... 4,Delivery time: 10days Detailed Product Description Typeflange is a type of industrial flange designed to transfer stresses to the ... pipe to reduce high stress concentrations at the base of the flange. Compared with other types, weld neck ... (O-Ring Groove)Industries ServedElectrical power, petroleum, natural gas, chemical, shipbuilding, heating, papermaking, metallurgy Delivery time10days after ...