DELPHI FITTINGS
Part #: W44
NPTF Pipe Female x Code 62 Flange Pad Adapter
Product Overview
The Delphi Fittings Part W44 is a specialized high-pressure flange pad adapter (also known as a block flange or monoblock flange adapter). It is precision-machined from high-quality carbon steel and designed to provide a direct, robust connection from a component surface with an SAE Code 62 (heavy-duty) bolt pattern to a male NPTF (National Pipe Taper Fuel / Dryseal) threaded pipe or fitting. This one-piece adapter features an integral Code 62 flange head with an O-ring groove on its base, which seals directly against the component's flat port face. The other connection point is a female NPTF pipe thread. Unlike standard flange head adapters that require separate split flange clamps, the W44 pad adapter is bolted directly to the component using its integrated bolt holes. Typically zinc-plated for corrosion resistance, the W44 adapter conforms to SAE J518 (for the Code 62 flange pattern) and ANSI B1.20.3/SAE J476 (for the NPTF thread) standards, ensuring exceptional performance in demanding high-pressure hydraulic systems.
Key Features & Specifications
| Material | High-Grade Carbon Steel |
|---|---|
| End 1 Configuration | Female NPTF Pipe (Dryseal) (threads conforming to ANSI B1.20.3 / SAE J476) |
| End 2 Configuration | SAE Code 62 Flange Pad (Heavy Duty) (integral flange head with O-ring groove and bolt holes, dimensions conforming to SAE J518 / ISO 6162-2 for Code 62 port pattern) |
| Body Style | Straight Flange Pad / Block Flange Adapter. |
| Sealing Mechanism | NPTF Female End: Forms a Dryseal (metal-to-metal) when mated with a male NPTF fitting. If connecting to a standard NPT male fitting, the use of a compatible thread sealant on the male NPT threads is recommended for optimal sealing. Flange End: Utilizes an elastomeric O-ring (seated in the groove on the flange pad face) which compresses against the flat surface of the mating Code 62 port. The adapter is secured directly by high-strength bolts through its integral flange holes. |
| Corrosion Protection | Standard Zinc Plating for enhanced durability. |
| Primary Function | To provide a direct, bolted Code 62 flange connection to a component port, adapting it to a female NPTF pipe thread for connection to a male NPTF pipe or fitting in high-pressure applications. |
| Working Pressure | Suitable for heavy-duty high-pressure hydraulic systems as defined by SAE Code 62 (typically up to 6000 PSI). |
| O-Ring Material (for Flange end) | Typically Buna-N (Nitrile) 90 Durometer as standard. Viton® (FKM) or other materials available upon request for specific fluid or temperature compatibility. The O-ring is supplied with the fitting. |
Commonly Available Sizes (Part #W44 Series)
Delphi Fittings offers the NPTF Pipe Female x Code 62 Flange Pad Adapter in various common NPTF and Code 62 flange sizes for high-pressure applications.
Examples include (Female NPTF x Code 62 Flange Size):
- W44-08-08: 1/2" NPTF Female x 1/2" (-08) Code 62 Flange Pad
- W44-12-12: 3/4" NPTF Female x 3/4" (-12) Code 62 Flange Pad
- W44-16-16: 1" NPTF Female x 1" (-16) Code 62 Flange Pad
- W44-20-20: 1-1/4" NPTF Female x 1-1/4" (-20) Code 62 Flange Pad
Note: Each flange pad includes an appropriate O-ring. This adapter is designed to be bolted directly to the component port; ensure appropriate high-strength bolt lengths and grades are used for the application. For unlisted size combinations, specific material requirements (e.g., stainless steel options), or other custom needs, please contact our sales team.
Applications
The Part W44 NPTF Pipe Female x Code 62 Flange Pad Adapter is ideal for:
- Directly mounting to high-pressure hydraulic components (such as heavy-duty pumps, motors, valves, and manifolds) that have a SAE Code 62 port pattern, providing a female NPTF port for connecting pipes or other male NPTF threaded fittings.
- Applications where a compact, integrated, and extremely robust flange connection is preferred for its strength and to reduce potential leak paths in severe-duty systems.
- Use in mobile equipment (large excavators, mining machinery), industrial machinery (high-tonnage presses), and various hydraulic systems requiring a secure and reliable transition from a Code 62 flange port to an NPTF threaded connection under extreme pressures.
- Installations where space is limited and a direct block-style flange adapter offers a more streamlined profile for high-pressure lines.
Installation & Usage Guidelines
- Ensure the Code 62 flange pad face, its O-ring groove and O-ring, the mating component port surface, and the female NPTF threads are meticulously clean, undamaged, and entirely free from any contaminants.
- Verify that the O-ring for the flange end is the correct size and material for the high-pressure application and is properly lubricated with system-compatible fluid.
- Carefully install the lubricated O-ring into the groove on the flange pad face of the adapter.
- Position the flange pad squarely against the mating Code 62 port face on the component, ensuring the bolt holes align correctly.
- Insert the appropriate high-strength mounting bolts (typically four, with lock washers if specified by the equipment manufacturer) through the integral flange holes of the W44 adapter and into the tapped holes in the component port.
- Lightly snug all bolts. Then, tighten them progressively and evenly in a diagonal or cross-pattern sequence to the manufacturer's recommended torque specification for the Code 62 flange size and bolt grade to ensure even O-ring compression.
- For the female NPTF end, thread a mating male NPTF pipe or fitting into it. While NPTF threads are designed for a Dryseal, applying a compatible thread sealant (such as PTFE tape or pipe dope) to the male NPTF threads is often recommended, especially if mating with standard NPT male threads or for optimal sealing in very high-pressure NPTF connections. Tighten to the recommended specification for the NPTF connection.
- Use appropriate backup wrenches on the hex features of the adapter body when tightening the NPTF connection if necessary.
Why Choose Delphi Fittings Part W44?
- Maximum Pressure Integrated Design: The one-piece Code 62 flange pad (block flange) design offers an extremely strong, direct connection to high-pressure Code 62 ports, reducing components and potential leak paths.
- Reliable Dual Sealing: Combines the secure bolted Code 62 flange O-ring seal on the component side with the robust NPTF Dryseal thread for the pipe or fitting connection.
- Simplified Assembly for High Pressure: Can reduce component count compared to using traditional flange head adapters with separate split flange clamps in very high-pressure scenarios.
- Standard Compliance: Meets SAE J518 (Code 62) for the flange pattern and ANSI B1.20.3/SAE J476 for NPTF threads, ensuring compatibility.
- Durable Carbon Steel Construction: Manufactured from high-grade carbon steel for exceptional strength and longevity in severe-duty hydraulic environments.
- Enhanced Corrosion Resistance: Standard zinc plating provides robust protection against environmental factors.
- Quality-Assured Manufacturing: Produced under Delphi Fittings' rigorous ISO 9001:2015 certified quality management system.
Get a Quote for Part W44 - NPTF Female x Code 62 Flange Pad Adapter
For robust, integrated, high-pressure connections adapting Code 62 flange ports directly to female NPTF connections, the Part W44 Flange Pad Adapter is an excellent solution for the most demanding applications. Contact Delphi Fittings today for wholesale pricing, bulk order information, and expert technical support.
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