ISO Flange Standard

Home / Industrial Flanges

ISO 7005-1, 7005-2, 2084, 6162-1 And 6162-2, 1609, 6182-1, 2531, 9001, 10838 Flange

ISO Flange Standards define the specifications for flanges used in industrial piping systems. The most common standard, ISO 7005-1, covers the general requirements for flanges, including dimensions, material specifications, pressure ratings, and types of flanges such as weld neck, slip-on, blind, and threaded. These standards ensure that flanges are compatible across different industries and provide reliable connections for piping systems in sectors like oil and gas, petrochemical, water treatment, and more. ISO flanges are designed for high performance, ensuring durability, corrosion resistance, and secure sealing under high pressure and temperature conditions. Compliance with ISO standards guarantees the quality, safety, and reliability of flanges in diverse applications.

Arrow Piping Solutions is a leading manufacturer and supplier of high-quality ISO Flanges products. With a commitment to excellence, we provide a wide range of products tailored to meet the needs of various industries. Our extensive product portfolio includes ISO 7005-1, 7005-2, 2084, 6162-1 And 6162-2, 1609, 6182-1, 2531, 9001, 10838 Flanges. At Arrow Piping Solutions, we pride ourselves on offering customized solutions, ensuring that our products meet strict industry standards and customer specifications. Our dedication to quality, reliability, and on-time delivery makes us a trusted partner for clients across the globe.

Long Weld Neck Flange

ISO-K Vacuum Flange, ISO HV Flange, ISO 7005-1 Compliant Flange, ISO-F Vacuum Flange, ISO 6162 Hydraulic Flange, ISO welding flanges, ISO blind flange, ISO slip-on flange, ISO weld neck flange, ISO socket weld flange, ISO stainless steel flange

ISO certified 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 ➜

ISO Flange - Dimensions


Weld Neck Flange Diagram

ISO K-Style Flange - Dimensions

+
Flange Size Tube O.D.
(in.)		 Flange O.D.
in.(mm)		 Flange Thickness
in.(mm)		 Number of Clamps Assembly Diameter
in.(mm)
Minimal Optimal
ISO 63 2.5 3.74 (95) 0.47 (11.94) 3 4 5.00 (127)
ISO 80 3 4.33 (110) 0.47 (11.94) 4 8 5.59 (142)
ISO 100 4 5.12 (130) 0.47 (11.94) 4 8 6.38 (162)
ISO 160 6 7.09 (180) 0.47 (11.94) 4 8 8.35 (212)
ISO 200 8 9.45 (240) 0.47 (11.94) 6 12 10.71 (272)
ISO 250 10 11.42 (290) 0.47 (11.94) 6 12 12.68 (322)
ISO 320 12.75 14.57 (370) 0.67 (17.02) 8 12 16.73 (425)
ISO 400 16 17.72 (450) 0.67 (17.02) 8 16 20.08 (510)
ISO 500 20 21.65 (550) 0.67 (17.02) 12 16 24.02 (610)
ISO 630 24 27.17 (690) 0.87 (22.10) 14 18 29.53 (750)

ISO F-Style Flange - Dimensions

+
Flange Size Tube O.D.
(in.)		 Flange O.D.
in.(mm)		 Flange Thickness
in.(mm)		 No. of Bolts Holes Diameter
in.(mm)		 BCD
in.(mm)
ISO 63 2.5 5.12 (130) 0.47 (11.94) 4 0.35 (9) 4.33 (110)
ISO 80 3 5.71 (145) 0.47 (11.94) 8 0.35 (9) 4.92 (125)
ISO 100 4 6.50 (165) 0.47 (11.94) 8 0.35 (9) 5.71 (145)
ISO 160 6 8.86 (225) 0.63 (16.00) 8 0.43 (11) 7.87 (200)
ISO 200 8 11.22 (285) 0.63 (16.00) 12 0.43 (11) 10.24 (260)
ISO 250 10 13.19 (335) 0.63 (16.00) 12 0.43 (11) 12.20 (310)
ISO 320 12.75 16.73 (425) 0.79 (20.07) 12 0.55 (14) 15.55 (395)
ISO 400 16 20.08 (510) 0.79 (20.07) 16 0.55 (14) 18.90 (480)
ISO 500 20 24.02 (610) 0.79 (20.07) 16 0.55 (14) 22.83 (580)
ISO 630 24 29.53 (750) 0.94 (23.88) 20 0.55 (14) 28.35 (720)

