What is the Difference Between Rigid and Flexible PVC Conduit?
Explore the key differences between rigid and flexible PVC conduit, their fittings, and ideal applications for indoor and outdoor electrical wiring systems.

Explore the key differences between rigid and flexible PVC conduit, their fittings, and ideal applications for indoor and outdoor electrical wiring systems.
Explore TIS PVC pipe and fitting standards, types, and uses in water, drainage, and electrical systems. Contact ULP for reliable, custom TIS PVC pipe and fittings.
Compare DB60, DB100 & DB120 PVC conduits. Discover how to choose the right type and why ULP is your trusted supplier for custom conduit solutions.
Explore the difference between electrical conduit and plumbing pipe. ULP offers high-quality conduit and pipes, along with custom solutions tailored to your project.
Explore the benefits of SCH 80 PVC conduit for industrial and underground applications. ULP provides you with high-quality SCH 80 PVC conduit and fittings.
Explore the best SCH 40 PVC conduit and fittings for residential wiring. Learn about applications, top manufacturers, and expert installation tips.
Explore the differences between PVC and HDPE pipes. Compare durability, installation, and applications to choose the best pipe at ULP for your project.
Compare SCH 40 and SCH 80 PVC conduit and fittings. Learn key differences, applications, and how to choose the right type for your electrical or plumbing project.
TIS 216-2524 (released in 1981) is a technical specification for PVC-U (Unplasticized Polyvinyl Chloride) pressure piping fittings developed by the Thai Industrial Standards Institute (TISI), applicable to PVC-U fittings for socket or adhesive connections in water supply, irrigation, and other pressure fluid delivery systems.
This standard specifies the material requirements, dimensional tolerances, physical properties, testing methods, and markings for PVC-U fittings, ensuring the safety and durability of the product under pressure conditions.