JIS B2311 SGP, LG
Steel Butt-Welding Pipe Fittings (JIS) Reducing Tees and Concentric & Eccentric Reducers
JIS B2311 |
*CangZhou Ritia Standards |
Unit: mm |
Nominal Pipe Size (NPS) |
Outside Diameter |
Reducing Tees |
Reducers |
Center-to-End |
End-to-End |
A |
B |
D1 |
D2 |
C |
M |
H |
20×15 |
¾×½ |
27.2 |
21.7 |
28.6 |
28.6 |
38.1 |
25×20 |
1×¾ |
34.0 |
27.2 |
38.1 |
38.1 |
50.8 |
25×15 |
1×½ |
34.0 |
21.7 |
38.1 |
38.1 |
50.8 |
32×25 |
1¼×1 |
42.7 |
34.0 |
47.6 |
47.6 |
50.8 |
32×20 |
1¼×¾ |
42.7 |
27.2 |
47.6 |
47.6 |
50.8 |
32×15 |
1¼×½ |
42.7 |
21.7 |
47.6 |
47.6 |
50.8 |
40×32 |
1 ½×1¼ |
48.6 |
42.7 |
57.2 |
57.2 |
63.5 |
40×25 |
1 ½×1 |
48.6 |
34.0 |
57.2 |
57.2 |
63.5 |
40×20 |
1 ½×¾ |
48.6 |
27.2 |
57.2 |
57.2 |
63.5 |
40×15 |
1 ½×½ |
48.6 |
21.7 |
57.2 |
57.2 |
63.5 |
50×40 |
2×1½ |
60.5 |
48.6 |
63.5 |
60.3 |
76.2 |
50×32 |
2×1¼ |
60.5 |
42.7 |
63.5 |
57.2 |
76.2 |
50×25 |
2×1 |
60.5 |
34.0 |
63.5 |
50.8 |
76.2 |
50×20 |
2×¾ |
60.5 |
27.2 |
63.5 |
44.5 |
76.2 |
50×15 |
2×½ |
60.5 |
21.7 |
63.5 |
* |
76.2 |
65×50 |
2 ½×2 |
76.3 |
60.5 |
76.2 |
69.9 |
88.9 |
65×40 |
2 ½×1½ |
76.3 |
48.6 |
76.2 |
66.7 |
88.9 |
65×32 |
2 ½×1¼ |
76.3 |
42.7 |
76.2 |
63.5 |
88.9 |
65×25 |
2 ½×1 |
76.3 |
34.0 |
76.2 |
57.2 |
88.9 |
65×20 |
2 ½×¾ |
76.3 |
27.2 |
76.2 |
* |
88.9 |
65×15 |
2 ½×½ |
76.3 |
21.7 |
76.2 |
* |
88.9 |
80×65 |
3×2½ |
89.1 |
76.3 |
85.7 |
82.6 |
88.9 |
80×50 |
3×2 |
89.1 |
60.5 |
85.7 |
76.2 |
88.9 |
80×40 |
3×1½ |
89.1 |
48.6 |
85.7 |
73.0 |
88.9 |
80×32 |
3×1¼ |
89.1 |
42.7 |
85.7 |
69.9 |
88.9 |
80×25 |
3×1 |
89.1 |
34.0 |
85.7 |
* |
88.9 |
80×20 |
3×¾ |
89.1 |
27.2 |
85.7 |
* |
88.9 |
80×15 |
3×½ |
89.1 |
21.7 |
85.7 |
* |
88.9 |
90×80 |
3 ½×3 |
101.6 |
89.1 |
95.3 |
92.1 |
101.6 |
90×65 |
3 ½×2½ |
101.6 |
76.3 |
95.3 |
88.9 |
101.6 |
90×50 |
3 ½×2 |
101.6 |
60.5 |
95.3 |
82.9 |
101.6 |
90×40 |
3 ½×1½ |
101.6 |
48.6 |
95.3 |
79.4 |
101.6 |
90×32 |
3 ½×1¼ |
101.6 |
42.7 |
95.3 |
* |
101.6 |
100×90 |
4×3½ |
114.3 |
101.6 |
104.8 |
101.6 |
101.6 |
100×80 |
4×3 |
114.3 |
89.1 |
104.8 |
98.4 |
101.6 |
100×65 |
4×2½ |
114.3 |
76.3 |
104.8 |
95.3 |
101.6 |
100×50 |
4×2 |
114.3 |
