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The company reserves the right to vary models and dimensions without notice.
These products are designed for industrial applications and are not suitable for sale to the general public.
TECHNICAL DATA
Technical Data
10
NORTH AMERICAN FITTINGS & FLOW CONTROL VALVE CATALOG
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Release 8.6
General Pipe Thread Identification Guide
IPT or NPT Pipe Thread
The NPTF (IPT) male will mate with the NPTF
or NPSM female. The NPTF (IPT) male has
tapered threads and a 30° inverted seat. The
NPTF female has tapered threads and no seat.
The seal takes place by deformation of the
threads. The NPSM female has straight threads
and a 30° inverted seat. The seal takes place on
the 30° seat.
SAE 45-degree Flare
The SAE 45° flare male will mate with an SAE
45° flare female only. The SAE male has straight
threads and a 45° flare seat. The SAE female has
straight threads and a 45° flare seat. The seal is
made on the 45° flare seat.
SAE Inverted Flare
The SAE 45° inverted flare male will mate with
a 42° inverted flare female only. The male has
straight threads and a 45° inverted flare. The
female has straight threads and a 42° inverted
flare. The seal is made on the 45° flare seat on the
male and the 42° flare seat on the female.
JIC 37-degree Flare
The JIC 37° flare male will mate with a JIC female
only. The JIC male has straight threads and a 37°
flare seat. The JIC female has straight threads and
a 37° flare seat. The seal is made on the 37° flare
seat.
SAE Straight Thread O-Ring
Boss
The o-ring boss male will mate with an o-ring boss
female only. The female is generally found on
equipment ports. The male has straight threads
and an o-ring. The female has straight threads and
a sealing face. The seal is made at the o-ring on
the male and the sealing face on the female.