Zhengfeng vlave is a professional High pressure butterfly valve factory.Our main product LUG style butterfly valve is one kind of component used to realize on-off and flow control of pipeline system, which has been widely used in many fields such as petroleum, metallurgy, hydropower, etc.
In order to improve the ability of anti erosion and wear of ultra-high pressure valves, anti erosion materials are usually selected.For materials used in high pressure valves, heat treatment and surface hardening are usually used to improve their extrusion and erosion resistance.
* Valve Diameter: 2‘’~64‘’,DN50~DN1800
* Valve Pressure: 150LB~600LB,PN6~PN100
* Connection type:Flange、Wafer、LUG、Butt weld
* Main Material: Cast steel、Stainless steel、Duplex steel、Monel、etc..
* Operator way: Lever o.p、Gearbox、Electric actuator、Pneumatic actuator...
* Design features: Composite materials adhered by multilayer-metal and Graphite
* Design standard:API 609 、 EN593 、 GOST12815、JB8527、JIS B2002
【ZFV Seat Features】
If the system requires a higher temperature, We zhengfeng valves has two types metal seated , the one is sealing seat graphite and graphite laminated, the other one is metal to metal sealing.
The high temperature butterfly valve body with lined disc and seat is made of duplex stainless steel or other alloy steel which suitable for high temperature, the sealing surface overlay wear resistanced material, and the shaft is made of heat-resistant stainless steel. High temperature butterfly valve has good performance of high strength, wear resistance and corrosion resistance.