Australian Pipe Flange Standards

Home / Industrial Flanges

AS/NZS 4331.1 Flange, AS 4087 Flange, Australian Slip On Flange

Australian Flange Standards are critical for ensuring the reliability and safety of flange-based connections in various industrial applications. Prominent Australian flange standards include AS 4087 for metallic flanges used in waterworks, AS 2129 for flanges in general piping systems, and AS 2862 for flanges in the petroleum and chemical industries. Additionally, These standards specify the materials, dimensions, design, and pressure ratings for different types of flanges, such as slip-on, weld neck, and blind flanges, ensuring compatibility with the required system pressures and temperatures. Compliance with Australian flange standards is essential for optimal performance, durability, and safety across various sectors.

Arrow Piping Solutions is a trusted manufacturer and supplier of high-quality Australian flanges, offering a wide range of products that meet rigorous industry standards. Our commitment to precision and quality ensures that every flange we produce adheres to the specific requirements outlined in Australian standards such as AS 4087, AS 2129, and AS 2862. Whether it's flanges for waterworks, petroleum, or chemical industries, We delivers products designed to withstand high pressure and extreme conditions. Our extensive experience, skilled engineering team, and top-notch materials ensure that you receive reliable, durable, and cost-effective flanges tailored to your project's unique needs. With Arrow Piping Solutions, you can trust that your Australian flange requirements will be met with unparalleled quality and timely delivery, backed by exceptional customer support.

Long Weld Neck Flange

High-Quality Australian Flanges, Series A and B Australian Flanges, MSS SP-44 Australian Flanges, Class 150 Australian Flange, SS Australian Flanges, Australian Plate Flanges, Australian Blind Flanges, Australian Lapped joint Flanges, Australian Threaded Flange

Australian Steel Flanges Specifications

SIZE RANGE

15mm (1/2" NPS ) up to 600mm ( 24" NPS ), For 2500# in sizes from NPS 1/2 to NPS 12

STANDARDS / DIMENSION

ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN

PRESSURE CLASS

150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64.

FLANGE FACE TYPE

FF—Flat Face, RF—Raised Face, FM—Female Face, M—Male Face, T—Tongue Face, G—Groove Face, RJ—Ring Joint.

CARBON STEEL

ASTM A105/A105N (SA105N), LTCS A350 LF2, A694

DUPLEX & SUPER DUPLEX

ASTM A182 / ASME SA182 - S31803, S32205, 2205, S32750, S32760, S32950, 2507.

STAINLESS STEEL

ASTM A182 F304, 304L, 304H, 316, 316L, 316H, 317, 317L, 321, 321H, 310, 310S, 347, 904L, etc.

ALLOY STEEL

ASTM A182 / SA182 - F1 / F5 / F9 / F11 / F12 / F22 / F91

MTC

EN 10204 3.2 and EN 10204 3.1, Test Certificates certifying NACE MR0175, NACE MR0103

Flanges ANSI/ASME B16.5 & B16.47
worker

ISO CERTIFIED MANUFACTURER

Our worldwide presence ensures the timeliness, cost efficiency compliance adherence required to ensure your production timelines.

→ Free And Quick Quote

DOWNLOAD

Company Report 2019
PDF
Company Brochure
PDF

Materials

➜
Stainless Steel ➜ Carbon Steel ➜ Alloy Steel ➜

AS 2129 Flange - Dimensions

Weld Neck Flange Diagram

AS 2129 Flange TABLE D - Dimensions

+
Nominal Pipe Size Flange Outside Diameter Thickness of Flange
(Refer Note.1)
T		 Length Through Hub Drilling Data
MM INCH OD Bossed SOW
L		 Weld Neck
L1		 Pitch Circle Diameter
PCD		 Bolt Hole Diameter
H		 Number of Bolt Holes
#
15 1/2 95 5 15 27 67 14 4
20 3/4 100 5 16 27 73 14 4
25 1 115 5 16 27 83 14 4
32 1 1/4 120 6 17 31 87 14 4
40 1 1/2 135 6 19 35 98 14 4
50 2 150 8 21 37 114 18 4
65 2 1/2 165 8 24 40 127 18 4
80 3 185 10 26 45 146 18 4
90 3 1/2 205 10 27 45 165 18 4
100 4 215 10 29 51 178 18 4
125 5 255 13 32 57 210 18 8
150 6 280 13 32 61 235 18 8
200 8 335 13 35 64 292 18 8
250 10 405 16 43 80 356 22 8
300 12 455 19 48 89 406 22 12
350 14 525 22 95 470 26 12
400 16 580 22 521 26 12
450 18 640 25 584 26 12
500 20 705 29 641 26 16
550 22 760 29 699 30 16
600 24 825 32 756 30 16
700 28 910 35 845 30 20
750 30 995 41 927 33 20
800 32 1060 41 984 36 20
850 34 1090 44 1016 36 20
900 36 1175 48 1092 36 24
1000 40 1255 51 1175 36 24
1050 42 1335 54 1251 36 28
1200 48 1490 60 1410 36 32

