1.Welding neck Flange:
The flange named welding neck flange Manufacture High quality 2500 class Carbon steel and ASME Standard a105 welding neck flange.
2.welding neck flange specification:
450 mm outer diameter  API 5l x60 lpg / lng pipeline system
welding neck flange used for connect the carbon steel pipes,the details sizing is 450mm*class 2500.stand ard and Material is
api 5l x60 carbon steel.
3. Certification: API 5L,CE,ISO9001, SGS

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