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Aluminum Pneumatic Clamp 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.
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  • D01.1B

Work Principle:

The valve can be manually operated via pneumatic actuator.

The 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 closed(NC),air/air(A/A).


Standard Design:

Valves with different standards can be provided to clients:DIN,3A,SMS,ISO/IDF,BS/RJT,ASME/BPE etc.

The parts of valve usually include:two-piece body,disc,shaft,shaft sleeve and gasket,and the valve is assembled together with bolts and nuts.3-piece butterfly valve also consists of two flanges and two seals apart from the above parts.

There are three types of actuators:1.stainless steel pneumatic actuator ;2.aluminum pneumatic actuator;3.electric actuator.

The actuator is fixed on the valve by a bracket and bolts.

1696836945(1)

No Name Material
1 Valve body SS/HC/Ti
2 Sealing ring FKM/PTFE/VMQ/EPDM
3 Dish plate SS/HC/Ti
4 Hanger 304
5 Pneumatic Head AL
6 Nut 304
7 Coupling 304
8 Hexagon Screw 304
9 Bush PA


1696838898

Size D*K*L H C A SIZE
DN NPS DIN11850-1 ISO 2851/ISO    1127  BS4825 3A/ASME-BPE GB/T12459
DN10 0.5" 13*34*66 12.7*25*66 12.7*25*66 12*25*66 67.7 70 151 50S
DN15 0.75" 19*34*66 19.05*25*66 19.05*25*66 18*50.5*66 67.7 70 151
DN20 / 23*34*66 21.3*50.5*66 / 25*50.5*66 67.7 70 151
DN25 1.0" 29*50.5*66 25.4*50.5*66 25.4*50.5*66 32*50.5*66 67.7 70 151
DN32 1.25" 35*50.5*66 31.8*50.5*66 / 38*50.5*70 67.7 70 151
DN40 1.5" 41*50.5*70 38.1*50.5*70 38.1*50.5*70 45*64*76 73.7 70 151
DN50 2" 53*64*76 50.8*64*76 50.8*64*76 57*77.5*80 77.6 89 168 65S
DN65 2.5" 70*91*80 63.5*77.5*80 63.5*77.5*80 76*91*84 81.5 100 182 75S
DN80 3" 85*106*90 76.2*91*84 76.2*91*84 89*106*90 90.3 100 182
/ 3.5" / 88.9*106*90 / / 108.2 113 210 85S
DN100 4" 104*119*104 101.6*119*104 101.6*119*104 108*119*104 113.5 113 210
/ 4.5" / 114.3*130*104 / / 113.5 113 210
DN125 5" 129*155*90 127*145*90 / 133*145*112 136 123 261.8 95S
/ 5.5" / 139.7*155*90 / / 136 123 261.8
DN150 6" 154*183*110 168.3*183*110 152.4*166.8*110 159*183*110 146.8 123 261.8
DN200 8" 204*233.5*120 219*233.5*120 203.2*217.7*120 219*233.5*120 195 159 320 125S
DMN250 10" 254*268*120 273*287*120 254*268*120 273*305*120 218 178 391 140S
DN300 12" / 323.9*338*120 304.8*319.3*120 325*338*120 254 178 391 140S11
DN400 16" / 406.4*430*120 / / 314 200 449 160S
/ / DN NPS NPS DN NPS / / /


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Nuomeng, insisting on the goal of winning recognition from clients all over the world, takes pride in our capability of producing spare parts for manufacturing, pharmaceutical, chemical and bioengineering industries.

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