Answer
Jan 27, 2025 - 11:19 AM
The standards for the National Pipe Taper Fuel (NPTF) threads are outlined by the American National Standards Institute (ANSI) and the American Society of Mechanical Engineers (ASME). NPTF threads, also known as "Dryseal" threads, are designed to provide a leak-free seal without the need for additional sealants. They achieve this by having a tighter tolerance on the thread form, which allows the threads to deform slightly and create a seal through metal-to-metal contact.
