Three Eccentric Metal Hard Pneumatic Actuator Butterfly Valve

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.

Product Details


Quick Details
Standard or Nonstandard:Standard
Structure:Butterfly
Pressure:High Pressure
Power:Hydraulic
Material:Stainless Steel
Temperature of Media:High Temperature
Media:Oil
Port Size:50~4000mm
Place of Origin:China (Mainland)
Model Number:BZCH5KL9
Brand Name:EO
Application:General
Certificate:CE


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Three eccentric metal hard pneumatic actuator butterfly valve

Quick Details

Applicable standard


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

Parts nameMaterial
BodyWCB, Stainless steel ,QT450-10,cast steel
DiscWCB, Stainless steel ,QT450-10, cast steel
Sealing ring2Cr13, Stainless steel, cast steel
StemStainless steel
PackingFlexible graphite


Main technical parameter

Nominal DiameterDN (mm)50~1 400
Nominal PressurePN MPa0.250.61.01.62.54.0
Testing Pressure (MPa)Shell structural testing0.3750.91.52.43.756.0
Seat test0.2750.661.11.762.754.4
Air testO.5~0.7MPa
Suitable working statuswater,air,oil,coal gas and so on
Suitable temperature-40°C~5 70°C



More information


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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