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| EN1092 Steel Socket Weld Pipe Flange
Socket Weld Flanges: A Brief Overview
(1) Materials:
Commonly crafted from carbon steel, stainless steel, and alloy steel.
Carbon steel is standard for general industry use.
Stainless steel offers enhanced corrosion resistance, suitable for chemical and food industries.
Alloy steel provides higher strength and temperature resistance, ideal for high-temperature, high-pressure environments.
(2) Applications:
Primarily used for connecting pipes, valves, and pumps to facilitate fluid media transfer and sealing.
Crucial in various sectors including chemical, petroleum, natural gas, water treatment, and refrigeration.
(3) Key Features:
Simplicity: Socket weld flanges have a straightforward design, easy to manufacture and install.
Sealing: They ensure a tight seal through welding, crucial for fluid media containment.
Strength: Known for their high strength and rigidity, capable of withstanding pressure and vibration.
Corrosion Resistance: Stainless steel variants are particularly resistant to various corrosive environments.
| Advantage
1. Versatility:
Socket weld flanges, with their fillet welding, are preferred for high structural integrity and minimal leakage risk.
They are widely applicable across petrochemical, chemical, energy, and machinery industries.
2. Ease of Installation:
No need for on-site splicing, groove preparation, or calibration welding.
Simply insert the connecting piece, reducing time and construction costs as welding material does not penetrate the pipe hole.
3. Leak-Tight Structure:
Stainless steel socket weld flanges provide a compact connection, preventing loosening or detachment due to external forces. They can replace threaded flanges, effectively preventing leaks and ensuring the safe operation of industrial equipment.
| Size
| NPS | A | B | C | D | E | K | F | G | H | I | J | W |
| inch | inch | inch | inch | inch | inch | inch | inch | No. of Holes | inch | inch | kg/pc | |
| mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | |||
| 1/2 | 3.5 | 0.62 | 0.44 | 0.62 | 0.88 | 0.38 | 1.19 | 1.38 | 4 | 0.62 | 2.38 | 0.42 |
| 88.9 | 15.7 | 11.2 | 15.7 | 22.4 | 9.6 | 30.2 | 35.1 | 15.7 | 60.45 | |||
| 3/4 | 3.88 | 0.82 | 0.5 | 0.62 | 1.09 | 0.44 | 1.5 | 1.69 | 4 | 0.62 | 2.75 | 0.59 |
| 98.6 | 20.8 | 12.7 | 15.7 | 27.7 | 11.1 | 38.1 | 42.9 | 15.7 | 69.85 | |||
| 1 | 4.25 | 1.05 | 0.56 | 0.69 | 1.36 | 0.5 | 1.94 | 2 | 4 | 0.62 | 3.12 | 0.81 |
| 108 | 26.7 | 14.2 | 17.5 | 34.5 | 12.7 | 49.3 | 50.8 | 15.7 | 79.25 | |||
| 1 1/4 | 4.62 | 1.38 | 0.62 | 0.81 | 1.7 | 0.56 | 2.31 | 2.5 | 4 | 0.62 | 3.5 | 1.07 |
| 117.3 | 35.1 | 15.7 | 20.6 | 43.2 | 14.2 | 58.7 | 63.5 | 15.7 | 88.9 | |||
| 1 1/2 | 5 | 1.61 | 0.69 | 0.88 | 1.95 | 0.62 | 2.56 | 2.88 | 4 | 0.62 | 3.88 | 1.36 |
| 127 | 40.9 | 17.5 | 22.3 | 49.5 | 15.7 | 65 | 73.15 | 15.7 | 98.6 | |||
| 2 | 6 | 2.07 | 0.75 | 1 | 2.44 | 0.69 | 3.06 | 3.62 | 4 | 0.75 | 4.75 | 2.1 |
| 152.4 | 52.6 | 19.1 | 25.4 | 62 | 17.5 | 77.7 | 91.9 | 19.1 | 120.7 | |||
| 2 1/2 | 7 | 2.47 | 0.88 | 1.12 | 2.94 | 0.75 | 3.56 | 4.12 | 4 | 0.75 | 5.5 | 3.33 |
| 177.8 | 62.7 | 22.4 | 28.4 | 74.7 | 19 | 90.4 | 104.6 | 19.1 | 139.7 | |||
| 3 | 7.5 | 3.07 | 0.94 | 1.19 | 3.57 | 0.81 | 4.25 | 5 | 4 | 0.75 | 6 | 3.9 |
| 190.5 | 78 | 23.9 | 30.2 | 90.7 | 20.6 | 108 | 127 | 19.1 | 152.4 |
| Flange parameter table
| Testing Quality
Comparative Analysis: Material, Corrosion Resistance, and Surface Treatment of SS vs CS Flanges
1. SS FLG
(1) Whitening treatment: Remove the black oxide scale by sandblasting or chemical method to achieve the perpose of whitening the natural color of stainless steel flanges.
