For carbon steel flat welding ring loose flange, stainless steel flat welding ring loose flange, flat welding ring loose flange factory flat welding ring loose tube flange FLANGE 2 ", # 150, RF, WN, 125 -250, AARH, WT = 5.54mm MATERIAL: A 694 F 52. DIMENSIONS ACC TO B 16.5. 2003 2 "" American Standard welded with a neck flange, 150 pounds, convex, tube thickness: 5.54mm Roughness: 125 -150 "Generally speaking, when one of the following three conditions with a flat welding ring loose flange: 1, cost savings. When the pipe material is special, expensive, high welding flange of the same material cost. 2, to facilitate welding or processing or strength required is not easy. Such as plastic pipe, glass pipe and the like. 3, to facilitate construction. Such as connecting flange bolt holes corresponding to facilitate alignment or prevent future replacement of equipment flange bolt holes. Flat welding ring loose flange Disadvantages: 1, low pressure. , Solder ring at low intensity (in particular, the thickness 3mm below) in addition to the production of flat welding ring loose flange, the main products have: flange, elbow, elbow, tee, cross, size head diameter pipe, head pipe to take the manhole cover snorkel, hemispherical dome, suction tube speaker, bracket tube socket, etc., can also be kind of special custom-made according to the customer to map to, our products are widely used and by the majority of customers praise and nuclear power, thermal power, wind power, hydropower, petrochemical, shipbuilding, food, pharmaceuticals, paper and printing, sewage treatment, etc.;