HIGH QUALITY
Wenzhou Shuangneng Valve Co., Ltd. specializes in high-quality stainless steel flange fittings, certified with CE, ISO9001, and TS. Our products meet international standards for durability, safety, and performance, serving industries like oil and gas, chemical processing, and water treatment. With advanced manufacturing and strict quality control, we deliver reliable, leak-proof solutions. Trust Shuangneng for precision and excellence in industrial piping.
SERVICE
We specialize in manufacturing premium stainless steel flange fittings, delivering exceptional quality and reliability. Our commitment extends beyond production—we offer comprehensive after-sales services, including technical support, product maintenance, and troubleshooting, ensuring your systems operate seamlessly. With a customer-first approach, we provide timely solutions and personalized assistance to meet your needs. Trust Shuangneng for not only superior products but also unmatched service and support throughout your project lifecycle. Your satisfaction is our priority.
PRICE
Our company specializes in manufacturing high-quality stainless steel flange fittings, offering the perfect balance between durability and affordability. We ensure top-notch materials and precision engineering, providing you with reliable products at competitive prices. Whether for industrial or commercial use, our stainless steel flange fittings deliver exceptional performance without breaking the budget. Trust us for cost-effective solutions that meet your needs without compromising on quality. Choose us for the best value in stainless steel flange fittings!
| DN10(3/8") | DN15(1/2") | DN20(3/4") | DN25(1") | DN40(1-1/2") |
| DN50(2") | DN80(3") | DN100(4") | DN125(5") | DN150(6") |
| DN200(8") | DN250(10") | DN300(12") | DN350(14") | DN400(16") |
| DN450(18") | DN500(20") | DN550(22") | DN600(24") |
| DN10(3/8") | DN15(1/2") | DN20(3/4") | DN25(1") | DN40(1-1/2") |
| DN50(2") | DN80(3") | DN100(4") | DN125(5") | DN150(6") |
| DN200(8") | DN250(10") | DN300(12") | DN350(14") | DN400(16") |
| DN450(18") | DN500(20") | DN550(22") | DN600(24") |
| DN10(3/8") | DN15(1/2") | DN20(3/4") | DN25(1") | DN40(1-1/2") |
| DN50(2") | DN80(3") | DN100(4") | DN125(5") | DN150(6") |
| DN200(8") | DN250(10") | DN300(12") | DN350(14") | DN400(16") |
| DN450(18") | DN500(20") | DN550(22") | DN600(24") |
| DN10(3/8") | DN15(1/2") | DN20(3/4") | DN25(1") | DN40(1-1/2") |
| DN50(2") | DN80(3") | DN100(4") | DN125(5") | DN150(6") |
| DN200(8") | DN250(10") | DN300(12") | DN350(14") | DN400(16") |
| DN450(18") | DN500(20") | DN550(22") | DN600(24") |
| DN10(3/8") | DN15(1/2") | DN20(3/4") | DN25(1") | DN40(1-1/2") |
| DN50(2") | DN80(3") | DN100(4") | DN125(5") | DN150(6") |
| DN200(8") | DN250(10") | DN300(12") | DN350(14") | DN400(16") |
| DN450(18") | DN500(20") | DN550(22") | DN600(24") |
| DN10(3/8") | DN15(1/2") | DN20(3/4") | DN25(1") | DN40(1-1/2") |
| DN50(2") | DN80(3") | DN100(4") | DN125(5") | DN150(6") |
| DN200(8") | DN250(10") | DN300(12") | DN350(14") | DN400(16") |
| DN450(18") | DN500(20") | DN550(22") | DN600(24") |
| DN10(3/8") | DN15(1/2") | DN20(3/4") | DN25(1") | DN40(1-1/2") |
| DN50(2") | DN80(3") | DN100(4") | DN125(5") | DN150(6") |
| DN200(8") | DN250(10") | DN300(12") | DN350(14") | DN400(16") |
| DN450(18") | DN500(20") | DN550(22") | DN600(24") |
| DN10(3/8") | DN15(1/2") | DN20(3/4") | DN25(1") | DN40(1-1/2") |
| DN50(2") | DN80(3") | DN100(4") | DN125(5") | DN150(6") |
| DN200(8") | DN250(10") | DN300(12") | DN350(14") | DN400(16") |
| DN450(18") | DN500(20") | DN550(22") | DN600(24") |
| DN10(3/8") | DN15(1/2") | DN20(3/4") | DN25(1") | DN40(1-1/2") |
| DN50(2") | DN80(3") | DN100(4") | DN125(5") | DN150(6") |
| DN200(8") | DN250(10") | DN300(12") | DN350(14") | DN400(16") |
| DN450(18") | DN500(20") | DN550(22") | DN600(24") |
| DN10(3/8") | DN15(1/2") | DN20(3/4") | DN25(1") | DN40(1-1/2") |
| DN50(2") | DN80(3") | DN100(4") | DN125(5") | DN150(6") |
| DN200(8") | DN250(10") | DN300(12") | DN350(14") | DN400(16") |
| DN450(18") | DN500(20") | DN550(22") | DN600(24") |
| DN10(3/8") | DN15(1/2") | DN20(3/4") | DN25(1") | DN40(1-1/2") |
| DN50(2") | DN80(3") | DN100(4") | DN125(5") | DN150(6") |
| DN200(8") | DN250(10") | DN300(12") | DN350(14") | DN400(16") |
| DN450(18") | DN500(20") | DN550(22") | DN600(24") |
| DN10(3/8") | DN15(1/2") | DN20(3/4") | DN25(1") | DN40(1-1/2") |
| DN50(2") | DN80(3") | DN100(4") | DN125(5") | DN150(6") |
| DN200(8") | DN250(10") | DN300(12") | DN350(14") | DN400(16") |
| DN450(18") | DN500(20") | DN550(22") | DN600(24") |
| DN10(3/8") | DN15(1/2") | DN20(3/4") | DN25(1") | DN40(1-1/2") |
| DN50(2") | DN80(3") | DN100(4") | DN125(5") | DN150(6") |
| DN200(8") | DN250(10") | DN300(12") | DN350(14") | DN400(16") |
| DN450(18") | DN500(20") | DN550(22") | DN600(24") |
| DN10(3/8") | DN15(1/2") | DN20(3/4") | DN25(1") | DN40(1-1/2") |
| DN50(2") | DN80(3") | DN100(4") | DN125(5") | DN150(6") |
