JIS B2220 blind flange is round plate which has all of the relevant boltholes but no center hole,and because of this feature it is used to close off the ends of a piping systems and pressure vessel openings.The JIS B2220 blind flange also permits easy access to the interior of a line or vessel once it has been sealed and must be reopened.JIS B2220 blind flanges are commonly used in petrochemical,pipe engineering,public services and water works.
In Hebei Haihao,we manufacture blind flange according to standards:JIS B2220,ANSI/ASME B16.5,ANSI/ASME B16.47,EN 1092-1,BS 4504,DIN 2527,UNI 6091,UNI 6092,UNI 6093,UNI 6094,UNI 6095,etc.
In addition to JIS B2220 blind flange,JIS B2220 flanges also include products are:JIS B2220 slip on plate flange,JIS B2220 slip on hub flange,JIS B2220 weld neck flange.
JIS B2220 Blind Flange Pressure:
We produce the JIS B2220 blind flange under the pressure of 5K,10K,16K,20K,30K,40K.
JIS B2220 Blind Flange Size:
Commonly,the JIS B2220 blind flange size is 1/2”-80”.
JIS B2220 Blind Flange Sealing Face:
We produce the JIS B2220 blind flange sealing face include:FF(Flat Face),RTJ(Ring Type Joint).
JIS B2220 Blind Flange Material:
We mainly manufacture the JIS B2220 flange of main material are:
Carbon steel:ASTM A105, A181, ASTM A516 GR.60, GR.70, ASTM A694 F42, F46, F52, F56, F60, F65, F70, ST37, ST45.8, C22.8, S235, S235JRG2, P235GH, P245GH, P250GH, P265GH, P355GH, S355J2, 16MN, 20MN, Q235, 20#, CT20, SS400.
Stainless steel:ASTM A182 F304, F304L, F316, F316L, F321, F321H, F304H, F316H, F347H, 1.4301, 1.4306, 1.4401, 1.4404, 1.4541, 1.4571, SUS304, SUS316.
Alloy Steel:ASTM A350 LF2, CL1/CL2, ASTM A182 F5, F9, F11, F12, F22, F91.
Duplex Steel:S31803 / F51 / S32205 / F60 / 1.4462
Super Duplex:S32750 / F53 / 1.4410 / S32760 / F55 / 1.4501
Our group,Hebei Haihao group as a first class manufacturer of JIS B2220 flange.We have a complete set of equipment including advanced cutting,forging,machining,drilling machines and professional testing and inspection instruments.Welcome to contact us when you have any need about all kinds of JIS B2220 blind flange.