60.5 |
104.8 |
88.9 |
101.6 |
100×40 |
4×1½ |
114.3 |
48.6 |
104.8 |
85.7 |
101.6 |
100×32 |
4×1¼ |
114.3 |
42.7 |
104.8 |
* |
101.6 |
100×25 |
4×1 |
114.3 |
34.0 |
104.8 |
* |
101.6 |
125×100 |
5×4 |
139.8 |
114.3 |
123.8 |
117.5 |
127.0 |
125×90 |
5×3½ |
139.8 |
101.6 |
123.8 |
114.3 |
127.0 |
125×80 |
5×3 |
139.8 |
89.1 |
123.8 |
111.1 |
127.0 |
125×65 |
5×2½ |
139.8 |
76.3 |
123.8 |
108.0 |
127.0 |
125×50 |
5×2 |
139.8 |
60.5 |
123.8 |
104.8 |
127.0 |
125×40 |
5×1½ |
139.8 |
48.6 |
123.8 |
* |
127.0 |
125×32 |
5×1¼ |
139.8 |
42.7 |
123.8 |
* |
127.0 |
150×125 |
6×5 |
165.2 |
139.8 |
142.9 |
136.5 |
139.7 |
150×100 |
6×4 |
165.2 |
114.3 |
142.9 |
130.2 |
139.7 |
150×90 |
6×3½ |
165.2 |
101.6 |
142.9 |
127.0 |
139.7 |
150×80 |
6×3 |
165.2 |
89.1 |
142.9 |
123.8 |
139.7 |
150×65 |
6×2½ |
165.2 |
76.3 |
142.9 |
120.7 |
139.7 |
150×50 |
6×2 |
165.2 |
60.5 |
142.9 |
* |
139.7 |
200×150 |
8×6 |
216.3 |
165.2 |
177.8 |
168.3 |
152.4 |
200×125 |
8×5 |
216.3 |
139.8 |
177.8 |
161.9 |
152.4 |
200×100 |
8×4 |
216.3 |
114.3 |
177.8 |
155.6 |
152.4 |
200×90 |
8×3½ |
216.3 |
101.6 |
177.8 |
152.4 |
152.4 |
200×80 |
8×3 |
216.3 |
89.1 |
177.8 |
152.4 |
152.4 |
250×200 |
10×8 |
267.4 |
216.3 |
215.9 |
203.2 |
177.8 |
250×150 |
10×6 |
267.4 |
165.2 |
215.9 |
193.7 |
177.8 |
250×125 |
10×5 |
267.4 |
139.8 |
215.9 |
190.5 |
177.8 |
250×100 |
10×4 |
267.4 |
114.3 |
215.9 |
184.2 |
177.8 |
250×80 |
10×3 |
267.4 |
89.1 |
215.9 |
* |
177.8 |
300×250 |
12×10 |
318.5 |
267.4 |
254.0 |
241.3 |
203.2 |
300×200 |
12×8 |
318.5 |
216.3 |
254.0 |
228.6 |
203.2 |
300×150 |
12×6 |
318.5 |
165.2 |
254.0 |
219.1 |
203.2 |
300×125 |
12×5 |
318.5 |
139.8 |
254.0 |
215.9 |
203.3 |
300×100 |
12×4 |
318.5 |
114.3 |
254.0 |
* |
203.3 |
350×300 |
14×12 |
355.6 |
318.5 |
279.4 |
269.9 |
330.2 |
350×250 |
14×10 |
355.6 |
267.4 |
279.4 |
257.2 |
330.2 |
350×200 |
14×8 |
355.6 |
216.3 |
279.4 |
247.7 |
330.2 |
350×150 |
14×6 |
355.6 |
165.2 |
279.4 |
238.1 |
330.2 |
350×125 |
14×5 |
355.6 |
139.8 |
279.4 |
* |
330.2 |
400×350 |
16×14 |
406.4 |
355.6 |
304.8 |
304.8 |
355.6 |
400×300 |
16×12 |
406.4 |
318.5 |
304.8 |
295.3 |
