Soft sealing gate by friction resolve technical design

First, the technical background :

Existing in the body of the valve , the valve cover and the case member are intact , only slight deformation or corrosion of the sealing surface , the valve can not be used . Fix these valves non-professional plant can not, therefore resulting in a great waste . Therefore, the use of units of hope Valve is : seat , the valve plate sealing surface is not easy deformation , corrosion , wearing sealing material can be changed . In opening and closing the valve plate not to have friction with the sealing surface or minimize friction, avoid soft sealing gate various deficiencies .

Second, the purpose of the invention :

Solve the seat and the valve plate sealing surface corrosion or deformation , the valve plate can automatically compensate and close the cover and press the soft sealing gate automatic pressure balance between the problems solved by the soft sealing material sealing surface friction and damage problems due to the valve sealing cap can be changed, greatly increased the use of valves .

Third, the practical range :

Bore φ50-φ400mm, pressure 2.5-4.0MPa, less than 200 ℃ for various liquid at room temperature

Fourth, the technical solutions :

The valves are double parallel gate valve , numbered seals inlet seals, inlet valve plate by a sealing sleeve and unloading force composed mainly sealed gate valve plate . Sealing sleeve and valve plate unloading force synchronous movement but not connected to the pipeline pressure through the valve plate unloading force , leveling arm passed to the exit side of the seat , which will greatly improve the soft sealing surface adhesion. Valve plate outside the set of a corrosion-resistant rubber seal sets. Soft sealing material in the opening and closing process , and the seat to keep a certain distance , the soft sealing material in the absence of friction without folding pressure environment. Gland in the pipeline transportation of the liquid components within the valve isolation , nylon cable tie corrosion and impurities from the liquid blocking . This valve is very easy to replace a sealing material , so the service life is generally more than 5 times the gate valve .