
HI Thread Insert Thread Insert HI
British Standard Pipe Thread ( BSPT ) ( M Chip Breaker ) National Pipe Thread ( NPT ) ( M Chip Breaker )
Pitch Dimensions Pitch Dimensions
CD CD
CL Designation Designation CL Designation Designation
Picture Picture
(Right) ( Left ) ( tpi) d L hmin x f (Right ) ( Left ) ( tpi) d L hmin x f
ERM 16 - 14 BSPT 14 9.525 16 1.16 1.0 1.2 f ERM 16 - 14 NPT 14 9.525 16 1.33 0.9 1.2 f
16 - 11 BSPT 11 9.525 16 1.48 1.1 1.5 X R 0.137P Internal 16 -11.5 NPT 11.5 9.525 16 1.64 1.1 1.5 X
03
55° 03
c c 16 - 8 NPT 8 9.525 16 2.42 1.3 1.8
CD t CD
/ h /
X t X
L±J LU
R 0.137P ii
External
d d
Pitch Dimensions Pitch Dimensions
CD CD
CL Designation
(Right)
Designation
( Left ) ( tpi) d L hmin x f
Picture CL
> . Designation
(Right )
Designation
( Left ) ( tpi) d L hmin x f
Picture
IRM 16 - 14 BSPT 14 9.525 16 1.16 1.0 1.2 IRM 16 - 14 NPT 14 9.525 16 1.33 0.9 1.2 f
16 - 11 BSPT 11 9.525 16 1.48 1.1 1.5 R 0.137P Internal 16 -11.5 NPT 11.5 9.525 16 1.64 1.1 1.5
03
55° 03
c c 16 - 8 NPT 8 9.525 16 2.42 1.3 1.8
CD t CD
h
X t X
LU LU
R 0.137P
External
039 040
British Standard Pipe Thread ( BSPT ) ( U Chip Breaker ) National Pipe Thread ( NPT ) ( U Chip Breaker )
Pitch Dimensions Pitch Dimensions
CD CD
CL Designation Designation CL Designation Designation
Picture Picture
(Right) ( Left ) ( tpi) d L hmin x f (Right ) ( Left ) ( tpi) d L hmin x f
ERU 16 - 14 BSPT 14 9.525 16 1.16 1.0 1.2 ERU 16 -14 NPT 14 9.525 16 1.33 0.9 1.2
x- r
16 - 11 BSPT 11 9.525 16 1.48 1.1 1.5 R 0.137P Internal 16 -11.5 NPT 11.5 9.525 16 1.64 1.1 1.5
03 27.5° 27.5° 03
c c 16 - 8 NPT 8 9.525 16 2.42 1.3 1.8
CD CD
h
X T X
LU LU
90
^ \ -T47 7External
'R 0.137P
Pitch Dimensions Pitch Dimensions
CD CD
Q . Designation Designation Q. Designation Designation
Picture Picture
(Right) ( Left ) ( tpi) d L hmin x f (Right ) ( Left ) ( tpi) d L hmin x f
IRU 16 - 14 BSPT 14 9.525 16 1.16 1.0 1.2 IRU 16 - 14 NPT 14 9.525 16 1.33 0.9 1.2
r -X
16 - 11 BSPT 11 9.525 16 1.48 1.1 1.5 R 0.137P Internal 16 -11.5 NPT 11.5 9.525 16 1.64 1.1 1.5
03 27.5° 27.5° 03
c c 16 - 8 NPT 8 9.525 16 2.42 1.3 1.8
CD CD
h
X t X
LU LU
^ \ f47 7External
R 0.137P
90 '