AS 2129 Flange TABLE E - Dimensions

+
Nominal Pipe Size Flange Outside Diameter Thickness of Flange
(Refer Note.1)
T		 Length Through Hub Drilling Data
MM INCH OD Bossed SOW
L		 Weld Neck
L1		 Pitch Circle Diameter
PCD		 Bolt Hole Diameter
H		 Number of Bolt Holes
#
15 1/2 95 6 16 28 67 14 4
20 3/4 100 6 17 28 73 14 4
25 1 115 7 18 29 83 14 4
32 1 1/4 120 8 19 33 87 14 4
40 1 1/2 135 9 22 38 98 14 4
50 2 150 10 23 39 114 18 4
65 2 1/2 165 10 26 42 127 18 4
80 3 185 11 27 46 146 18 4
90 3 1/2 205 12 29 47 165 18 8
100 4 215 13 32 54 178 18 8
125 5 255 14 33 58 210 18 8
150 6 280 17 36 65 235 22 8
200 8 335 19 41 70 292 22 8
250 10 405 22 49 86 356 22 12
300 12 455 25 54 95 406 26 12
350 14 525 29 102 470 26 12
400 16 580 32 521 26 12
450 18 640 35 584 26 16
500 20 705 38 641 26 16
550 22 760 44 699 30 16
600 24 825 48 756 33 16
700 28 910 51 845 33 20
750 30 995 54 927 36 20
800 32 1060 54 984 36 20
850 34 1090 57 1016 36 20
900 36 1175 64 1092 36 24
1000 40 1255 67 1175 39 24
1050 42 1335 70 1251 39 28
1200 48 1490 79 1410 39 32

AS 2129 Flange TABLE F - Dimensions

+
Nominal Pipe Size Flange Outside Diameter Thickness of Flange
(Refer Note.1)
T		 Length Through Hub Drilling Data
MM INCH OD Bossed SOW
L		 Weld Neck
L1		 Pitch Circle Diameter
PCD		 Bolt Hole Diameter
H		 Number of Bolt Holes
#
15 1/2 95 10 20 32 67 14 4
20 3/4 100 10 21 32 73 14 4
25 1 120 10 21 39 87 18 4
32 1 1/4 135 13 24 48 98 18 4
40 1 1/2 140 13 26 48 105 18 4
50 2 165 16 29 51 127 18 4
65 2 1/2 185 16 32 54 146 18 8
80 3 205 16 32 60 165 18 8
90 3 1/2 215 19 36 63 178 18 8
100 4 230 19 38 70 191 18 8
125 5 280 22 41 79 235 22 8
150 6 305 22 41 79 260 22 12
200 8 370 25 47 92 324 22 12
250 10 430 29 56 102 381 26 12
300 12 490 32 61 111 438 26 16
350 14 550 35 495 30 16
400 16 610 41 552 30 20
450 18 675 44 610 33 20
500 20 735 51 673 33 24
550 22 785 54 724 33 24
600 24 850 57 781 36 24
700 28 935 60 857 36 24
750 30 1015 67 940 36 28
800 32 1060 68 984 36 28
850 34 1090 70 1016 36 32
900 36 1185 76 1105 39 32
1000 40 1275 83 1194 39 36
1050 42 1355 86 1270 39 36
1200 48 1530 95 1441 42 40

