1 inch Carbon Steel 403G Gas Press Adapter Press x Female

1" Carbon Steel Gas Press Adapter – Industrial-Grade Gas Line Connection

The 1" Carbon Steel Gas Press Adapter from Apollo PowerPress is engineered for secure, permanent connections in gas piping systems. Constructed from durable carbon steel and featuring a press connection on one end with NPT threading on the other, this adapter enables quick, flame-free installation in demanding commercial and industrial environments.

Its zinc-plated finish enhances corrosion resistance, while the double-seal EPDM O-ring provides a reliable gas-tight seal. This fitting is intended for use in fuel gas distribution systems and meets rigorous performance standards for mechanical strength and sealing integrity.

Key Benefits for Contractors

• ✅ Carbon Steel Body – Machined from Schedule 40 carbon steel pipe for high strength and durability under pressure.
• ✅ Press x MNPT Configuration – Combines a press-fit connection with a male threaded end for flexible system design.
• ✅ Flame-Free Installation – Ideal for job sites where hot work permits are restricted or open flames are prohibited.
• ✅ Reliable Gas Sealing – Equipped with factory-installed HNBR (Hydrogenated Nitrile Butadiene Rubber) O-rings suitable for natural gas and propane applications.
• ✅ Third-Party Certified – ASME B16.51, ANSI LC 4/CSA 6.32 compliant; listed by CSA and IAPMO for fuel gas applications.

Technical Specifications

• Size: 1 inch nominal pipe size (NPS)
• Material: Carbon Steel (Schedule 40)
• Finish: Zinc-plated for corrosion resistance
• Connection Type: Press x Male NPT
• Seal Type: Yellow HNBR O-ring (pre-installed)
• Max Working Pressure: 125 psi for fuel gas systems
• Temperature Rating: -40°F to 180°F

Applications

Used in fuel gas distribution lines in commercial, industrial, and multifamily residential settings. Typical applications include black iron replacement in rooftop units, boilers, unit heaters, and generators requiring a threaded transition point.

Installation Notes

This adapter is compatible with industry-standard pressing tools and jaws. Proper preparation, including pipe deburring and depth marking, is critical for ensuring a successful press. Always verify compliance with local codes and pressure test after assembly.

Note:

This product is not intended for potable water systems. For flammable gas applications only—use only with press systems that support carbon steel gas press fittings.