These Pipes are manufactured and tested according to the requirements of American Standard NEMA, i.e. NEMA TC-2 or NEMA TC 6 & 8 and meet all the requirements.
Applications: for installation underground for communications & electrical wire & cable.

Product information for NEMA TC- 2, like outside diameter, (Tolerance on O.D.) & wall thickness are given in Table 3 & for NEMA TC- 6 & 8 given in Table 4 as attached.