Hebei HaiRuiMai Group as one of the earliest flange manufacturer,has strong experience in flange production and quality inspection and a complete set of equipments,including advanced cutting,forging,machining,drilling machines and professional test inspection instruments.The flange products in our company contain weld neck flange,slip on flange,threaded flange,blind flange,socket weld flange,plate flange,lap joint flange,integral flange(long weld neck flange),spectacle blind flange,orifice flange and so on.We supply the products according to flange standard ANSI,ASME,BS,DIN,EN,ISO,JIS,GOST,MSS,UNI,SP etc.We also can manufacture the products as per client’s requirements.
There are two types of JIS B2220 slip on flange products,which can distinguish from the products’ neck.The JIS B2220 slip on plate flange(JIS B2220 SOP Flange) just looks like the plate flange,the JIS B2220 slip on hubbed flange(JIS B2220 SOH flange) have a neck.
There are the JIS B2220 10K slip on flange(JIS B2220 10K slip on plate flange and JIS B2220 10K slip on hubbed flange) dimensions as follows:
Nominal size: A Outside diameter of flange: D Diameter of bolt hole centre circle: C Diameter of bolt hole: h
Inside diameter(Outside diameter of flange): d0Thickness of flange: t Diameter of hub Small diameter side: a
Diameter of hub Large diameter side: b Total length of flange: T Radius of fillet: r
After more than 30 years development,Hebei HaiRuiMai Group obtained the recognition from the clients and end users of domestic markets and all over the world.We have world-famous clients,such as Exxon Mobil,Shell,CNPC,SINOPEC,Unilever,Chevron,Pemex,Petrobras,Hyandai etc.Our products are widely used in industry field,like Oil,Gas & Petrochemical,Energy & Power plant,Chemical industrial,Shipbuilding & Offshore Development.