NPT Threaded Elbow Order From Regular Customer

zhao77jie — Thu, 23 May 2024 08:26:24 +0000

Zizi Engineering always provides attractive price and supply good quality of NPT Threaded Elbow for regular customer. For example, size : 1-1/4 inch ; pressure : 3000 LB ; material : ASTM A105 ; standard : ASME B16.11.

We manufactured, tested and certified carbon steel NPT threaded elbow in accordance with ASTM A105N Normalized.These regular customer has maintained long-term cooperation with our company. They often purchase threaded pipe fittings from our company.

What is NPT Threaded Elbow

NPT threaded elbow dimensions and weight are according to ASME B16.11 standard. The types of female/female & male / female elbow, 90 and 45 degree elbow. Their size are from 1/8″ to 4″ and pressure range includes Class 2000, 3000 and 6000.

NPT threaded elbow is actually a fitting that is being installed in between the two lengths of tube or a pipe to allow in changing the direction of a flow.

NPT vs NPS Threads

NPT is NATIONAL PIPE TAPER (AMERICAN) – Thread form per ANSI/ASME B1.20.1

NPS is NATIONAL PIPE STRAIGHT (PARALLEL) – Thread form per ANSI/ASME B1.20.1

NPTF is NATIONAL PIPE TAPER FOR FUEL – Thread form per SAE J476

NPSM is NATIONAL PIPE STRAIGHT MECHANICAL – Thread form per ANSI/ASME B1.20.1

Inspection of NPT Threaded Elbow

Visual the surface of NPT threaded elbow body.

Check the marking “NPT 1-1/4” 3000# A105 B16.11 231″

Measure dimensions. Such as outside diameter, inside diameter , wall thickness, length of thread.

Test thread of NPT threaded elbow with Go-No Go Gauge.

ASME B16.11 Forged Pipe Fittings

The B16.11 standard covers pressure-temperature ratings, dimensions,marking, tolerances and material requirements. We are specialized in supplying forged NPT threaded elbow in three pressure ratings: class 2000,Class 3000 and 6000 at reasonable price in various sizes as per requirement.

Supply Range of Threaded Pipe Fittings

Size: 1/8″ to 4″ / DN 6 to 100

Pressure: Class 2000, 3000, 6000

Thread Type: BSPP, BSPT, PT, NPT, MPT

Product: NPT Threaded Elbow, Tee, Coupling, Union, Bushing, Nipple, Plug.

Material & Grades

Stainless Steel Threaded Elbow

ASTM A182 F304/304L/304H, F316/316L, F310, F317, F321, F309, F347, F904L

Carbon Steel Threaded Elbow

ASTM A105, A694 F52, F60, F65, F70, A350 LF2, LF3

Duplex Steel Threaded Pipe Elbow

ASTM A182 F51, F53, F55, S 31803, 32205, 32550, 32750, 32760

ASME B16.11 NPT Threaded Elbow Dimension

Nominal Size		Center-to-End				Outside Diameter of Band		Wall Thickness		Length of Thread
DN	NPS	A				H		Gmin		L 5 min	L 2 min
		90°Elbows		45°Elbows		H		Gmin
		3000	6000	3000	6000	3000	6000	3000	6000
6	1/8	21	25	17	19	22	25	3.18	6.35	6.4	6.7
8	1/4	25	28	19	22	25	33	3.30	6.60	8.1	10.2
10	3/8	28	33	22	25	33	38	3.51	6.98	9.1	10.4
15	1/2	33	39	25	28	38	46	4.09	8.15	10.9	13.6
20	3/4	38	44	28	33	46	56	4.32	8.53	12.7	13.9
25	1	44	51	33	35	56	62	4.98	9.93	14.7	17.3
32	11/4	51	60	35	43	62	75	5.28	10.59	17.0	18.0
40	11/2	60	64	43	44	75	84	5.56	11.07	17.8	18.4
50	2	64	83	44	52	84	102	7.14	12.09	19	19.2
65	21/2	83	95	52	64	102	121	7.65	15.29	23.6	28.9
80	3	95	106	64	79	121	146	8.84	16.64	25.9	30.5
100	4	114	114	79	79	152	152	11.18	18.67	27.7	33

Forged Threaded Elbow Weight Chart in KG

NOMINAL SIZE		90 DEGREE THREADED ELBOW			45 DEGREE THREADED ELBOW
DN	NPS	2000	3000	6000	2000	3000	6000
6	1/8	0.08	0.10	0.18	0.08	0.08	0.14
8	1/4	0.08	0.15	0.33	0.08	0.12	0.27
10	3/8	0.13	0.30	0.48	0.11	0.26	0.49
15	1/2	0.22	0.45	0.72	0.23	0.42	0.69
20	3/4	0.32	0.70	1.29	0.29	0.59	1.12
25	1	0.50	1.21	1.65	0.43	0.96	1.47
32	1-1/4	0.80	1.47	2.70	0.67	1.15	2.65
40	1-1/2	0.93	2.60	3.90	0.82	2.02	3.60
50	2	1.60	3.05	6.05	1.32	2.50	4.60
65	2-1/2	2.95	5.80	9.88	3.30	3.81	7.81
80	3	5.6	8.85	16.4	5.4	6.3	13.1
100	4	10.5	14.9	23.5	9.00	9.80	17.0

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