等径三通	异径三通	碳钢三通
Straight Tee	Reducing Tee	CS Tee
		碳钢四通
		CS Cross

公称通径 Nominal Diameter		坡口处外径 Outside Diameter				中心至端面 Center to End
		D1		D2
DN	NPS	A系列 Series A	B系列 Series B	A系列 Series A	B系列 Series B	C	M
15×15×15	1/2×1/2×1/2	21.3	18	21.3	18	25	25
15×15×10	1/2×1/2×3/8	21.3	18	17.3	14	25	25
15×15×8	1/2×1/2×1/4	21.3	18	13.7	10	25	25
20×20×20	3/4×3/4×3/4	26.9	25	26.9	25	29	29
20×20×15	3/4×3/4×1/2	26.9	25	21.3	18	29	29
20×20×10	3/4×3/4×3/8	26.9	25	17.3	14	29	29
25×25×25	1×1×1	33.7	32	33.7	32	38	38
25×25×20	1×1×3/4	33.7	32	26.9	25	38	38
25×25×15	1×1×1/2	33.7	32	21.3	18	38	38
32×32×32	1.1/4×1.1/4×1.1/4	42.4	38	42.4	38	48	48
32×32×25	1.1/4×1.1/4×1	42.4	38	33.7	32	48	48
32×32×20	1.1/4×1.1/4×3/4	42.4	38	26.9	25	48	48
32×32×15	1.1/4×1.1/4×1/2	42.4	38	21.3	18	48	48
40×40×40	1.1/2×1.1/2×1.1/2	48.3	45	48.3	45	57	57
40×40×32	1.1/2×1.1/2×1.1/4	48.3	45	42.4	38	57	57
40×40×25	1.1/2×1.1/2×1	48.3	45	33.7	32	57	57
40×40×20	1.1/2×1.1/2×3/4	48.3	45	26.9	25	57	57
40×40×15	1.1/2×1.1/2×1/2	48.3	45	21.3	18	57	57
50×50×50	2×2×2	60.3	57	60.3	57	64	64
50×50×40	2×2×1.1/2	60.3	57	48.3	45	64	60
50×50×32	2×2×1.1/4	60.3	57	42.4	38	64	57
50×50×25	2×2×1	60.3	57	33.7	32	64	51
50×50×20	2×2×3/4	60.3	57	26.9	25	64	44
65×65×65	2.1/2×2/1/2×2.1/2	73.0	76	73.0	76	76	76
65×65×50	2.1/2×2/1/2×2	73.0	76	60.3	57	76	70
65×65×40	2.1/2×2/1/2×1.1/2	73.0	76	48.3	45	76	67
65×65×32	2.1/2×2/1/2×1.1/4	73.0	76	42.4	38	76	64
65×65×25	2.1/2×2/1/2×1	73.0	76	33.7	32	76	57
80×80×80	3×3×3	88.9	89	88.9	89	86	86
80×80×65	3×3×2.1/2	88.9	89	73.0	76	86	83
80×80×50	3×3×2	88.9	89	60.3	57	86	76
80×80×40	3×3×1.1/2	88.9	89	48.3	45	86	73
80×80×32	3×3×1.1/4	88.9	89	42.4	38	86	70
90×90×90	3.1/2×3.1/2×3.1/2	101.6	-	101.6	-	95	95
90×90×80	3.1/2×3.1/2×3	101.6	-	88.9	89	95	92
90×90×65	3.1/2×3.1/2×2.1/2	101.6	-	73.0	76	95	89
90×90×50	3.1/2×3.1/2×2	101.6	-	60.3	57	95	83
90×90×40	3.1/2×3.1/2×1.1/2	101.6	-	48.3	45	95	79
100×100×100	4×4×4	114.3	108	114.3	108	105	105
100×100×90	4×4×3.1/2	114.3	108	101.6	-	105	102
100×100×80	4×4×3	114.3	108	88.9	89	105	98
100×100×65	4×4×2.1/2	114.3	108	73.0	76	105	95
100×100×50	4×4×2	114.3	108	60.3	57	105	89
100×100×40	4×4×1.1/2	114.3	108	48.3	45	105	86
125×125×125	5×5×5	141.3	133	141.3	133	124	124
125×125×100	5×5×4	141.3	133	114.3	108	124	117
125×125×90	5×5×3.1/2	141.3	-	101.6	-	124	114
125×125×80	5×5×3	141.3	133	88.9	89	124	111
125×125×65	5×5×2.1.2	141.3	133	73.0	76	124	108
125×125×50	5×5×2	141.3	133	60.3	57	124	105
150×150×150	6×6×6	168.3	159	168.3	159	143	143
150×150×125	6×6×5	168.3	159	141.3	133	143	137
150×150×100	6×6×4	168.3	159	114.3	108	143	130
150×150×90	6×6×3.1/2	168.3	-	101.6	-	143	127
150×150×80	6×6×3	168.3	159	88.9	89	143	124
150×150×65	6×6×2.1/2	168.3	159	73.0	76	143	121
200×200×200	8×8×8	219.1	219	219.1	219	178	178
200×200×150	8×8×6	219.1	219	168.3	159	178	168
200×200×125	8×8×5	219.1	219	141.4	133	178	162
200×200×100	8×8×4	219.1	219	114.3	108	178	156
200×200×90	8×8×3.1/2	219.1	-	101.6	-	178	152
250×250×250	10×10×10	273.0	273	273.0	273	216	216
250×250×200	10×10×8	273.0	273	219.1	219	216	203
250×250×150	10×10×6	273.0	273	168.3	159	216	194
250×250×125	10×10×5	273.0	273	141.3	133	216	191
250×250×100	10×10×4	273.0	273	114.3	108	216	184
300×300×300	12×12×12	323.9	325	323.9	325	254	254
300×300×250	12×12×10	323.9	325	273.0	273	254	241
300×300×200	12×12×8	323.9	325	219.1	219	254	229
300×300×150	12×12×6	323.9	325	168.3	159	254	219
300×300×125	12×12×5	323.9	325	141.3	133	254	216
350×350×350	14×14×14	355.6	377	355.6	377	279	279
350×350×300	14×14×12	355.6	377	323.9	325	279	270
350×350×250	14×14×10	355.6	377	273.0	273	279	257
350×350×200	14×14×8	355.6	377	219.1	219	279	248
350×350×150	14×14×6	355.6	377	168.3	159	279	238
400×400×400	16×16×16	406.4	426	406.4	426	305	305
400×400×350	16×16×14	406.4	426	355.6	377	305	305
400×400×300	16×16×12	406.4	426	323.9	325	305	295
400×400×250	16×16×10	406.4	426	273.0	273	305	283
400×400×200	16×16×8	406.4	426	219.1	219