Zhejiang Daye Flange Co., Ltd. is one of the leading manufacturers and suppliers of forged 2205 duplex steel flange ring in China. With abundant experience, we are committed to providing high quality flanges made in China with competitive price. We warmly welcome you to buy durable forged 2205 duplex steel flange ring in stock here from our factory. Also, quotation is available.
The flange ring is also known as Steel‑Ring flange.It is similar in structure to plate flanges. It has a larger inner bore, lighter weight and more compact build, suitable for low pressure and smal bore piping connections.
Material options cover common 304/316.. forged 2205 duplex steel flange rings and other special steel grades.
All raw materials are sourced from reputable steel mills and subject to 100% inspection prior to warehousing.
Furthermore, flange rings are prone to deformation owing to their narrow single‑side width, calling for strict flatness machining. Our facility is fitted with high‑precision lathes and seasoned technicians to reliably meet tolerance specifications for flatness, concentricity and others.
Parameters
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Standard: |
ASME B16.5, EN 1092-1 , AWWA-C207, GB/T 9119, Customization |
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Certifications: |
PED/CE, ISO9001, ISO 45001, ISO14001 |
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Size: |
1/2"-160"/Dn10-Dn4000 |
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Rating: |
Pn2.5-Pn100 |
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Material: |
Stainless steel: 304/304L, 316/316L, 321, 316Ti, 347/347H, 310S Super stainless steel: 254SMO/F44,904L Duplex steel: F51/2205, F53/2507 Special alloy steel:Inconel(625, 600, 718, 750, 601), Hastelloy(276,C-22,C-4,C,X,B-2), Monel(400,500), Incoloy(800, 825, 020, 028, 925),etc |
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Facing: |
RF/FF |
Product Advantage
- Cost-effective
- Easy to install
Applications
Low-pressure
Low-temperature
Constant‑temperature service conditions
Test
Mill certificate,100%PMI,Tensile Test,Hardness Test,Impact Test,IC Test,etc.it depends on the requirements.
Cerfitications
PED
PED
ISO 45001
ISO 9001
ISO 14001
Packaging
Outer Packaging:
Fumigated wooden crates/Fumigation-free plywood crates/Customized wooden crates
Inner Packaging:
Plastic flange protectors/Bubble wrap/Cardboard/Protective paper
Packaging can be customized to meet your specific requirements.
FAQ
Q: What is the MOQ?
A: We don't have MOQ,but the more quantity,the price lower.
Q: What are your payment terms?
A: Perfer TT,L/C also acceptable.
Q: What surface finish do you provide?
A: 125-150AARH/,we can also customize accoding to your requirements.
Q: When should Forged 2205 duplex steel flange rings be selected in terms of material choice?
A: Generally, it is applied for media containing chloride ions.Because of 2205's excellent resistance to chloride‑induced corrosion, Forged 2205 duplex steel flange rings are widely used in seawater desalination and circulating‑water systems.
Q: Do all flange rings require bolt-hole drilling?
A: Not all flange rings need to be drilled. If customers purchase them for direct assembly, bolt holes shall be machined in accordance with drawings and standards.
If customers require secondary processing afterwards, or the rings are to be used directly as annular equipment components, no drilling is required.
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