(2) Mirror finish treatment: According to the complexity of the stainless steel flange product and user requirements, mechanical polishing, chemical polishing, electrochemical polishing and other methods can be used to achieve mirror gloss.
(3) Coloring treatment: Give stainless steel flange products various colors by chemical oxidation coloring, electrochemical oxidation coloring, ion deposition oxide coloring, high temperature oxidation coloring, gas phase decomposition coloring and other methods, increase the variety of product colors, and improve the wear resistance and corrosion resistance of the product.
2. CS FLG
(1) Coating treatment: Carbon steel flanges usually need to be coated to increase their corrosion resistance. Common coating materials include epoxy coatings, polyester coatings, etc.
Hot-dip galvanizing: Carbon steel flanges can also be treated for corrosion by hot-dip galvanizing.
(2) Rust removal, degreasing and sandblasting: The flange surface must be treated as necessary, including rust removal to remove the oxide layer and rust on the flange surface, increase the roughness of the flange surface, and facilitate coating adhesion; degreasing is to remove oil and impurities on the flange surface to ensure the adhesion of the coating; sandblasting can further increase the roughness of the flange surface and improve the adhesion and coverage of the coating.
| EN1092 Steel Socket Weld Pipe Flange
Socket Weld Flanges: A Brief Overview
(1) Materials:
Commonly crafted from carbon steel, stainless steel, and alloy steel.
Carbon steel is standard for general industry use.
Stainless steel offers enhanced corrosion resistance, suitable for chemical and food industries.
Alloy steel provides higher strength and temperature resistance, ideal for high-temperature, high-pressure environments.
(2) Applications:
Primarily used for connecting pipes, valves, and pumps to facilitate fluid media transfer and sealing.
Crucial in various sectors including chemical, petroleum, natural gas, water treatment, and refrigeration.
(3) Key Features:
Simplicity: Socket weld flanges have a straightforward design, easy to manufacture and install.
Sealing: They ensure a tight seal through welding, crucial for fluid media containment.
Strength: Known for their high strength and rigidity, capable of withstanding pressure and vibration.
Corrosion Resistance: Stainless steel variants are particularly resistant to various corrosive environments.
| Advantage
1. Versatility:
Socket weld flanges, with their fillet welding, are preferred for high structural integrity and minimal leakage risk.
They are widely applicable across petrochemical, chemical, energy, and machinery industries.
2. Ease of Installation:
No need for on-site splicing, groove preparation, or calibration welding.
Simply insert the connecting piece, reducing time and construction costs as welding material does not penetrate the pipe hole.
3. Leak-Tight Structure:
Stainless steel socket weld flanges provide a compact connection, preventing loosening or detachment due to external forces. They can replace threaded flanges, effectively preventing leaks and ensuring the safe operation of industrial equipment.
