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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 Threaded Flange


JIS B2220 Flange Products | JIS B2220 Threaded Flange | JIS B2220 TR Flange Manufacture-Hebei Haihao Group

Haihao Group manufacture JIS B2220 flange products in high quality and the products sell well all over the world.Our products are widely used in industry field,like Oil,Gas & Petrochemical,Energy & Power plant,Chemical industrial,Shipbuilding & Offshore Development.

Our JIS B2220 flange products contain:JIS B2220 slip on plate flange,JIS B2220 slip on hubbed flange,JIS B2220 blind flange,JIS B2220 weld neck flange,JIS B2220 socket weld flange,JIS B2220 threaded flange,JIS B2220 lap joint flange,JIS B2220 integral flange.

JIS B2220 Threaded Flange

JIS B2220 Threaded Flange

The nominal size for the JIS B2220 threaded flange in our company from 10A to 150A,the pressure can be 5K,10K,16K,10K.The sealing face for JIS B2220 threaded flange have several types:raised face(RF),flat face(FF),male female face(MF-M,MF-F),tongue and groove(TG-T,TG-G).The JIS B2220 threaded flange products’ materials can be:carbon steel,stainless steel,alloy steel etc.The materials 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.

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