AS 2129 Flange TABLE H - Dimensions

+
Table H Length Through Hub Drilling Data
Nominal Pipe Size Flange Outside Diameter Thickness of Flange Bossed SOW Weld Neck Pitch Circle Diameter Bolt Hole Diameter Number of Bolt Holes
MM INCH OD T L L1 PCD H #
15 1/2 115 13 23 42 83 18 4
20 3/4 115 13 24 42 83 18 4
25 1 120 14 25 43 87 18 4
32 1 1/4 135 17 28 52 98 18 4
40 1 1/2 140 17 30 52 105 18 4
50 2 165 19 32 54 127 18 4
65 2 1/2 185 19 35 57 146 18 8
80 3 205 22 38 66 165 18 8
90 3 1/2 215 22 39 66 178 18 8
100 4 230 25 44 76 191 18 8
125 5 280 29 48 86 235 22 8
150 6 305 29 48 86 260 22 12
200 8 370 32 54 99 324 22 12
250 10 430 35 62 108 381 26 12
300 12 490 41 70 120 438 26 16
350 14 550 48 495 30 16
400 16 610 54 552 30 20
450 18 675 60 610 33 20
500 20 735 67 673 33 24
550 22 785 70 724 33 24
600 24 850 76 781 36 24

Australian Steel Flanges Standards

Australian pipe flange standards ensure the reliable design, material specifications, and dimensional accuracy of flanges used in industrial applications, ensuring safety and performance in piping systems. The primary standard governing flanges in Australia is AS 4087, which defines the requirements for flanges used in pressure piping systems and other critical infrastructure.

1. AS 4087 - Metallic Flanges for Waterworks

This standard defines the design, materials, dimensions, and testing for flanges used in water distribution systems, ensuring compatibility with pressure and temperature requirements

2. AS 2129 - Flanges for Pipes

Outlines specifications for flanges in industries like oil, gas, and petrochemical, including various types (slip-on, weld neck, blind, threaded) and pressure ratings (150, 300, 600, 900, 1500, and 2500).

3. AS 2862 - Flanges for Petroleum and Chemical Industries

Tailored for high-temperature and high-pressure systems in the petroleum and chemical industries, with flanges made from corrosion-resistant materials.

4. AS 4331 - Flanges for Cast Iron Piping Systems

Specifies flanges for water and sewage systems made from cast iron, designed for lower pressures and offering durability and cost-effectiveness.

5. ASME B16.5 - Pipe Flanges and Flanged Fittings

An international standard commonly used in Australia, specifying design, materials, and dimensions for high-pressure flanges made from carbon steel, stainless steel, and alloy steels.

WHY Arrow Piping Solutions For Australian ASME Flanges !

Arrow Piping Solutions is a trusted manufacturer and supplier of high-quality ASME flanges in Australia, offering an unmatched combination of durability, precision, and performance. why Arrow Piping Solutions should be your first choice for Australian ASME flanges:

Uncompromising Quality

Arrow Piping Solutions guarantees ASME flanges manufactured with top-tier materials, ensuring superior strength, corrosion resistance, and long-lasting performance for demanding applications.

Certified Compliance

We adhere to strict industry standards, including ASME B16.5, B16.47, and B16.1, ensuring that all our flanges are built to meet Australian and international regulations, providing safe and reliable products.

Tailored Solutions

Whether for high-pressure systems, extreme temperatures, or customized materials, Arrow Piping Solutions offers bespoke solutions, ensuring precise fit and optimal performance for every application.

Cost-Effective

Arrow Piping Solutions provides high-quality ASME flanges at competitive prices, offering the perfect balance of cost savings and reliability, ensuring the best value for your investment.

What types of flanges are covered under AS/NZS 4331.1?

−

AS/NZS 4331.1 covers several types of flanges including slip-on flanges, weld neck flanges, and blind flanges, all designed for use in cast iron piping systems. These flanges are typically used in low to medium-pressure systems such as water and wastewater pipelines.

How does AS/NZS 4331.1 differ from other flange standards?

+

AS/NZS 4331.1 focuses specifically on flanges made from cast iron, offering specifications suited for waterworks and similar applications. It differs from other flange standards, such as ASME or ANSI, which are often used for steel flanges in high-pressure and heavy-duty industrial applications.

Are AS/NZS 4331.1 flanges compatible with other standards?

+

While AS/NZS 4331.1 is tailored to Australian and New Zealand markets, flanges manufactured to this standard can often be compatible with other international flange standards, such as ASME or ISO, depending on the application requirements and specific dimensions.

AVAILABLE TYPES OF FLANGES

TONGUE AND GROOVE FLANGES

MALE AND FEMALE FLANGES

WELD NECK FLANGES

BLIND FLANGES

Orifice Flange

Socket Weld Flange / SWRF Flange