product presentation ： Flange also called flange or flange.A part that interconnects a pipe to a pipe, connected to a pipe end.There are holes in the flange and the bolts fasten the two flanges together.Gasket between flanges.Flange is a kind of disk, in the pipeline engineering most common, flanges are used in pairs.In piping engineering, flanges are mainly used for piping connections.Install one flange at each end of the two pipes. The low-pressure pipes can be connected with wire flange. Welding flange is used for the pressure of more than 4kg.Place a gasket between the two flanges and bolt them down. Flanges of different pressure have different thickness and use different bolts. Pumps and valves, when connected to the pipe, the parts of these equipment are also made into the corresponding flange shape, also known as the flange connection. General in two planes at the periphery of the use of bolts and closed connection parts, are generally called "flange", such as the ventilation pipe connection, this kind of parts can be called "flange part". Threaded flange is a kind of flange.The threaded flange connection structure is an assembly, which is composed of a pair of flanges, several bolts, nuts and a gasket. Product Introduction: 1/2"--30" threaded flange Chinese standards: HG5051 ~ 5028-58, HG20592 ~ 20605-97, 20615 ~ 20326-97 HGJ44 ~ 68-91, SH3406-92, SH3406-96 Shj406-89, SHT501-97, SYJS3-1-1 ~ 5 JB81 ~ 86-59, JB/T81 ~ 86-94, JB577-64 Jb577-79, JB585-64, JB585-79 JB1157 ~ 1164-82, JB2208-80, JB4700 ~ 4707-92 Jb4721-92, DG0500 ~ 0528, 0612 ~ 0616 GD0500 ~ 0528, GB9112 ~ 9125-88, GB/T13402-92
company introduction： Hebei Mingda International Trading Company is a trading company which is specialized in castings,forgings and machinery parts. Our products include all kinds of raw castings to be made of ductile iron , grey iron , brass , stainlesssteel and aluminums, machined castings and forged parts . To make these parts according to thecustomers' drawings , we have relative suitable production craft and equipments, such as resin sand ,sand mould , hot core boxes , lost-wax , lost foam and so on . Specially for hydrant bodies and valves' bodies, we have collected rich experience for these products inthe past 16 year's actual production, Now we are proud of our products with good surface and highquality material. Whatever,we have been trying our best to provide our customers with better quality castings by improving production crafts and more careful quality control. Looking Forward To Receiving Your Kind Favorable Reply At Your Earliest!