AUSTRALIAN STANDARD AS 2129 TABLE H WELD NECK FLANGES

Australian Standard AS 2129 Table H Weld Neck Flange Dimensions

---

NOMINAL PIPE SIZE		FLANGE OUTSIDE DIAMETER	THICKNESS OF DIAMETER	LENGTH THROUGH HUB	DRILLING DATA
					PITCH CIRCLE DIAMETER	BOLT HOLE DIAMETER	NUMBER OF BOLT HOLES
MM	INCH	OD	T	L1	PCD	H
15	1/2	115	13	42	83	18	4
20	3/4	115	13	42	83	18	4
25	1	120	14	43	87	18	4
32	1 1/4	135	17	52	98	18	4
40	1 1/2	140	17	52	105	18	4
50	2	165	19	54	127	18	4
65	2 1/2	185	19	57	146	18	8
80	3	205	22	66	165	18	8
90	3 1/2	215	22	66	178	18	8
100	4	230	25	76	191	18	8
125	5	280	29	86	235	22	8
150	6	305	29	86	260	22	12
200	8	370	32	99	324	22	12
225	9	405	35	108	356	26	12
250	10	430	35	108	381	26	12
300	12	490	41	120	438	26	16
350	14	550	48		495	30	16
375	15	580	51		521	30	16
400	16	610	54		552	30	20
450	18	675	60		610	33	20
500	20	735	67		673	33	24
525	21	760	70		699	33	24
550	22	785	70		724	33	24
600	24	850	76		781	36	24

Notes : (1) The minimum flange thickness in carbon steel flanges will be 12mm.
(2) Bore sizes to suit ASME B 36.10 or B36.19 pipe unless otherwise specified.
(3) Flanges are generally supplied flat faced.

Advantages of using Australian Standard AS 2129 Table H Weldneck Flanges

---

Weldneck flanges offer several advantages over other types of flanges, such as slip-on flanges. Here are some of the benefits of using weldneck flanges:

Superior Strength
Weldneck flanges have a long tapered hub that provides additional strength to the connection between the pipe and the flange. The welding process creates a permanent and durable bond that can withstand high pressure and extreme temperatures.

Versatility in Accommodating Different Pipe Sizes
Weldneck flanges are available in various sizes, making them suitable for use with pipes of different diameters. The flanges can also be used with pipes of different materials, such as stainless steel, carbon steel, and alloy steel.

Secure and Leak-Free Connection
The welding process creates a strong and leak-free connection between the pipe and the flange. This ensures that the piping system is safe and efficient, reducing the risk of leaks and other safety hazards.

Easy to Install and Maintain
Weldneck flanges are relatively easy to install, and the welding process can be completed quickly. The flanges are also easy to maintain, requiring only periodic inspection and maintenance to ensure that they are in good working condition.

Applications of Australian Standard AS 2129 Table H Weldneck Flange

---

Weldneck flanges are used in various industrial piping applications, including:

Oil and Gas Industry
Weldneck flanges are commonly used in oil and gas piping systems, where they are used to transport crude oil, natural gas, and other petroleum products.

Chemical Processing Industry
Weldneck flanges are used in chemical processing plants to transport various chemicals and materials.

Water Treatment Industry
Weldneck flanges are used in water treatment plants to transport water and other fluids.

Power Generation Industry
Weldneck flanges are used in power generation plants to transport steam, gas, and other fluids.

Price List of Weldneck Flanges

---

Prices for Australian Standard AS 2129 Table H Weldneck Flanges are very affordable.

Please click on the "Ask for Quote" button or click here to request the updated price list and ready stock information along with your requirement.
TESCO STEEL & ENGINEERING maintains a stock of all standard items and can export them at the best price.

AUSTRALIAN STANDARD (AS) WELD NECK FLANGE

---

Australian Standard AS 2129 Table D Weld Neck Flange

Australian Standard AS 2129 Table E Weld Neck Flange

Australian Standard AS 2129 Table F Weld Neck Flange

Australian Standard AS 2129 Table H Weld Neck Flange

Australian Standard AS 2129 Table J Weld Neck Flange

Australian Standard AS 2129 Table K Weld Neck Flange

Australian Standard AS 2129 Table R Weld Neck Flange

Australian Standard AS 2129 Table S Weld Neck Flange

Australian Standard AS 2129 Table T Weld Neck Flange