Types of marine flanges

Flange is widely used, especially in the construction, maintenance, replacement, maintenance and operation of ships, Marine flange plays an important role in connecting pipelines. Marine flange is used on the ship flange, flange is the pipe and pipe interconnecting parts, connected to the pipe end. Flanges are perforated and bolts can be threaded to tightly connect the two flanges.

EN 1092-1 P250GH weld neck flanges

EN 1092-1 P250GH weld neck flanges

Haihao Group supply common marine flange including :weld neck(WN) flange, slip on(SO) flange, socket weld(SW) flange, blind flange, flat flange, lap joint(LJ) flange,threaded flange,spectacle flange(Figure-8 flange),orifice flange, anchor flange, special-shaped flange.

Size: DN15 – DN1500

Wall thickness: SCH10 – SCH160


Carbon steel:

ASTM A105,A350 LF2,etc.

Stainless steel:

ASTM A182 F304,F304L,F316,F316L,F321,F347,F310,F44,F51,etc

Alloy steel:

ASTM A182 F1,F5,F9,F11,F22,F91,ASTM A694 F42,F46,F52,F56,F60,F65,F70,etc.

Standard: American standard, German standard, Japanese standard, European standard, national standard, etc

  • ANSI/ASME B16.5,B16.36,B16.47,B16.48,
  • AWWA C207,
  • API 6A/6B/6BX,
  • BS 4504,BS10
  • DIN 2527,DIN 2573,DIN 2576,DIN 2631,DIN 2632,DIN 2633,DIN 2634,DIN 2635,DIN 2566,DIN 2642,
  • EN 1092,
  • GOST 12820,GOST 12821,
  • JIS B2220,
  • SABS 1123,AS 1219 etc.

Haihao Group supplies all kinds of marine flanges of different sizes and materials for old and new customers at home and abroad all year round. If you have any questions or requirements about marine flanges, please feel free to call us or contact us in other ways so as to have good communication with us.Email:sales@haihaogroup.com