Product Overview 
 (1) The body and bonnet connection form: PN10-64 bolted bonnet; PN64-320 from the pressure seal valve cover. 
 Stem nut: Under normal circumstances, stem nut material ASTM A439 D2, copper alloys and other materials, at the same time according to user requirements, the large diameter of the cut-off valve, installed rolling bearing can effectively reduce the cut-off valve open torque valve can easily switch. 
 Stem design: a whole forging process made in accordance with the standard requirements to determine the minimum diameter. 
 The valve cover gasket in the form: PN10-64 cut-off valve made of stainless steel to graphite spiral wound gasket; PN100 available stainless steel globe valve graphite spiral wound gaskets can be applied to the metal ring gasket; PN160 globe valve can be used metal ring gasket, PN320 globe valve The pressure self-sealing metal ring. 
 5 cut-off valve structural features: Bolted bonnet, out lever bracket and lift the stem metal cover. 
 6. Sealing seat design: Our company provides all the cut-off valve has inverted seal design Typically, carbon steel globe valve seat design with separate inverted sealing structure, down to seal the surface of stainless steel cut-off valve is very reliable. In accordance with the standards with API 600 seal down, but not as the basis to replace the packing case with pressure. 

 Linyi Industry Valve Manufacturing Co., Ltd., on free :400-6999-972, the Chengzhao some cities vacancies agents