WATERAX 100' Hotline Professional Forestry 1-1/2" NH Thread Fire Hose
The most popular layflat forestry hose in North America and used by all major forestry and fire fighting agencies, now can be in your hands. It features single jacket 100 percent spun polyester and is lined with TPU elastomer. Yellow ENCAP treatment improves visibility and durability, and it's 600 PSIG proof tested for minimal friction loss. Use what the pros use - use Hotline.
Basic explanation of the different threads and their uses
What is the difference between "NH", "NST", "NPSH", "IPT", and "NPT" threads? "NH", or National Hose, thread is the thread that has become the standard thread used in firefighting today (Cal Fire and Municipal Fire Departments). The threads specified in NFPA 1963 are "NH". This thread was previously known as "NST" or National Standard Thread. "NPSH", or National Pipe Straight Hose, is slightly smaller in diameter and has more threads per inch than the same nominal diameter "NH" thread. "NPSH" thread is sometimes referred to as "IPT", or Iron Pipe Thread and is commonly used in Forestry applications (USFS). "NH" and "NPSH" threads are not interchangeable. "NH" and "NPSH" threads are straight threads and require a gasket for sealing between mating threads. "NPT", or National Pipe Tapered, is the thread most commonly found in plumbing applications. Being tapered, the seal between mating threads is made by squeezing the threads together. No gasket is used. "NPT" and "NPSH" threads are similar in diameter and threads per inch.
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