355.6 |
400×250 |
16×10 |
406.4 |
267.4 |
304.8 |
282.6 |
355.6 |
400×200 |
16×8 |
406.4 |
216.3 |
304.8 |
273.1 |
355.6 |
400×150 |
16×6 |
406.4 |
165.2 |
304.8 |
263.5 |
355.6 |
450×400 |
18×16 |
457.2 |
406.4 |
342.9 |
330.2 |
381.0 |
450×350 |
18×14 |
457.2 |
355.6 |
342.9 |
330.2 |
381.0 |
450×300 |
18×12 |
457.2 |
318.5 |
342.9 |
320.7 |
381.0 |
450×250 |
18×10 |
457.2 |
267.4 |
342.9 |
308.0 |
381.0 |
450×200 |
18×8 |
457.2 |
216.3 |
342.9 |
298.0 |
381.0 |
500×450 |
20×18 |
508.0 |
457.2 |
381.0 |
368.3 |
508.0 |
500×400 |
20×16 |
508.0 |
406.4 |
381.0 |
355.6 |
508.0 |
500×350 |
20×14 |
508.0 |
355.6 |
381.0 |
355.6 |
508.0 |
500×300 |
20×12 |
508.0 |
318.5 |
381.0 |
346.1 |
508.0 |
500×250 |
20×10 |
508.0 |
267.4 |
381.0 |
333.4 |
508.0 |
500×200 |
20×8 |
508.0 |
216.3 |
381.0 |
523.9 |
508.0 |
550×500 |
22×20 |
558.8 |
508.0 |
419.1 |
406.4 |
508.0 |
550×450 |
22×18 |
558.8 |
457.2 |
419.1 |
393.7 |
508.0 |
550×400 |
22×16 |
558.8 |
406.4 |
419.1 |
381.0 |
508.0 |
550×350 |
22×14 |
558.8 |
355.6 |
419.1 |
381.0 |
508.0 |
600×550 |
24×22 |
609.6 |
558.8 |
431.8 |
431.8 |
508.0 |
600×500 |
24×20 |
609.6 |
508.0 |
431.8 |
431.8 |
508.0 |
600×450 |
24×18 |
609.6 |
457.2 |
431.8 |
419.1 |
508.0 |
600×400 |
24×16 |
609.6 |
406.4 |
431.8 |
406.4 |
508.0 |
600×350 |
24×14 |
609.6 |
355.6 |
431.8 |
406.4 |
508.0 |
600×300 |
24×12 |
609.6 |
318.5 |
431.8 |
397.0 |
508.0 |
650×600 |
26×24 |
660.4 |
609.6 |
495.3 |
482.6 |
609.6 |
650×550 |
26×22 |
660.4 |
558.8 |
495.3 |
469.9 |
609.6 |
650×500 |
26×20 |
660.4 |
508.0 |
495.3 |
457.2 |
609.6 |
650×450 |
26×18 |
660.4 |
457.2 |
495.3 |
444.0 |
609.6 |
700×650 |
28×26 |
711.2 |
660.4 |
520.7 |
520.7 |
609.6 |
700×600 |
28×24 |
711.2 |
609.6 |
520.7 |
508.0 |
609.6 |
700×550 |
28×22 |
711.2 |
558.8 |
520.7 |
495.3 |
609.6 |
700×500 |
28×20 |
711.2 |
508.0 |
520.7 |
483.0 |
609.6 |
750×700 |
30×28 |
762.0 |
711.2 |
558.8 |
546.1 |
609.6 |
750×650 |
30×26 |
762.0 |
660.4 |
558.8 |
546.1 |
609.6 |
750×600 |
30×24 |
762.0 |
609.4 |
558.8 |
533.4 |
609.6 |
750×550 |
30×22 |
762.0 |
558.8 |
558.8 |
520.7 |
609.6 |
800×750 |
32×30 |
812.8 |
