pph with neck flange wholesale

Our mass production pph with neck flange, good quality, no doubt. pph flange Category: flat flange (flange socket, flange), with neck flange (welded flange), grommet (flange root, flange adapter), blind (blind flange, plug board). pph tube and pipe flanges are so interconnected parts, connected to the pipe end. In the pipeline project, mainly used to connect pipe flange. Different pressures have different flange thickness, corresponding to the number of screw holes, screw holes are not the same size, the use of different bolts. pph flange, generally, the number and size of bolts 1.0MPA pressure are reference HG20539-92 standards. Pumps and valves and pipe connections at the time, these local facilities and equipment, also made of a shape corresponding to the flange, easy connection, called a flange connection. There are holes on the flange, so that the two flange bolts tightly connected. Contact: Zhu Qingfeng Mobile: 15262979228 Tel: 0511-88518518 Fax: 0511-88518591 E-mail: yygfj1688@163.com Address: Yangzhong City 8 Town red light industrial park's website: www.yygfj.com