Shanghai NKJ41Y shutoff valve manufacturer and supplier of imports

Structural features 1, selected materials, in line with domestic and foreign standards, reasonable structure, beautiful shape. 2, the valve seat sealing surface using iron-based alloy or Stellite (Stellite) cobalt-based alloy cladding made of wear-resistant, high temperature, corrosion, anti-abrasion performance, long life . 3, stem quenched and the nitrogen treatment, with good corrosion resistance and scratch resistance. 4, can be a variety of standard pipe flanges and flange sealing surface types to meet various project needs and user requirements. 5, the full range of body materials, packing, gaskets, according to the actual working conditions or user requirements reasonable matching can be applied to all kinds of pressure, temperature and medium conditions. 6, inverted sealed with screw connection seal seat or body made of austenitic stainless steel welding, reliable sealing, replace the packing can be carried out without stopping the machine, convenient, does not affect system operation.