Metall-Dichtung Absperrklappe

Metal sealing butterfly valve Hard sealing butterfly valve adopts precision of elastic sealing and three image J eccentric multi-layer metal hard seal structure, widely used in more than 400 degrees Celsius temperature of the medium of metallurgy, electricity, petroleum chemical industry, water supply and drainage and municipal construction and industrial piping, adjust flow and load flow body use Product feature 1, hard sealing butterfly valve adopts triple eccentric butterfly valve seal structure, with almost no wear plate, with the view of the tight sealing function 2, sealing ring is made of stainless steel, metal hard seal and elastic seal, whether in the dual advantages of low and high temperature, good seal performance, corrosion resistance and long service life etc Execution standarddesign specifications : GB/T 12238scantling length : GB/T 12221flange coupling: GB/T 9113Inspection and test status: GB/T 13927identification of produc:GB/T 12220 nameD343H6D343H6PD343H6RWorking pressure(MPa)1.6Applicable temperature(°C)≤425≤200Applicable mediumWater, oil or corrosive mediumNitric acid kind of mediumNitric acid kind of mediummaterialvalve body,Buttferfly boardWCBCF8/304CF3M/316Lvalve rod2Cr13304316LValve sealing surfacebuild up welding 507--Butterfly in the mating304+Expanded graphite304+PTFE304+PTFE