Centering Ring Flange - Dimensions

+
Size Lip O.D.
in.(mm)		 Lip I.D.
in.(mm)		 Thickness
in.(mm)
ISO 63 2.756 (70) 2.63 (66.8) 0.154 (3.9)
ISO 80 3.268 (83) 3.14 (79.8) 0.154 (3.9)
ISO 100 4.016 (102) 3.89 (98.8) 0.154 (3.9)
ISO 160 6.024 (153) 5.90 (149.9) 0.154 (3.9)
ISO 200 8.386 (213) 8.26 (209.8) 0.154 (3.9)
ISO 250 10.276 (261) 10.14 (257.6) 0.154 (3.9)
ISO 320 12.520 (318) 12.30 (312.4) 0.220 (5.6)
ISO 400 15.748 (400) 15.53 (394.5) 0.220 (5.6)
ISO 500 19.724 (501) 19.51 (495.6) 0.220 (5.6)
ISO 630 25.630 (651) 25.41 (645.4) 0.220 (5.6)

ISO pipe flanges Standards

ISO Pipe Flanges standards are internationally recognized specifications that define the design, dimensions, materials, and pressure ratings for flanges used in piping systems. These standards ensure consistency, safety, and interoperability across industries such as oil and gas, petrochemical, power generation, and water treatment.

1. ISO 7005-1

Steel flanges for use in pressure systems. It includes requirements for dimensions, materials, and pressure ratings for steel flanges such as weld neck, slip-on, blind, and threaded flanges, commonly used in high-pressure applications.

2. ISO 7005-2

Cast iron flanges for pressure systems. This standard provides requirements for cast iron flanges, typically used in lower-pressure applications, such as in water treatment systems.

3. ISO 7005-3

Stainless steel flanges. This standard applies to stainless steel flanges used in corrosive environments and specifies materials and dimensions for their use in pressure piping systems.

4. ISO 5752

Flanged pipe joints – dimensions of flanged pipe joints. This standard defines the dimensions and pressure ratings for flanged joints in industrial piping systems, ensuring reliable and leak-proof connections.

5. ISO 9001:

Quality management systems. While not specific to flanges, ISO 9001 certifies the overall quality control systems of manufacturers, ensuring products, including flanges, meet stringent quality standards.

6. ISO 6162:

Flanges for hydraulic systems. This standard specifies the design and dimensional requirements for flanges used in hydraulic systems, such as for oil and gas pipelines.

7. ISO 10838:

Flanges for hydraulic systems. This standard specifies the design and dimensional requirements for flanges used in hydraulic systems, such as for oil and gas pipelines.

WHY Arrow Piping Solutions For ISO 7005-1 flanges!

Arrow Piping Solutions is a trusted provider for ISO flanges, offering a range of benefits that make us the go-to choice for industries requiring high-quality, reliable flanges. Here’s why you should choose Arrow Piping Solutions for your ISO flange needs:

Compliance with ISO Standards

We ensure that all our ISO flanges meet or exceed the specific requirements of the ISO 7005-1 standard, guaranteeing the right dimensions, materials, and pressure ratings for your applications.

Wide Selection of Flanges

Our range of ISO flanges includes various types such as weld neck, slip-on, blind, and threaded flanges, suitable for a wide variety of industrial piping systems.

Precision Manufacturing

Our state-of-the-art manufacturing techniques and stringent quality control processes ensure that each flange meets exacting standards, ensuring optimal performance in your systems.

Competitive Pricing

We offer ISO 7005-1 flanges at cost-effective prices without compromising on quality, giving you the best value for your investment.

What are the key ISO flange standards?

−

ISO 7005-1: Flanges for pipes, valves, fittings, and accessories.

ISO 5752: Flanges and their pressure-temperature ratings.

ISO 9001: Quality management systems applicable to flange manufacturers.

Are ISO flanges compatible with other flange standards?

+

ISO flanges are generally compatible with other flange standards (like ASME or ANSI) when proper adapters or transitioning components are used. However, it's crucial to ensure dimensional compatibility for a secure connection.

How do ISO flanges differ from ANSI or ASME flanges?

+

ISO flanges are standardized by the International Organization for Standardization (ISO), while ANSI and ASME standards are American-based. The key differences may include dimensional variations, pressure ratings, and material specifications based on regional standards.

AVAILABLE TYPES OF FLANGES

TONGUE AND GROOVE FLANGES

MALE AND FEMALE FLANGES

WELD NECK FLANGES

BLIND FLANGES

Orifice Flange

Socket Weld Flange / SWRF Flange