM A420 carbon steel, this coupling conforms to ASME B31 codes and is approved for use in above-ground gas piping applications under ANSI LC 4/CSA 6.32 certification.

The integrated stop facilitates correct insertion depth, while the EPDM sealing element and patented press design ensure a leak-resistant, mechanical connection without welding, threading, or soldering. The fitting is compatible with standard pressing tools and jaws (typically M-profile), enabling fast and secure installation across a range of commercial and industrial gas systems.

Technical Specifications

• Nominal Size: 1-1/2 inch
• Connection Type: Press x Press (Mechanical Joint with Stop)
• Material: ASTM A420 Carbon Steel
• Sealing Element: Yellow HNBR (Hydrogenated Nitrile Butadiene Rubber), gas-rated per ASTM F3226
• Pressure Rating: Up to 125 PSI (natural gas, LP gas, and compressed air applications)
• Temperature Range: -40°F to 180°F (based on HNBR seal rating)
• Certifications: ANSI LC 4/CSA 6.32, IAPMO listed, ICC-ES PMG, ASME B31.3, B31.1 compliant

Key Product Features

• ✅ Integrated Stop: Assists with accurate pipe alignment and press positioning.
• ✅ Non-Flame Installation: Eliminates the need for hot work permits or fire watch in occupied buildings.
• ✅ Mechanical Reliability: Creates a permanent, secure seal suitable for gas distribution and fuel piping systems.
• ✅ Code-Approved: Listed for use in fuel gas systems by national model codes and third-party certifications.

Applications

This gas-rated press coupling is commonly specified for use in commercial and industrial gas infrastructure, including boiler feed lines, rooftop unit connections, and large appliance installations. It is also approved for use in certain underground or concealed piping systems when allowed by local code and installed with corrosion protection.

Installation Guidance

Use approved pressing tools and M-profile jaws sized for 1-1/2" carbon steel pipe. Ensure pipe ends are cut square, deburred, and marked for insertion depth. Verify seal integrity prior to pressing. Pressing must be performed within the manufacturer’s specifications for temperature and alignment. No thread sealant or tape is required.

Conclusion

The 1-1/2" Carbon Steel Gas Press Coupling with Stop delivers a code-compliant, flame-free joining method for carbon steel gas piping systems. With its robust construction, integrated sealing technology, and compatibility with national fuel gas standards, it is an optimal choice for professionals requiring efficient and durable gas pipe connections in high-demand environments.