The BSPP male close provides a three hundred seat. The tapered nose of the female swivel seals around the three hundred seat on the male. Although the male conclude is similar into the American National Pipe Straight Mechanical (NPSM) male, the two will not be interchangeable due to the fact http://double-block-and-bleed-va66420.blogzag.com/15779330/jic-fittings-fundamentals-explained