Our Products
Rugged Fittings for Marine Hardware
Rugged, corrosion-resistant fittings engineered for harsh naval environments, defense, and shipbuilding.
Product Overview
Penn Machine’s forged fittings for marine hardware are specifically engineered to withstand the unique challenges of shipboard, naval defense, and offshore applications. Our fittings provide superior durability against corrosion and extreme pressures. From shipbuilding to marine systems, our U.S.-manufactured products are the reliable choice for engineers and buyers who demand certified, high-performance components.


Key Features
Here are some qualities that set Penn Machine marine products apart:
- Forged from corrosion-resistant alloys, including stainless and copper-nickel.
- Designed to withstand high-pressure marine systems and demanding sea conditions.
- Meeting critical industry specifications for naval defense, shipbuilding, and marine hardware.
- Full traceability with Material Test Reports (MTRs) provided on request.
- 24/7 rush delivery service for urgent repair and maintenance needs.
Technical Specifications
Our marine fittings are available in a variety of dimensions and pressure ratings suitable for shipboard and defense applications. They are available in a full range of alloys, including copper-nickel, to provide maximum corrosion resistance. Refer to our downloadable spec sheets for detailed technical data on our full product line.


Certifications and Compliance
Our dedication to quality is unwavering. We manufacture all our marine products to meet or exceed industry standards and provide them with full traceability. We adhere to rigorous certifications, including ISO 9001:2015 and the European Pressure Equipment Directive (PED) 2014/68/EU certifications, ensuring every component is safe and reliable for marine use. Penn Machine is registered in System for Award Management (SAM), qualifying us to do business with the U.S. government — Cage: 3K374, UEI# CN4DJZSKM3Y3.
Typical Applications
Applications for Penn Machine products include:
Marine propulsion and ballast systems.
Naval, defense, and commercial shipbuilding.
Cryogenic systems on LNG carriers.
Offshore oil and gas platforms and sub-sea applications.
Related Products
Explore our broader catalog for a full line of products to complete your system. Our product range includes forged steel shape fittings, bar fittings, branch connections, flanges, and swages, all manufactured to the same exacting standards.
Request A Quote
Contact us today to discuss your project. Our team is available to help with specifications and reduce lead times by quickly providing you with a detailed quote for your order. (Please note: A flow down of all technical documents, drawings, and specifications is required to provide a quote.)