We offer trunnion mounted metal seats 3 pieces rf ball valve for flow control.We are a professional valve manufacturer, we provide all kinds of valves for customers, and accept customer's requirements.
We manufacture and supply the wafer type butterfly valves. The wafer version of butterfly valves was designed to hold a tight seal, safeguarding against bi-directional pressure differential in order to avoid any backflow in systems that have been manufactured for uni-directional flow.
Structure classification of the center line butterfly valve:Butterfly valve according to the structure can be divided into the center line butterfly valve and eccentric butterfly valve; Eccenatric butterfly valve is divided into two eccentric and three eccentric butterfly valve (single eccentric butterfly valve has no practical application, may be just a transition).
The centerline butterfly valve by the seal form classification:(1) forced sealing butterfly valve.1) elastic sealing butterfly valve. Seal specific pressure is produced by the elasticity of the seat, seat, or disc as the disc squeezes against the seat while the valve is closed.
Axial flow check valve products: by the valve body, the diversion body, the axial movement of the disc and spring components. The product can effectively prevent the reverse flow of pipeline media and ensure the safe operation of pipeline equipment and system.
The origin of the design of the triple eccentric butterfly valve: the butterfly valve must be resistant to high temperature, must use a hard seal, but the leakage is large; to zero leakage, it must use a soft seal, but not high temperature.
Structural features of soft sealing plug valve:A. According to the use of temperature and working medium F4, F46, PVDF, PP, PO, PE and other self-lubricating material bushing, good lubrication, in the whole process of the sealing pair of small friction coefficient, plug flexible operation, long service life.
Product Name Material Valve Body Ductile iron, plastic spraying Wedge Disc Ductile iron, overall EPDM coating Stem stainless steel Spring stainless steel