1.  Blind flange/BL flange/flange manufacurer, We are a supplier of SIEMENS,that's the best proof of our product and service quality.

2.  The blind flnage  is a flange without a bore, it is used to close off the ends of a piping system and/or a pressure vessel opening, It also permits easy access to the interior of a line or vessel once it has been sealed and must be reopened.  

3.Win-Win cooperation is our aim of operation, we desire cooperation not just business only.

4.Forging technics ensure our flange can bear high pressure and more durability

5. Flange Material:  

Carbon steel:A105,A36,Rst37.2,St37.2,C22.8,SA350,LF2/LF1,Q235,Q345,SS400,

Stainless-steel:304,304L,316,F321,F347,F310F44F51,A276,S31803,A182,F43,A276,S32750,A705,631, A961,A484,

Alloy steel,SF45,S235GRJ2,ASTM A694,F42,F46,F52,F56,F60,F65,F70,A182,F12,F11,F22,F5,F1ECT

6.Warranty:18 months

7.Blind flange Pressure:

ASTM B16.5:150LBS,300LBS,400LBS,600LBS,900LBS,1500LBS,2500LBS

DIN:6Bar,10Bar,16Bar,25Bar,40Bar,

BS4504,PN2.5-PN440,BS10:Table D,E,F,H,

JIS:5K,10K,16K,20K,30K

8:Flange spec as follow:

9.Stern produce Process and and complete control system ensure our SO slip-on flange quality,that's life of our enterprise.

10.Our flange components pass the certification as follow:

11.Sincerely welcome contact us for further conversation on lap joint flange/LP flange/flange

12.Non Standard Flange: According to the drawing size/charting from 10mm to 5000mm,weight from 0.5 kg to 30 tons.