AWWA C207 Class F Ring Flange | Heavy-Duty Flange Supplier

AWWA C207 Class F Ring Flange – For High-Pressure Waterworks

The AWWA C207 Class F Ring Flange is designed for high-pressure water systems where robust performance and precise alignment are essential. With a pressure rating of up to 400 psi and a bolt circle matching ANSI B16.5 Class 300 or 600, these flanges are fabricated from carbon steel plate and are ideal for aboveground and underground installations. Werner Flanges Inc. produces dimensionally accurate and durable Class F ring flanges that meet all AWWA and industry-specific requirements.

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These flanges are commonly used in critical waterworks infrastructure, pump stations, power plants, industrial water distribution, and wastewater treatment facilities. Their ability to withstand high pressure makes them suitable for both potable and non-potable water systems requiring minimal maintenance over time.

At Werner Flanges Inc., we stock and manufacture AWWA C207 Class F Ring Flanges in standard sizes from 4” to 60”. Flanges are available in flat face (FF) type and offered with protective coatings such as red oxide, black paint, or hot-dip galvanization. Our flanges are supplied with full certification and quality documentation, ensuring compliance with global project specifications.

Why Choose Werner Flanges Inc.:
With decades of experience, Werner Flanges Inc. has become a go-to source for AWWA flanges in the international market. We support large-scale procurement for municipal water boards, EPC contractors, and plant fabricators, offering quick delivery, export-friendly packaging, and full technical support to our B2B customers.

AWWA C207 Class F Ring Flange – For High-Pressure Waterworks Technical Specifications

Specification	Details
Standard	AWWA C207 – Class F
Flange Types	Ring Flange
Pressure Ratings	Up to 400 psi
Size Range	4” to 60”
Facing Types	Flat Face (FF)
Manufacturing Process	Forged / Machined
Testing & Certification	EN 10204 3.1 / 3.2, PMI Testing, Hydrostatic Testing, Third-Party Inspection

Material Specifications for AWWA C207 Class F Ring Flange – For High-Pressure Waterworks

Type of Materials	Common Specifications / Customization Available on Request
Duplex Steel	ASTM/ASME A182 F51, F60, F61, UNS S31803, UNS S32205
Super Duplex Steel	ASTM/ASME A182 F53, F55, UNS S32750, UNS S32760, F44 (6Mo)
Stainless Steel	ASTM/ASME A182 F304, F304L, F316, F316L, F310, F317L, F321, F347
Carbon Steel	ASTM A105, A350 LF1, LF2, LF3, A266 Class 1/2, A694 F42 to F70, A765 Gr. II
Alloy Steel	ASTM/ASME A182 F1, F5, F9, F11, F12, F22
Non-Ferrous Alloys	Titanium, Brass, Admiralty Brass, Copper Nickel, Nickel Alloys, Hastelloy
Titanium	ASTM/ASME B381 Gr.1, Gr.2, Gr.5, Gr.7, Gr.12, Gr.16
Copper Nickel	ASTM B151 UNS C70600 (Cu-Ni 90/10), C71500 (Cu-Ni 70/30)
Brass, Al-Brass	ASTM B152 UNS C26000, C27200, C28000; ASTM B111 for Al-Brass
Nickel Alloys	ASTM B160, B161, B564 – UNS N02200, N02201, N04400, N08800, N08825, N06600, N06601, N06625, Monel K500
Alloy 20	ASTM B462 UNS N08020
Hastelloy	ASTM B564 UNS N10276 (Hastelloy C276), N06022 (Hastelloy C22)
Cladded Materials	ASTM B898, B265, B424 or custom explosion/clad bonding using dissimilar metals
Cladded Materials	Titanium-Steel, Nickel-Steel, Titanium-Copper, Stainless Steel-Carbon Steel, Bimetallic/Trimetallic Combinations

Types of AWWA C207 Class F Ring Flange – For High-Pressure Waterworks

AWWA Class F Ring-Type Flange
High-Pressure Waterworks Flange
ANSI 600 Equivalent Flange
AWWA Steel Ring Flange
Class F Flat Face Flange
Heavy-Duty Pipe Flange
Carbon Steel AWWA F Flange

Industries and Applications of AWWA C207 Class F Ring Flange – For High-Pressure Waterworks

Industry	Application
Oil & Gas Industry	Used extensively in upstream, midstream, and downstream operations for high-pressure piping and processing systems requiring robust sealing solutions.
Petrochemical & Chemical Processing	Ideal for handling corrosive chemicals and high-temperature pipelines in refining and chemical manufacturing processes.
Power Generation	Installed in thermal, nuclear, and hydroelectric power plants for critical pressure applications and steam systems.
Water Treatment & Desalination	Used in high-pressure water distribution, desalination, and wastewater treatment pipelines ensuring durability and leak resistance.
Marine & Offshore Industry	Suitable for seawater piping systems, ballast systems, and pressure vessels in marine engineering and offshore platforms.
Pharmaceutical Industry	Ensures sanitary, high-pressure fluid handling in sterile environments and cleanroom process systems.
Food & Beverage Industry	Used in hygienic and high-pressure processing lines where corrosion resistance and strength are critical.
Mining & Mineral Processing	Supports slurry transport systems and ore processing pipelines in mining operations.

Frequently Asked Questions (FAQs) about AWWA C207 Class F Ring Flange – For High-Pressure Waterworks

1. What is AS and NZS 4331.1 flange standard?

AS (Australian Standard) and NZS (New Zealand Standard) 4331.1 specify the dimensions, materials, and design requirements for flanges used in high-pressure piping systems in Australia and New Zealand.

2. What materials are used for AS and NZS 4331.1 flanges?

These flanges are typically manufactured from carbon steel, stainless steel, and alloy steel grades to ensure durability and corrosion resistance across various industrial applications.

3. What industries commonly use AS and NZS 4331.1 flanges?

They are widely used in oil & gas, petrochemical, power generation, water treatment, marine, pharmaceutical, and food & beverage industries.

4. Are AS and NZS 4331.1 flanges compatible with other international flange standards?

While AS and NZS 4331.1 flanges are designed for Australian and New Zealand standards, their dimensions and pressure ratings are often comparable to certain ISO and ANSI standards, but compatibility should be verified for each specific application.

5. How do I choose the right flange size under AS and NZS 4331.1?

Select the flange size based on your piping system’s nominal diameter, pressure rating, and the specific design parameters outlined in the AS and NZS 4331.1 standards.

6. Can AS and NZS 4331.1 flanges be used for high-temperature applications?

Yes, these flanges are suitable for high-temperature environments when manufactured with appropriate materials and according to the standards’ specifications.

7. Where can I buy certified AS and NZS 4331.1 flanges?

You can purchase certified AS and NZS 4331.1 flanges from authorized manufacturers and distributors who comply with Australian and New Zealand quality standards.