Xi'an Longjoy Foreign Trade Co.,Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | Annual output 50000 tons |
| Delivery Time | Depends on the quantity of goods |
| Packaging Details | Export standard packaging |
| Material | SS304 SS316L |
| Standard | DIN,ANSI,ASTM,GB |
| Size | Customized Size |
| Application | Construction,Connect Pipes |
| Packing | Carton /Wooden Box /Poly Wood Box |
| Surface | black/galvanized/polish |
| Brand Name | Long welding neck flange |
| Model Number | LJ-PF456 |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | Annual output 50000 tons |
| Delivery Time | Depends on the quantity of goods | Packaging Details | Export standard packaging |
| Material | SS304 SS316L | Standard | DIN,ANSI,ASTM,GB |
| Size | Customized Size | Application | Construction,Connect Pipes |
| Packing | Carton /Wooden Box /Poly Wood Box | Surface | black/galvanized/polish |
| Brand Name | Long welding neck flange | Model Number | LJ-PF456 |
| Certification | ISO9001 | Place of Origin | China |
| High Light | A105 Stainless Steel Flanges ，ASME B16.5 Stainless Steel Flanges ，ASME B16.5 Long Welding Neck Flange | ||
Long welding neck flange has a high neck height, which improves the stiffness and bearing capacity of the flange.
Long welding neck flange, Compared with butt welding flange, the welding workload is large, the consumption of welding rod is high, and can not withstand high temperature and high pressure, repeated bending and temperature fluctuation. However, the on-site installation is more convenient, and the process of weld patting and kneading can be omitted.
Diameter: DN15 - DN
Material: SS304, SS316
Pressure:Class150-2500
Standards: ASTM / ANSI, ISO, DIN
ASME B16.5 A105 Stainless Steel Flanges Long welding neck flange technical data sheet as below:
| Nominal Pipe Size | Out side Diameter | O.D of Raised Face | Hub Diameter at Bevel | Diameter of Bore | Thickness of Flange Min. | Length Through Hub |
| D | G | E | B | t | L | |
| 1/2 | 89 | 35.1 | 30.2 | 12.7 | 11.2 | 228.6 |
| 3/4 | 99 | 42.9 | 38.1 | 19.1 | 12.7 | 228.6 |
| 1 | 108 | 50.8 | 50.8 | 25 | 11.2 | 228.6 |
| 11/4 | 117 | 63.5 | 60.5 | 31.8 | 15.7 | 228.6 |
| 11/2 | 127 | 73.2 | 66.5 | 38.1 | 17.5 | 228.6 |
| 2 | 152 | 91.9 | 82.6 | 50.8 | 19.1 | 228.6 |
| 21/2 | 178 | 104.6 | 95.3 | 63.5 | 22.4 | 228.6 |
| 3 | 191 | 127.0 | 108.0 | 76 | 23.9 | 228.6 |
| 31/2 | 216 | 139.7 | 124.0 | 88.9 | 23.9 | 228.6 |
| 4 | 229 | 157 | 139.7 | 101.6 | 23.9 | 304.8 |
| 5 | 254 | 185.7 | 165.1 | 127.0 | 23.9 | 304.8 |
| 6 | 279 | 215.9 | 196.9 | 152 | 25.4 | 304.8 |
| 8 | 343 | 269.7 | 247.7 | 203.2 | 28.4 | 304.8 |
| 10 | 406 | 323.9 | 304.8 | 254.0 | 30.2 | 304.8 |
Connection mode: flange nut, bolt connection
Manufacturing standard: Hg / t20615-2009, ASME B 16.5
Production technology: professional overall forging, forging manufacturing, etc
Processing mode: high precision CNC lathe turning, ordinary lathe finishing, etc
Long welding neck flange is widely used in petroleum, chemical industry, hydropower, pharmaceutical, metallurgy, chemical fiber, refrigeration and other industries.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2002
Total Annual:
20000000-30000000
Employee Number:
20~50
Ecer Certification：
Active Member
Xi'an Longjoy Foreign Trade Co., Ltd. was established in 2002 and located in Xi'an Land Center, mainly engaged in the import and export of various pipe and pipe fittings. Our business scope is mainly in steel and plastic products, such as Carbon steel pipe fittings, stainless steel... Xi'an Longjoy Foreign Trade Co., Ltd. was established in 2002 and located in Xi'an Land Center, mainly engaged in the import and export of various pipe and pipe fittings. Our business scope is mainly in steel and plastic products, such as Carbon steel pipe fittings, stainless steel...
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