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Hebei haihao high pressure flange & pipe fitting group was established in 1982, located in Mengcun County the hometown of pipe fittings in China.

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JIS B2220 Blind Flange | BL Flange Manufacturer

JIS B2220 flange | JIS B2220 blind flange |JIS B2220 flange products manufacturer-Hebei Haihao Group

Hebei Haihao Group manufacture pipe fittings and flanges products according to standard ANSI/ASME B16.9,BS 4504,DIN,EN 1092,JIS B2220,GOST etc.Our products are widely used in industry field,like Oil,Gas & Petrochemical,Energy & Power plant,Chemical industrial,Shipbuilding & Offshore Development.(The introduce about JIS B2220 flange products)

We manufacture JIS B2220 flange products in high quality,which contain:JIS B2220 slip on plate flange,JIS B2220 slip on hubbed flange,JIS B2220 blind flange,JIS B2220 weld neck flange,JIS B2220 slip on flange,JIS B2220 threaded flange,JIS B2220 socket weld flange,JIS B2220 integral flange.

JIS B2220 Blind Flange In Haihao Group

JIS B2220 Blind Flange In Haihao Group

The materials for JIS B2220 blind flange in our company can be carbon steel,stainless steel,alloy steel etc,as follows:

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,S2235,S235JRG2,P235GH,P245GH,P250GH,P265GH,P355GH,S355J2,16Mn,20Mn,Q235,20#,CT20,SS400 etc.

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 etc.

Alloy steel: ASTM A350 LF2,CL1/CL2,ASTM A182 F5,F9,F11,F12,F22,F91 etc.

The JIS B2220 blind flange pressure in this standard can be 5K,10K,16K,20K,30K,in the different pressure the nominal size for the JIS B2220 blind flange is different,as follows:

Pressure for JIS B2220 blind flange Nominal size for JIS B2220 blind flange
5K 10A-1500A
10K 10A-1500A
16K 10A-600A
20K 10A-600A
30K 10A-400A

Hebei Haihao Group has strong experience in flange production and quality inspection and a complete set of equipments,including advanced cutting,forging,machining,drilling machines and professional testing & inspection instruments.

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