Stainless Steel Welding Neck Flange
Made of high-grade SS304/SS316 stainless steel, offering excellent corrosion and oxidation resistance. Precision forged and CNC machined, with flat sealing face and accurately drilled bolt holes, ensuring secure pipe connections and reliable sealing; custom/OEM designs available upon request with drawings. Specifically engineered for medium to high pressure industrial piping systems, widely used for water, oil, gas, chemical, and other media. Robust structure, pressure-resistant, easy installation, stable sealing performance, and long service life.
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Item |
Parameter |
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Product Name |
Welding Neck Flange |
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Material |
304 / 316 |
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Execution Standards |
HG/T20592-2009, EN 1092-1, ASME B16.5, GOST 33259-2015 |
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Pressure Ratings |
PN10 / PN16 |
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Sealing Face Type |
RF (Raised Face) |
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Sizes Available |
1/4", 3/8", 1/2", 3/4", 1", 1 1/4", 1 1/2", 2", 2 1/2", 3", 4" |
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Minimum Order Quantity |
100 pcs or negotiable |
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Delivery Time |
15–20 days after order confirmation |
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Shipping Terms |
EXW / FOB / CIF / CFR |
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Port of Loading |
Shanghai Port (adjustable upon request) |
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Quality Certificates |
ISO9001, CE, EAC |
This stainless steel welding neck flange is designed for demanding industrial piping systems. The long neck tapered structure, when butt welded with the pipe, achieves high strength joint connections and smooth pressure transmission. It is widely used in industries such as water treatment, oil & gas, chemical processing, energy and power, as well as high end equipment manufacturing. Capable of long term adaptation to high pressure, high temperature, and highly corrosive media conditions, it ensures precise fitting and stable sealing at pipe connections, fully meeting the stringent industry requirements for pressure bearing strength, weather resistance, and chemical corrosion resistance.
