Нискотемпературен SW плаващ сферичен кран от неръждаема стомана SS304

Stainless Steel SS304 Low Temperature SW Floating Ball Valve;Use extended stem design to protect the function of the stuffing box. The packing is located far away from the low temperature to ensure the sealing effect of the packing. At the same time, the cold insulation material can be wrapped to prevent the loss of cold energy.