| DN200(8") | DN250(10") | DN300(12") | DN350(14") | DN400(16") |
| DN450(18") | DN500(20") | DN550(22") | DN600(24") |
| DN10(3/8") | DN15(1/2") | DN20(3/4") | DN25(1") | DN40(1-1/2") |
| DN50(2") | DN80(3") | DN100(4") | DN125(5") | DN150(6") |
| DN200(8") | DN250(10") | DN300(12") | DN350(14") | DN400(16") |
| DN450(18") | DN500(20") | DN550(22") | DN600(24") |
| DN10(3/8") | DN15(1/2") | DN20(3/4") | DN25(1") | DN40(1-1/2") |
| DN50(2") | DN80(3") | DN100(4") | DN125(5") | DN150(6") |
| DN200(8") | DN250(10") | DN300(12") | DN350(14") | DN400(16") |
| DN450(18") | DN500(20") | DN550(22") | DN600(24") |
| DN10(3/8") | DN15(1/2") | DN20(3/4") | DN25(1") | DN40(1-1/2") |
| DN50(2") | DN80(3") | DN100(4") | DN125(5") | DN150(6") |
| DN200(8") | DN250(10") | DN300(12") | DN350(14") | DN400(16") |
| DN450(18") | DN500(20") | DN550(22") | DN600(24") |
Wenzhou Shuangneng Valve Co., Ltd., a trusted stainless steel flange and pipe fittings manufacturer in China, meticulously crafts industrial-grade flanges through a 7-step ASME-certified process. Combining advanced CNC machining, precision heat treatment, and rigorous NDT testing, their flanges ensure leak-proof performance in extreme environments like oil refineries and desalination plants.
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Wenzhou Shuangneng warns against low-quality flanges causing leaks, explosions, and costly downtime. As a certified stainless steel flange fittings manufacturer, we ensure ASME B16.5-compliant products with PMI testing, Ra≤3.2μm surfaces, and 25+ year lifespans.
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Wenzhou Shuangneng Valve Co., Ltd. specializes in manufacturing corrosion-resistant stainless steel, duplex steel, and specialty alloy flanges, pipe fittings, and custom components for 20+ years. Compliant with ASME, DIN, JIS, and GB standards, we offer OEM solutions with MOQ 1 unit. Ideal for harsh environments in oil/gas, chemical, and marine industries.
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Explore the types, benefits, and applications of stainless steel cross fittings. Learn how to choose the right 4-way connector for your industry and discover ASTM/ASME-certified solutions at ShuangNeng.
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Discover the benefits, types, and applications of stainless steel elbows. Learn how to choose the right fitting for your industry and explore premium ASTM-certified solutions at SHUANG NENG
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Discover the stainless steel tube sheet, a vital component in heat exchangers and industrial systems. Known for its corrosion resistance, high durability, and efficient heat transfer, it is ideal for applications in chemical processing, power plants, and marine engineering. Enhance your equipment's performance with this reliable solution.
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Discover the stainless steel blind flange, a vital component in industrial piping systems. Known for its corrosion resistance, high durability, and temperature tolerance, it is ideal for sealing pipelines in oil and gas, chemical processing, and marine applications. Learn how this innovative solution enhances safety, efficiency, and longevity in modern engineering. Visit our website for more details!
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Introducing the PL Flange (Plate Flange), a revolutionary solution for industrial piping systems. Designed for superior sealing, durability, and ease of installation, it’s ideal for oil and gas, chemical processing, water treatment, and power generation.
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Stainless steel non-standard flanges are essential in pipeline engineering, offering durability and versatility for low/high-pressure systems. Their corrosion resistance and innovative design ensure reliable connections, despite leakage challenges. Discover more on our website.
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A stainless steel flange is a mechanical component used to connect pipes, valves, pumps, and other equipment in a piping system. It provides a secure and leak-proof joint while allowing for easy assembly and disassembly. Flanges are widely used in industries such as oil and gas, chemical processing, water treatment, and power generation.
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The corrosion resistance of American standard stainless steel flanges depends on the alloy elements contained in the steel.
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The origin of the product name 'marine flange' is closely related to its intended use.
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Stainless steel non-standard flange is a disc-shaped component commonly used in pipeline engineering, and flanges are used in pairs.
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