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Couplings, NPT-threaded

Tube, pipe, fittings and flanges

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ASTM A182 3000 lbs, ASME B16.11 / BS 3799

Full couplings

Product code example:

FTCO-316L-1/4-3000

● = stock standard

Nominal pipe size L D B
Weight
ASTM
ASTM
in. mm mm mm ~kg/pce 304/304L 316/316L
1/4
3/8
1/2
3/4
34.9
38.1
47.6
50.8
19.1
22.2
28.6
34.9
8.13
9.14
10.92
12.70
0.05
0.06
0.14
0.20
●
●
●
●
●
●
●
●
1
1 ¼
1 ½
2
60.3
66.7
79.4
85.7
44.5
57.6
63.5
76.2
14.73
17.02
17.78
19.05
0.40
0.70
1.00
1.90
●
●
●
●
●
●
●
●

Half couplings

Example of code used when ordering:

FTHCO-316L-1/4-3000

● = stock standard

Nominal pipe size L D B
Weight
ASTM
ASTM
in. mm mm mm ~kg/pce 304L 316L
1/4
3/8
1/2
3/4
17.4
19.1
23.8
25.4
19.1
22.2
28.6
34.9
8.13
9.14
10.92
12.70
0.03
0.05
0.07
0.10
●
●
●
●
●
●
●
●
1
1 ¼
1 ½
2
30.2
33.3
39.7
42.9
44.5
57.2
63.5
76.2
14.73
17.02
17.78
19.05
0.20
0.32
0.50
0.95
●
●
●
●
●
●
●
●

Reducing couplings

Example of code used when ordering:

FTRCO-316L-1/2-1/4-3000

● = stock standard

Nominal pipe size L D
Weight
ASTM
in. mm mm ~kg/pce 316L
1/2 x 1/4
3/4 x 1/2
1 x 1/2
1 x 3/4
47.6
50.8
60.3
60.3
28.6
34.9
44.5
44.5
0.14
0.20
0.40
0.40
●
●
●
●
1 1/4 x 1
1 1/2 x 1
1 1/2 x 1 ¼
2 x 1 ½
66.7
79.4
79.4
85.7
57.2
63.5
63.5
76.2
0.70
1.00
1.10
1.90
●
●
●
●

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