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Dare to innovate, dare to challenge
Shanxi Zhonglifalan Co., Ltd. is located in Dingxiang County, Xinzhou City, Shanxi Province, 10 kilometers from Wutai Mountain Airport. Established in 1997, with a registered capital of 100 million yuan, it is a high-tech enterprise specializing in the production of various alloy forgings and equipment structural parts. -
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The company has an annual production capacity of 50,000 tons. It is capable of forging large forgings with a diameter of 8 meters, a single-piece weight of 50 tons, and a radial height of 1.3 meters, as well as ultra-large metal thin-walled shells with a spin-forming wall thickness >2mm, a diameter of 2 meters, and a length of 4 meters. -
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Products are mainly used in aviation, aerospace, defense, shipbuilding, steam turbines, petroleum refining and chemical industry, coal chemical industry, metallurgy, nuclear power, pressure vessels and other fields.
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Contact Us
Address: Dingxiang, Xinzhou, Shanxi, China
Mobile:+86-18535089110
Email:zhongliflange@163.com
Socket Weld Flange
- Product Description
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Socket Weld Flange – Small-bore, high-pressure, one fillet weld
Socket Weld Flanges (SW Flanges) achieve smooth, high-strength connections without threaded joints or full-penetration welding. Insert the pipe into the socket until it abuts the shoulder, back off 1/16 inch to allow for thermal expansion, then apply a single fillet weld on the outside. Their static strength matches that of socket-weld flanges, while fatigue life improves by approximately 50%, making them particularly suitable for pipelines experiencing frequent pressure or temperature fluctuations.
Size concerns buyers have:
Nominal size
½" – 4" (DN 15 – DN 100)
Pressure class
150 – 2500 lb (PN 10 – PN 400)
Ring face
RF, MFM, RJ
Materials
A105, LF2, F304, F316, F51 duplex, etc.
Weight
0.5 kg – 1 800 kg
Features of Socket Weld Flanges
Single-corner weld - No internal weld, preventing flow obstruction or crevice corrosion
Smooth bore - Pipe ID matches flange bore for low fluid resistance
Compact hub - Suitable for confined pipe racks, dense piping layouts, and skid-mounted modules
High rigidity: Socket weld flanges offer excellent rigidity, withstanding pressure and temperature variations per ASME B16.5.
Typical Applications
High-pressure steam tracing pipes
Hydraulic and lubricating oil pipelines
Chemical injection lines
Sampling points on main pipelines
Fire protection pipeline networks
Quotation Guidelines
1: Provide dimensions, thickness, material, quantity, and standards
2: Specify machining allowances
3: Outline technical requirements
4: Quotation provided within 48 hours
5: Custom manufacturing available per drawings
Keywords:
Zhongli
Flange
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West of Airport Road, North of Hutuo River Bridge, Dingxiang , Shanxi Province
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