Screwed elbow, Tee, Cross, Couplings & Caps

Class 2000 and NPS 1/8 class 6000 coupling, half couplings and caps are not included in this standard.

DIMENSIONS OF THREADED FITTINGS (ANSI B 16.11) (in mm)
Nominal Pipe Size
	A			C			H			G			Min(1)
	2000	3000	6000	2000	3000	6000	2000	3000	6000	2000	3000	6000	B	L2
1/8''	20.57	20.57	24.63	17.52	17.52	18.93	22.35	22.30	25.40	3.175	3.110	6.350	6.303	6.700
1/4''	20.57	24.63	28.44	17.52	18.93	22.35	22.35	25.40	33.20	3.175	3.302	6.604	8.128	10.205
3/8''	24.63	28.44	33.27	18.93	22.35	25.40	25.40	33.27	38.10	3.175	2.505	6.985	9.544	10.298
1/2''	28.44	33.27	38.10	22.45	25.40	28.44	33.27	38.10	45.97	3.175	4.089	8.153	10.922	13.555
3/4''	33.27	38.10	44.45	25.40	28.44	33.27	38.10	45.97	55.62	3.175	4.318	8.534	12.700	13.860
1''	38.10	44.45	50.80	28.44	33.27	35.05	45.97	55.62	61.97	3.688	4.978	9.931	14.732	17.343
1-1/4''	44.45	50.80	60.45	33.27	35.04	42.92	55.62	61.97	75.43	3.886	5.283	10.591	17.018	17.952
1-1/2''	50.80	60.45	64.02	35.05	42.92	43.68	61.97	75.43	84.07	4.013	5.562	11.074	17.780	18.376
2''	60.45	63.50	82.55	42.92	43.68	52.32	75.43	84.07	101.60	4.267	7.137	12.090	19.050	19.138
2-1/2''	76.20	82.55	95.25	52.37	52.32	63.50	91.94	101.60	120.65	5.613	7.645	15.290	23.622	28.905
3''	85.85	95.25	106.42	63..50	63.50	79.24	109.47	120.65	146.05	5.994	8.839	18.637	25.408	30.500
4''	106.42	114.30	114.30	78.24	78.24	79.24	146.05	152.40	152.40	6.555	11.669	18.684	27.777	33.000

1.) Dimension B is minimum length of perfect thread. The length of useful thread (B plus threads with fully formed roots and flat creats) shall not be less Than L2 (effective length of external thread) required by American National Standard for Pipe Threads (ANSI B2. 1)

Screwed pipe fittings, screwed elbow tee cross couplings, caps, threaded fittings, nominal pipe size,BS 3799, Mumbai

DIMENSIOS OF COUPLINGS & CAPS (BS 3799) (in mm)

Nominal Pipe Size	End to End Couplings W	End to End Caps P		Outside Diameter D		End Wall Thickness G Min		Length of thread Min. (1)
	3000 & 6000	3000	6000	3000	6000	3000	6000	B	L2
1/8''	31.8	19.1		15.7	22.4	4.8	-	6.4	6.7
1/4''	35.1	25.4	26.9	19.1	25.4	4.8	6.4	8.1	10.2
3/8''	38.1	25.4	26.9	22.4	31.8	4.8	6.4	9.1	10.4
1/2''	47.8	31.8	33.3	28.4	38.1	6.4	7.9	10.9	13.6
3/4''	50.8	36.6	38.1	35.1	44.5	6.4	7.9	12.7	13.9
1''	60.5	41.1	42.9	44.5	57.2	9.7	11.2	14.7	17.3
1-1/4''	66.5	44.5	46.0	57.2	63.5	9.7	11.2	17.0	18.0
1-1/2''	79.2	44.5	47.8	63.5	76.2	11.2	12.7	17.8	18.4
2''	85.9	47.8	50.8	76.2	91.9	12.7	15.7	19.1	19.2
2-1/2''	91.9	60.5	63.5	91.9	108.0	15.7	19.1	23.6	28.9
3''	108.0	68.3	74.7	139.7	158.8	22.4	28.4	27.7	33.0

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