Blind flange

 

Shanxi Midas Industrial Co., Ltd is mainly one of the largest manufacture of many kinds of pipes and fittings of over forty kinds and more than three thousand specifications from DN80-DN2000 with an annual output 300000 Metric ton. The coking plant, power plant, smelter, gas station, ductile iron pipe& fittings factory are setted up in our company, every procedure will be assured finished perfect. that are widely used in drinkable water, sewage, irrigation, gas, oil pipeline, as well as food, pharmaceutical and chemical industry production process pipe network ,

 

 

 

 

 

 

1), Description

The blind flange 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.  

 

 

 

 

 

 

2), Blind flange Pressure:

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

 

b). DIN:6Bar,10Bar,16Bar,25Bar,40Bar,

 

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

 

d). JIS:5K,10K,16K,20K,30K

 

 

 

 

 

 

3), Sizes:

1/2" to 200"

 

 

 

 

 

 

4), Pressure:

150lbs to 3000lbs

 

 

 

 

 

 

 

5), Materials:

a). Stainless Steel: F304/304L, F316/316L, F316Ti, F321, 1.4301,1.4306,1.4541,1.4571,1.4462, A707, 0 Cr18Ni9, 0Cr19Ni10, 0Cr17Ni12Mo2, 0Cr18NiC0Ti, 0Cr18Ni12Mo2Ti, etc.

 

b). Carbon Steel: A105, 20Mn , 20 #, Q235, C22.8/C21, P250GH, S235JRG2, SS400, A350LF2, A350LF6, A694 F52-70 etc.

 

c). Alloy Steel: F5, F9, F11, F22, 1Cr5Mo, 15CrMo, 1.73880, 16Mo3 etc.

 

 

 

 

 

 

 

6), Applicable Standards

We can manufacture and supply flanges and forging pieces in accordance with the following standards:

 

A. GB:

GB/T9112-9113.4-2000,JB/T74-86.2-94,HG20592-20626-97,SH3406-96,GB/T17241.1-17241.7,GB/T15530.1-15530.8

 

B. ANSI:

ANSI B16.5/API605, 6A, 6B/MSS SP44/AWWA C207

 

C. DIN: DIN2527/2528/2561/2565/2566/2573/2576/2627-2630/2641/2642/2655/ 2656/2673/86029/86030

 

D. BS:

BS 4504 PN16, PN25, PN40/BS10 TABLE E / TABLE D

 

E. JIS:

JIS / KS 5K, 10K, 16K, 20K, 30K

 

F. UNI:

UNI2253/2254/2276-2278/2281-2284/6083/6084/6089-6093

 

G. Forging Pieces:

JB755-85/JB4726-4728-94

 

H. Non-standard Products:

 

 

 

 

 

 

 

7), Kinds of forging:
a) Free forging

 

b) Die forging

 

c) Rolling

 

 

 

 

 

 

 

 

 

 

8), Rustproof treatment:
a) Lightly oiled

 

b) Galvanized

 

c) Painting with different colors

 

d) Just keep the flanges dry and clean as per customers' requirement