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Professional development, design, production and sales of ASME-BPE, high-end
Pipe fittings, valves, aseptic diaphragm valves, aseptic tank bottom valves and other high-end products
Products
Professional development, design, production and sales of ASME-BPE, high-end
Pipe fittings, valves, aseptic diaphragm valves, aseptic tank bottom valves and other high-end products
Products
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Manual 3pcs welded butterfly valve

The series of sanitary butterfly valve is pneumatically or manually operated,widely used in food,

beverage,brewing,dairy and biological engineering industries,with an  intended purpose of controlling

and regulating medium flow in pipelines.

Working principle

The valve can be manually operated via a handle,or remotely controlled by an electric or pneumatic actuator.


The electric or pneumatic actuator converts the axial movement of piston to the rotation of shaft.So that the 

valve can be open or close and thus control the pipeline system.There are three types of actuator:normally open

(NO),normally closed(NC),ais/air(A/A).


Via a multi-position duckbill handle,the valve can be lockable in 12 positions by 15°,achieving the purpose of medium 

flow controlling.


Alternatively ,to control the medium flow,one can also use a pulling handle which is able to lock the valve through four

multi-function positions.



Technical Parameter


SIZE D*L C
DN NPS DIN11850-1 ISO2037/ISO1127 BS4825  3A/ASME-BPE GB/T12459
DN10 0.5" 13*100 12.7*100 12.7*100 12.7*100 151
DN15 0.75" 19*100 19.05*100 19.05*100 18*100 151
DN20 / 23*100 21.3*100 / 25*100 151
DN25 1.0" 29*100 25.4*100 25.4*100 32*100 151
DN32 1.25" 35*100 31.8*100 / 38*100 151
DN40 1.5" 41*100 38.1*100 38.1*100 45*100 151
DN50 2" 53*102 50.8*102 50.8*102 57*102 151
DN65 2.5" 70*106 63.5*106 63.5*106 76*106 151
DN80 3" 85*108 76.2*108 76.2*108 89*108 183
/ 3.5" / 88.9*90 / / 183
DN100 4" 104*114 101.6*114 101.6*114 108*114 183
/ 4.5" / 114.3*114 / / 183
DN125 5" 129*120 127*120 / 133*120 208
/ 5.5" / 139.7*120 / / 208
DN150 6" 154*120 168.3*120 152.4*120 159*120 208
DN200 8" 204*120 219*120 203.2*120 219*120 300
DN250 10" 254*180 273*180 254*180 273*180 380
DN300 12" / 323.9*180 304.8*180 325*180 380
DN400 16" / 406.4*200 / / 460
/ DN NPS NPS DN /

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