| Size
| NPS | A | B | C | D | E | K | F | G | H | I | J | W |
| inch | inch | inch | inch | inch | inch | inch | inch | No. of Holes | inch | inch | kg/pc | |
| mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | |||
| 1/2 | 3.5 | 0.62 | 0.44 | 0.62 | 0.88 | 0.38 | 1.19 | 1.38 | 4 | 0.62 | 2.38 | 0.42 |
| 88.9 | 15.7 | 11.2 | 15.7 | 22.4 | 9.6 | 30.2 | 35.1 | 15.7 | 60.45 | |||
| 3/4 | 3.88 | 0.82 | 0.5 | 0.62 | 1.09 | 0.44 | 1.5 | 1.69 | 4 | 0.62 | 2.75 | 0.59 |
| 98.6 | 20.8 | 12.7 | 15.7 | 27.7 | 11.1 | 38.1 | 42.9 | 15.7 | 69.85 | |||
| 1 | 4.25 | 1.05 | 0.56 | 0.69 | 1.36 | 0.5 | 1.94 | 2 | 4 | 0.62 | 3.12 | 0.81 |
| 108 | 26.7 | 14.2 | 17.5 | 34.5 | 12.7 | 49.3 | 50.8 | 15.7 | 79.25 | |||
| 1 1/4 | 4.62 | 1.38 | 0.62 | 0.81 | 1.7 | 0.56 | 2.31 | 2.5 | 4 | 0.62 | 3.5 | 1.07 |
| 117.3 | 35.1 | 15.7 | 20.6 | 43.2 | 14.2 | 58.7 | 63.5 | 15.7 | 88.9 | |||
| 1 1/2 | 5 | 1.61 | 0.69 | 0.88 | 1.95 | 0.62 | 2.56 | 2.88 | 4 | 0.62 | 3.88 | 1.36 |
| 127 | 40.9 | 17.5 | 22.3 | 49.5 | 15.7 | 65 | 73.15 | 15.7 | 98.6 | |||
| 2 | 6 | 2.07 | 0.75 | 1 | 2.44 | 0.69 | 3.06 | 3.62 | 4 | 0.75 | 4.75 | 2.1 |
| 152.4 | 52.6 | 19.1 | 25.4 | 62 | 17.5 | 77.7 | 91.9 | 19.1 | 120.7 | |||
| 2 1/2 | 7 | 2.47 | 0.88 | 1.12 | 2.94 | 0.75 | 3.56 | 4.12 | 4 | 0.75 | 5.5 | 3.33 |
| 177.8 | 62.7 | 22.4 | 28.4 | 74.7 | 19 | 90.4 | 104.6 | 19.1 | 139.7 | |||
| 3 | 7.5 | 3.07 | 0.94 | 1.19 | 3.57 | 0.81 | 4.25 | 5 | 4 | 0.75 | 6 | 3.9 |
| 190.5 | 78 | 23.9 | 30.2 | 90.7 | 20.6 | 108 | 127 | 19.1 | 152.4 |
| Flange parameter table
| Testing Quality
Comparative Analysis: Material, Corrosion Resistance, and Surface Treatment of SS vs CS Flanges
1. SS FLG
(1) Whitening treatment: Remove the black oxide scale by sandblasting or chemical method to achieve the perpose of whitening the natural color of stainless steel flanges.
(2) Mirror finish treatment: According to the complexity of the stainless steel flange product and user requirements, mechanical polishing, chemical polishing, electrochemical polishing and other methods can be used to achieve mirror gloss.
(3) Coloring treatment: Give stainless steel flange products various colors by chemical oxidation coloring, electrochemical oxidation coloring, ion deposition oxide coloring, high temperature oxidation coloring, gas phase decomposition coloring and other methods, increase the variety of product colors, and improve the wear resistance and corrosion resistance of the product.
2. CS FLG
(1) Coating treatment: Carbon steel flanges usually need to be coated to increase their corrosion resistance. Common coating materials include epoxy coatings, polyester coatings, etc.
Hot-dip galvanizing: Carbon steel flanges can also be treated for corrosion by hot-dip galvanizing.
(2) Rust removal, degreasing and sandblasting: The flange surface must be treated as necessary, including rust removal to remove the oxide layer and rust on the flange surface, increase the roughness of the flange surface, and facilitate coating adhesion; degreasing is to remove oil and impurities on the flange surface to ensure the adhesion of the coating; sandblasting can further increase the roughness of the flange surface and improve the adhesion and coverage of the coating.
