1) Technical parameter 

So flange welded flange 

1. outer diameter :  75 mm - 2190 mm

2.  Bolt hole center circle diameter: 50 mm - 2130 mm

3. Bolt hole diameter: 11 mm - mm

4.  Bolt hole quantity: 4-48

5.  Thread: M10 - M27

6.  Flange thickness: 12 mm - 58 mm

7.  The pipe diameter: A (17. 2-2032 mm) B (14-2020 mm)

8.  Flange diameter: A (18-2036 mm) B (15-2024 mm)

9. Flange theoretical weight: 0.36 kg - 234.6 kg (DN1800)

10.  Flange pressure: 0.25 MPA to 4.0 MPA

2) Other informatin  :

1)      be made of high quqlity of steel material

2)      stand up high pressure and high tempreture

3)      having indepent product design

4)      place of origin : Hebei , China (Mainland) 

5)       Min order : 500 piece 

6)       FOB price : 1.5-5.0 usd /piece 

7)       Payment term : T/T