Precision Forged Fittings Since 1931 for the World’s Most Demanding Industries

For nearly a century, Penn Machine has been a leader in forged fittings and branch connections. We supply a complete line of forged fittings, branch connections, and specialty pieces, including swage nipples. We’re committed to working with our distributors to supply end users with high-quality products for the most critical environments.

From the largest petrochemical refineries to nuclear power and marine shipbuilding, we make our products to perform under extreme pressure and stress. We deliver world-class quality with a focus on quick turnaround and complete traceability.

Six people wearing work uniforms stand together and smile in an industrial workshop setting, with machinery and equipment visible in the background.

Why Choose Penn Machine?

24/7 Emergency Service

Specialists are available 24 hours a day, 7 days a week for your emergency needs.

Complete Product Line

We manufacture fittings, branch connections, swage nipples, and more in a range of sizes and offer quick and complete deliveries.

Guaranteed Traceability

Access Material Test Reports and track your processed orders anytime, 24/7, with our proprietary MetalTrace® system.

Domestic Manufacturing

Products are machined and tested in the USA, ensuring compliance with the most stringent domestic infrastructure requirements, including ISO, PED, AIS, BABA, and NSF61/372.

Custom Manufacturing

No order is too difficult. We custom machine specialty fittings to your exact specifications.

Services

Electro-polishing, material tracing, PMI, and special-order handling.

Exotic Alloys for Extreme Environments

We specialize in fittings built for highly corrosive and high-pressure applications.

Ready to Discuss Your Project?

Max. file size: 15 MB.
This field is hidden when viewing the form