dimension note mmin threads the thread forms and their corresponding specifications ... discussed later these cover the basic forms of the threads but size if instruments ... pipe threads bs 2779 iso/r 228 same for both bspp and bspt british taper pipe ... diameters thread pitch and fitting seat angles the ta-1002 thread measuring ... similar to inch-sized threads except for the sizing which is based on standard ... chart these dimensions will be common for both parallel and tapered threads the ... first step in identifying thread forms is to determine if the thread is ... tapered parallel threads are not used for sealing fluids sealing is achieved by ... machined ring into the hex itself or a seat machined into the end of the fitting ... connections where the threads are used for retention of the sealing method against ...
fitting style is the 24° metric tube seat this style incorporates a tapered seat ... body with a bite-type sleeve or ferrule for the connection when the nut is ... tightened the tapered seat forces the sleeve into the tube creating a ... light and heavy series and is designed for medium and high pressure applications ... by the combination of the 24° internal seat and a male metric parallel thread the ... can be determined by measuring the seat counterbore which is the approximate ... 30° flare jis similar to bspp and a 30° seat the seal is made when contact is made ... the jic 37° flare carefully measure the seat angle the threads in this series ... .2 2-5/16 58.2 figure 6 metric 60° tube seatdin 7631 this series combines an internal ... 60° seat with parallel metric light series ... can be identified by the internal 60° seat on the male metric threaded portion ...
