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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
10
NORTH AMERICAN FITTINGS & FLOW CONTROL VALVE CATALOG
>
Release 8.6
TECHNICAL DATA
Thread
Size
A
Threads
per Inch
B
Thread
Outside
Diameter
1/4
19
.51"
3/8
19
.65"
1/2
14
.82"
3/4
14
1.03"
1
11
1.30"
Thread
Size
mm
A
mm
Between
Threads
B
Thread
Outside
Diameter
12
1.5
.47"
14
1.5
.55"
16
1.5
.63"
20
1.5
.79"
22
1.5
.88"
27
2.0
1.06"
Thread
Size
A
Threads
per Inch
B
Thread
Outside
Diameter
1/4
19
.47"
3/8
19
.60"
1/2
14
.76"
3/4
14
.93"
1
11
1.23"
General Metric Pipe Threads
British Standard Pipe Parallel
Thread
The British Standard pipe parallel (BSPP) is used
primarily for threaded ports and is similar to SAE
straight thread. The male has straight threads and an
o-ring. The BSPP 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.
British Standard Pipe Taper
The British Standard pipe taper (BSPT) male has
tapered threads The BSPT female has tapered
threads. The seal takes place by deformation of the
threads.
Metric Thread
The metric thread is similar to the SAE straight
thread as the seal is created by an o-ring on the
male creating a seal on the smooth face or surface
of the female.