API TR 13M-5 First Edition PDF
API TR 13M-5 provides a consistent methodology to test and evaluate the performance of friction (drag) reducers in straight, smooth circular conduits. This standard includes only smooth-walled tubing and excludes any rough-walled tubing.
More Standards PDF
API Std 20N:2026
$55.00 $110.00
API RP 2510A:2025
$83.00 $166.00
API RP 13B-1:2026
$133.00 $266.00
API STD 16FI:2026
$41.00 $82.00








