Can Pressure Class Pipe be direct tapped? Corporation stop manufacturers advise that four threads are required to retain the stop and provide water tightness. By uspipe@gmail.com|2026-03-17T15:55:18+00:00December 22, 2020|Technical Tools - FAQs|0 Comments Read More
Can Ductile Iron pipe be used for pressure applications in excess of the maximum Pressure Class (350 psi) listed in ANSI/AWWA C150/A21.50 and ANSI/AWWA C151/A21.51 Standards? By uspipe@gmail.com|2026-03-17T16:06:10+00:00December 22, 2020|Technical Tools - FAQs|0 Comments Read More
ANSI/AWWA C150/A21.50 and ANSI/AWWA C600 standards recommend that for 14-inch and larger diameter Ductile Iron pipe, consideration should be given to the use of laying conditions other than Type 1. What is the reason for this? By uspipe@gmail.com|2026-03-17T16:06:38+00:00December 22, 2020|FAQs // USIFLEX Ductile Iron Pipe, Technical Tools - FAQs|0 Comments Read More
What is the purpose of the “service allowance” used in Ductile Iron pipe wall thickness design? By uspipe@gmail.com|2026-03-17T16:07:00+00:00December 22, 2020|Technical Tools - FAQs|0 Comments Read More
What is the maximum velocity recommended for cement-lined Ductile Iron pipe? By uspipe@gmail.com|2026-03-17T16:07:20+00:00December 22, 2020|Technical Tools - FAQs|0 Comments Read More
What lining is typically used for Ductile Iron pipe transporting seawater? By uspipe@gmail.com|2026-03-17T16:07:46+00:00December 22, 2020|FAQs // Flanged Fittings, FAQs // Flanged Pipe, FAQs // Mechanical Joint Pipe, FAQs // TR FLEX® Restrained Joint Fittings, Technical Tools - FAQs|0 Comments Read More
Can a plain end pipe spigot be assembled into a restrained joint pipe bell such as HDSS® or HP LOK®? By uspipe@gmail.com|2026-03-17T16:08:36+00:00December 22, 2020|Technical Tools - FAQs|0 Comments Read More
What types of joints can be buried? By uspipe@gmail.com|2026-03-17T16:09:43+00:00December 22, 2020|FAQs // Mechanical Joint Pipe, FAQs // TR FLEX® and HP LOK® Telescoping Sleeves, FAQs // USIFLEX Ductile Iron Pipe, FAQs // Welded Outlets for Ductile Iron Pipe, Technical Tools - FAQs|0 Comments Read More
What are the UL and FM listings for U.S. Pipe products? By uspipe@gmail.com|2026-03-17T16:10:44+00:00December 22, 2020|FAQs // FIELD LOK 350® Gaskets, FAQs // Mechanical Joint Fittings, FAQs // Mechanical Joint Pipe, FAQs // TRIM TYTON® Ductile Iron Fittings, FAQs // TYTON® Fittings, Technical Tools - FAQs|0 Comments Read More
What linings are available for U.S. Pipe Ductile Iron Pipe? By uspipe@gmail.com|2020-12-22T20:31:48+00:00December 22, 2020|Technical Tools - FAQs|0 Comments Read More
