Product Range

Welding neck flanges , Slip-on flanges , Threaded flanges , Lap joint flanges , Socket welding flanges , Blind flanges , Plate flanges , Orifice flanges , Long welding neck flanges , Figure 8 Blind flanges , Wind power flanges , Forged rings

other flanges according to the drawings.

other forgings according to the drawings.

Manufacturing Standard

1) EN/DIN Standard PL WN LJ SO THR BL

2) JIS 5K-64K BL,SOP,SOH(A.B.C.),LJ,WN

3) ASME B16.5 SO SW WN BL LJ THR.

4) ASME B16.47 Series A WN BL

5) ASME B16.47 Series B WN BL

6) MSS SP44 WN BL

7) API 605 WN BL

8) AWWA C207 SO BL

9) BS3293 SO WN

10) BS4504 SEC 3.1/1989;BS10/1969

11) UNI Standard PL WN LJ SO THR BL

RE:Oiled,Painted,Electrical and Hot Dipped Galvanized are as per your choice.

Flange Marking

SW flanges,where the size and design permit,are marked with the following identification data:

Logo(TUV) , Standard , Pressure class , Nominal size , Type and face , Special requirements , Material , Heat code , Inspection mark(TUV)

Material Grades

Japanese Material Standard:SS400,S20C,S25C,SF390A,SF440A,SFVC2A,SUSF304, SUSF304L, SUSF316, SUSF316L, SUSF321, SUS403

Europe and Americal Material Standard:F304/1.4301 , F304L/1.4307 , F316/1.4401 , F316L/1.4404 , F321/1.4541 , F316Ti/1.4571 , F304H , F316H , F5 , F9 , F11 , F12 , F22 , F91 , F51 , F53 , A105 , A350LF1/LF2 , S235JR , S275JR , S355JR , P250GH , P280GH , 16M03 , 13CrMo4-5 , A-266 , St.37-2 , C22.8 , TSTE355

Heat Treatment

Normalizing,Annealing,Quechning+Tempering

Sealing(Contact) Surface

Flat face,Raised face,Male and Female face,Tongue and Groove,Ring joint face

Class

European system:PN0.25MPa, PN0.6MPa, PN1.0MPa, PN1.6MPa, PN2.5MPa, PN4.0MPa, PN6.3MPa, PN10.0MPa, PN16.0MPa,

American system:PN2.0MPa, PN5.0MPa, PN11.0MPa, PN15.0MPa, PN26.0MPa, PN42.0MPa/Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500, Class 2500

Size

DN15-DN2000，NPS 1/2-NPS80