China Flange Manufacturer Offering OEM

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As a leading manufacturer and supplier of F51 duplex steel flanges in China, Zhejiang Dafugui offers a wide range of high-quality flange pipe fittings. With years of experience in the industry, we have built a reputation for providing cost-effective solutions to our clients. Our products are widely exported to South America, Middle East, Africa, Southeast Asia, and other regions. We take pride in our commitment to providing top-notch products and excellent customer service. Whether you need standard or custom-made flange pipe fittings, we are dedicated to meeting your requirements. We strive to be your long-term partner in China and look forward to working with you to achieve mutual success.

Our factory specializes in manufacturing 316 Stainless Steel Socket weld Flanges, ensuring high-quality products with competitive prices. We are committed to providing excellent after-sale service and ensuring timely delivery. Rest assured that you will receive the best quality and service when you purchase 316 Stainless Steel Socket weld Flanges from us. We welcome you to visit our factory and purchase our hot-selling products at affordable prices. Let us work together to establish a long-term partnership and achieve mutual success.

Zhejiang Dafugui is an experienced manufacturer and supplier of 304 stainless steel socket weld flanges in China. These flanges are used when the end of a pipe needs to be inserted into a flange ring step and welded on the outside. Our socket welding flanges come in two types - with neck and without neck. The flange with neck tube has excellent rigidity, small welding deformation, and good sealing performance, making it ideal for use in high-pressure environments (1.0 to 10.0 MPa). Type B flanges are also available for vessels, which have even higher sealing requirements. We offer socket welding flanges made of different materials including carbon steel, stainless steel, and alloy steel. Carbon steel options include ASTM A105, 20#, Q235, 16Mn, ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, and ASTM A694 F42, F46, F48, F50, F52, F56, F60, F65, and F70. Stainless steel options include ASTM A182 F304, 304L, F316, 316L, 1Cr18Ni9Ti, 0Cr18Ni9Ti, 321, and 18-8. Lastly, our alloy steel options include ASTM A182 F1, F5a, F9, F11, F12, F22, F91, A182F12, A182F11, 16MnR, Cr5Mo, 12Cr1MoV, 15CrMo, 12Cr2Mo1, A335P22, and St45.8/Ⅲ. At Zhejiang Dafugui, we have a good price advantage and our products cover most of the South America, Middle East, Africa, Southeast Asia markets. We are committed to providing our customers with high-quality socket welding flanges and excellent after-sale service. Contact us today to become your long-term partner in China.

Zhejiang Dafugui is a renowned Chinese manufacturer and supplier of superior quality 316 Stainless Steel Threaded Flanges. With years of expertise in this industry, we offer our clients a cost-effective pricing advantage, and our products are extensively distributed across various regions including South America, Middle East, Africa, Southeast Asia, and more. We are committed to providing our customers with dependable and enduring partnerships in China.

Zhejiang Dafugui is an experienced manufacturer and supplier of high-quality 304 stainless steel threaded flanges in China. With many years of specialization in this field, we offer our customers a competitive pricing advantage and our products are distributed throughout South America, the Middle East, Africa, Southeast Asia, and other regions. We are dedicated to providing our clients with reliable and long-term partnership in China.