762.0 |
596.9 |
584.2 |
609.6 |
800×700 |
32×28 |
812.8 |
711.2 |
596.9 |
571.5 |
609.6 |
800×650 |
32×26 |
812.8 |
660.4 |
596.9 |
571.5 |
609.6 |
800×600 |
32×24 |
812.8 |
609.6 |
596.9 |
559.0 |
609.6 |
850×800 |
34×32 |
863.6 |
812.8 |
635.0 |
622.3 |
609.6 |
850×750 |
34×30 |
863.6 |
762.0 |
635.0 |
609.6 |
609.6 |
850×700 |
34×28 |
863.6 |
711.2 |
635.0 |
596.9 |
609.6 |
850×650 |
34×26 |
863.6 |
660.4 |
635.0 |
596.9 |
609.6 |
900×850 |
36×34 |
914.4 |
863.6 |
673.1 |
660.4 |
609.6 |
900×800 |
36×32 |
914.4 |
812.8 |
673.1 |
647.7 |
609.6 |
900×750 |
36×30 |
914.4 |
762.0 |
673.1 |
635.0 |
609.6 |
900×700 |
36×28 |
914.4 |
711.2 |
673.1 |
622.3 |
609.6 |
950×900 |
38×36 |
965.2 |
914.4 |
711.2 |
711.2 |
609.6 |
950×850 |
38×34 |
965.2 |
863.6 |
711.2 |
698.5 |
609.6 |
950×800 |
38×32 |
965.2 |
812.8 |
711.2 |
685.8 |
609.6 |
950×750 |
38×30 |
965.2 |
762.0 |
711.2 |
673.0 |
609.6 |
1000×950 |
40×38 |
1016.0 |
965.2 |
749.3 |
749.3 |
609.6 |
1000×900 |
40×36 |
1016.0 |
914.4 |
749.3 |
736.6 |
609.6 |
1000×850 |
40×34 |
1016.0 |
863.6 |
749.3 |
723.9 |
609.6 |
1000×800 |
40×32 |
1016.0 |
812.8 |
749.3 |
711.2 |
609.6 |
1050×1000 |
42×40 |
1066.8 |
1016.0 |
762.0 |
711.2 |
609.6 |
1050× 950 |
42×38 |
1066.8 |
965.2 |
762.0 |
711.2 |
609.6 |
1050×900 |
42×36 |
1066.8 |
914.4 |
762.0 |
711.2 |
609.6 |
1050×850 |
42×34 |
1066.8 |
863.6 |
762.0 |
711.2 |
609.6 |
1100×1050 |
44×42 |
1117.6 |
1066.8 |
812.8 |
762.0 |
609.6 |
1100×1000 |
44×40 |
1117.6 |
1016.0 |
812.8 |
749.3 |
609.6 |
1100×950 |
44×38 |
1117.6 |
965.2 |
812.8 |
736.6 |
609.6 |
1100×900 |
44×36 |
1117.6 |
914.4 |
812.8 |
723.9 |
609.6 |
1150×1100 |
46×44 |
1168.4 |
1117.6 |
850.9 |
811.1 |
711.2 |
1150×1050 |
46×42 |
1168.4 |
1066.8 |
850.9 |
787.4 |
711.2 |
1150×1000 |
46×40 |
1168.4 |
1016.0 |
850.9 |
774.7 |
711.2 |
1150×950 |
46×38 |
1168.4 |
965.2 |
850.9 |
762.0 |
711.2 |
1200×1150 |
48×46 |
1219.2 |
1168.4 |
889.0 |
838.2 |
711.2 |
1200×1100 |
48×44 |
1219.2 |
1117.6 |
889.0 |
838.2 |
711.2 |
1200×1050 |
48×42 |
1219.2 |
1066.8 |
889.0 |
812.8 |
711.2 |
1200×1000 |
48×40 |
1219.2 |
1016.0 |
889.0 |
812.8 |
711.2 | |