CAZAL （ブルーグレー） LEGENDS カザールレジェンズ 【中古】麻布

Pipe Thread
Interchangeability Chart
L Do NOT Interchange
K Interchangeable but NOT Recommended
L Interchangeable
American National Standard ANSI B1.20.3-1976
Dissimilar Flank Angles - may result in
excessive leakage or gailing of threads.
British Standard BS 21 : 1973
International Standard ISO 7 / 1 - 1982
Japanese Industrial Standard JIS B 0203 - 1982
The information in this document is for referece puroses only. If any questions arise from the use of this document, please
refer to the original standards referenced within this document. They are the final authority on Pipe Thread Specifications
1/16
SERIES
1/8
SERIES
± o ± o ± o ± o ± o
PT 1/ 8
Swift Fit 1/ 8
1
a.k.a 1/16 - 28 BSP.T
2
a.k.a 1/16-28 BSP.P
3
a.k.a 1/ 8 - 28 BSP.T
PS 1/ 8
ISO 7/1 - R 1/ 8
R 1/ 8
PT 1/8
3
Rp 1/ 8
1/8 -27 NPT
R 1/ 8
Rc 1/ 8
ISO 7/1 - R 1/16
R 1/16
u
u
u
u
u
ISO 7/1 - Rp 1/ 8
L
J
J
J
ISO 7/1 - Rc 1/ 8
L
J
J
J
J
L
L
L
L
J
J
L
L
L
L
J
L
J
J
J
J
J
L
J
J
J
J
J
L
J
J
J
J
J
L
J
J
J
J
J
L
J
J
J
J
J
L
J
J
J
J
J
L
J
J
J
J
J
L
J
J
J
J
J
4
4
Rp 1/16
L
J
J
J
Rp 1/ 8
Rc 1/16
L
J
J
J
Rc 1/ 8
ISO 7/1 - Rp 1/16
L
J
J
J
NPSF
ISO7/1 - Rc 1/16
L
J
J
J
3
Rp 1/16
J
L
L
L
1
NPT
Rc 1/16
J
L
L
L
1/6 -27 NPT
R 1/16
u EXTERNAL TAPERED
1/ 8-27
2
1/16-27
u
u
u
u
o INTERNAL PARALLEL
1/ 8 -27
NPSF
1
u EXTERNAL TAPERED
o INTERNAL PARALLEL
± o ± o ± o ± o ± o
± INTERNAL TAPERED
1/16 -27 NPT
± INTERNAL TAPERED
a.k.a 1/ 8-28 BSP.P
1/ 4
SERIES
3/ 8
SERIES
± o ± o ± o ± o ± o
a.k.a 1/ 4 - 19 BSP.T
6
7
L
J
J
J
J
J
L
J
J
J
J
J
L
J
J
J
J
J
L
J
J
J
J
J
L
J
J
J
J
J
L
J
J
J
J
J
L
J
J
J
J
J
L
J
J
J
J
J
8
a.k.a 3/ 8-19 BSP.P
a.k.a 1/ 2 - 14 BSP.T
10
Rp 3/ 4
PT 3/4
PS 3/ 4
K
J
J
J
J
J
Rc 3/ 4
K
J
J
J
J
J
ISO 7/1 - Rp 3/ 4
K
J
J
J
J
J
ISO 7/1 - Rc 3/ 4
K
J
J
J
J
J
u
u
u
u
u
J
K
K
K
K
J
K
K
K
K
K
J
J
J
J
K
J
J
J
J
K
J
J
J
J
K
J
J
J
J
K
J
J
J
J
K
J
J
J
J
K
J
J
J
J
K
J
J
J
J
a.k.a 1/ 2 - 14 BSP.P
11
3/4 -14 NPT
R 3/ 4
11
ISO 7/1 - R 3/ 4
R 3/ 4
PT 3/ 4
a.k.a 3/ 4 - 14 BSP.T
12
12
K
J
J
J
J
J
Rp 3/ 4
PS 1/ 2
K
J
J
J
J
J
Rc 3/ 4
PT 1/ 2
K
J
J
J
J
J
11
Rp 1/ 2
K
J
J
J
J
J
o INTERNAL PARALLEL
NPSF
Rc 1/ 2
J
K
K
K
K
J
3/ 4-14
ISO 7/1 - Rp 1/ 2
J
K
K
K
K
J
u EXTERNAL TAPERED
3/ 4-14
10
ISO7/1 - Rc 1/ 2
PT 1/2
Swift Fit 1/ 2
Rp 1/ 2
ISO 7/1 - R 1/ 2
R 1/ 2
9
9
Rc 1/2
1/ 2 - 14 NPT
1/ 2 - 14 NPSF
u EXTERNAL TAPERED
± o ± o ± o ± o ± o
± INTERNAL TAPERED
1/ 2 - 14 NPT
o INTERNAL PARALLEL
9
J
L
L
L
L
J
a.k.a 3/ 8 - 19 BSP.T
± o ± o ± o ± o ± o
R 1/ 2
J
L
L
L
L
J
3/ 4
SERIES
± INTERNAL TAPERED
u
u
u
u
u
PS 3/ 8
PT 3/ 8
PT 3/8
ISO 7/1 - R 3/ 8
R 3/ 8
Swift Fit 3/ 8
a.k.a 1/ 4 - 19 BSP.P
1/ 2
SERIES
7
Rp 3/ 8
3/8 -27 NPT
R 3/ 8
Rc 3/ 8
u
u
u
u
u
ISO 7/1 - Rp 3/ 8
L
J
J
J
J
J
ISO 7/1 - Rc 3/ 8
L
J
J
J
J
J
8
L
J
J
J
J
J
Rp 3/ 8
L
J
J
J
J
J
Rc 3/ 8
L
J
J
J
J
J
NPSF
L
J
J
J
J
J
7
PS 1/ 4
L
J
J
J
J
J
NPT
PT 1/ 4
L
J
J
J
J
J
3/ 8-18
Rp 1/ 4
J
L
L
L
L
J
u EXTERNAL TAPERED
3/ 8-18
Rc 1/ 4
J
L
L
L
L
J
o INTERNAL PARALLEL
NPT
5
ISO 7/1 - Rp 1/ 4
PT 1/4
Swift Fit 1/ 4
6
ISO 7/1 - R 1/ 4
R 1/ 4
ISO7/1 - Rc 1/ 4
5
Rp 1/ 4
1/ 4 - 18 NPT
R 1/ 4
5
u
u
u
u
u
Rc 1/4
u EXTERNAL TAPERED
1/ 4 - 18 NPSF
o INTERNAL PARALLEL
± o ± o ± o ± o ± o
± INTERNAL TAPERED
1/ 4 - 18 NPT
± INTERNAL TAPERED
a.k.a 3/ 4 -14 BSP.P