Inner packing: Plastic package Outer packing: Plywood case, and other packing details as customer's request
Cast-iron Double Plate Swing Check Valve Size:DN40-DN600 or 1.5"~24" inch
FEATURES & BENEFITS
Double door wafer check valves permit flow in one direction only and close automatically if flow reverses.
They are entirely automatic in action,depending upon pressure and velocity of flow to perform the functions of opening and closing.
Check Valves offer greater flexibility and low cost in most piping systems and moreover , of its light weight , it is so convenient to install and has smaller face to face dimension than conventional swing check valve .
These valves can be supplied to match the international standards of flange (DIN,ANSI,JIS & BS) .
DongSheng check valves when compared with order traditional isolating valve such as swing check valve offer the following advantages:
Low purchase cost
Non-slam principle of operation
Good flow characteristic and less pressure drop
Suitable for horizontal and vertical up flow
Heating air-conditioning pipe lines High frequency lines Fire extinguishing system Vessel pipelines Iron and steel industry Mineral, oil industry Wood working, pulp and paper industry Textile industry Water and condensate lines
Water , warm water , sea water , air and weak acid