Three Eccentric Metal Hard Pneumatic Actuator Butterfly Valve
Three Eccentric Metal Hard Pneumatic Actuator Butterfly Valve;It follows Fe–base alloy or stellite Co-base hard alloy overlay for disc,seat sealing face,with anit-wearing,high temperature resistant,corrosion resistant,anti-scratching and long duration.
|Standard or Nonstandard:||Standard|
|Temperature of Media:||High Temperature|
|Place of Origin:||China (Mainland)|
Three eccentric metal hard pneumatic actuator butterfly valve
1.Design and making: JB/T 8527-97
2.Flange size: GB9113-2000
3.Structure length according to GB12221-89
4.Testing according to GB/T 13927-92
Material for main parts
|Body||WCB, Stainless steel ,QT450-10,cast steel|
|Disc||WCB, Stainless steel ,QT450-10, cast steel|
|Sealing ring||2Cr13, Stainless steel, cast steel|
Main technical parameter
|Nominal Diameter||DN (mm)||50~1 400|
|Nominal Pressure||PN MPa||0.25||0.6||1.0||1.6||2.5||4.0|
|Testing Pressure (MPa)||Shell structural testing||0.375||0.9||1.5||2.4||3.75||6.0|
|Suitable working status||water,air,oil,coal gas and so on|
|Suitable temperature||-40°C~5 70°C|
1.Operation methods:manual,gear,electric,pneumatic,please describe the method as ordered.
2.High and middle pressure flanged globe valve is applicable to various of working pipelines such as petroleum,chemical pharmacy,fertilizer,power station and city construction accessory with nominal pressure PN1.6~25Mpa and working temperature-29~550°C to shut off or connect pipeline medium.Applicable medium:water,oil product,steam,acidic service etc.
3.It complies with advanced standards at home or abroad as required,having reliable sealing ability,good performance and beautiful shape.
4.It follows Fe–base alloy or stellite Co-base hard alloy overlay for disc,seat sealing face,with anit-wearing,high temperature resistant,corrosion resistant,anti-scratching and long duration.
5.The stem has good corrosion resistant,anti-scratching and anti-wearing after material adjustment and surface nitrogenization.
6.It may use all kinds of flange fittings standards and sealing and type to meet any project need and end-user’s requirements.
7.With complete range of body material,the packing and gasket may choose the reasonable type according to actual working condition or customer’s requirement which is useful to all pressure,temperature and service condition.
8.Sealing performance is good, service life is long, flowing direction of medium not restricted.
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