API Std 641

Type Testing of Quarter-turn Valves for Fugitive Emissions, First Edition

American Petroleum Institute , 10/01/2016

Publisher: API

File Format: PDF

$70.00$140.00


This standard specifies the requirements and acceptance criteria for fugitive emission type testing of quarter-turn valves. The type testing requirements contained herein are based on elements of EPA Method 21.Valves larger than NPS 24 and valves greater than ASME B16.34 class 1500 are outside the scope of this standard. Valves with a pressure rating at ambient temperature less than 6.89 barg (100 psig) are outside the scope of this standard. Repacking or resealing of valves is outside the scope of this standard.

More API Standards PDF

API 560

API 560

$90.00 $180.00

API RP 540 (R2004)

API RP 540 (R2004)

$105.00 $210.00

API Publ 351

API Publ 351

$72.00 $144.00

API Std 614

API Std 614

$103.00 $206.00