The solid nozzle screws into the body, its maintenance is easy.
The shape of the disc holder has been designed to enchance the effect of the fluid thrust for an instant lift of the disc.
Blowdown control is provided with adjustable nozzle ring only.
The adequate materials and clearance between disc holder and guide, spindle and adjusting screw assures disc to lift succesfully.
The surface of both the disc and the nozzle seat is deposited with Stellite. Excellent flatness and surface finish of the seating surfaces by precision machining and lapping assure safety valve to have high degree of seat tightness and long using life.
The bellows of balanced bellows safety valves not only can avoid and effect of variable back pressure in the system, but also can protect spring and other trim components from corrosive media.
The choice of materials is careful. The manufacture of the spring and the bellows has strict technological process. Each of them is tested and checked strictly.
Method of compiling the types API series safety valve
Material for parts
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PT Greentech Global Engineering
PT GGE was founded in 2014 aiming to be a well-focused EPC Company. Our mission is simple, is to fulfill increased industries requests for flue gas cleaning technologies such as Dust Collectors (ESP-Electrostatic Precipitor, Bag Pulse Dust Collector) and Flue Gas Desulphurization.
We also focused on Boiler spare parts and Valves