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Pneumatic Butterfly Valve

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EPDM Rubber Pneumatic Wafer Soft Seated Butterfly Valve

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Pneumatic Butterfly Valve

Product name: pneumatic water butterfly valve;
Nominal diameter: DN50~DN800;
连接类型:晶片;
Actuator type: double acting, single acting (spring return);
Nominal pressure: PN6,PN10,PN16 (please specify if you need higher pressure);
Body material:ductile iron,cast steel/WCB/carbon steel,stainless steel,etc;
Sealing material of pneumatic wafer soft seated butterfly valve: EPDM,NBR,PTFE,etc;

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  • Specifications

EPDM Rubber Pneumatic Wafer Soft Seated Butterfly Valve

Thepneumatic wafer soft seated butterfly valveis composed of a rubber sealing butterfly valve and a carbon steel or stainless steel valve plate and a valve stem. Thispneumatic wafer butterfly valveis suitable for regulating the flow rate and intercepting medium on the water supply & drainage and gas pipelines such as food,medicine,chemical, petroleum,electric power,textile,papermaking,etc. Thepneumatic wafer soft seal butterfly valveis suitable for temperature≤150°C.

The Parameters of Pneumatic Wafer Butterfly Valve:

Nominal Diameter DN(mm) 50~800
Nominal pressure PN(MPa) 0.6 1 1.6
Test Pressure Strength Test 0.9 1.5 2.4
Seal Test 0.66 1.1 1.76
Air Tightness Test 0.6 0.6 0.6
Applicable Medium Air, water, sewage, steam, gas, oil, etc.
Operation Type pneumatic piston actuation
Parts Name 材料s
Body Ductile iron, cast steel, alloy steel, stainless steel
Disc Cast steel, stainless steel and special materials
Seal Ring various rubber(such as EPDM,NBR,CR,etc),PTFE
Stem 2Cr13,stainless steel
Packing O-ring, flexible graphite

Sealing Material and Application Temperature of Pneumatic Wafer Soft Seated Butterfly Valve:

Sealing Material Neoprene Nitrile Butadiene Rubber Ethylene propylene rubber Polytetrafluoroethylene Fluororubber
Abbreviation CR NBR EPDM PTFE VITON
Max Temperature 82℃ 93℃ 150℃ 232℃ 204℃
Min Tempeature -40℃ -40℃ -40℃ -268℃ -23℃
Applicable working temperature 0~+80℃ -20~+82℃ -40~+125℃ -30~+150℃ -23~+150℃

The Dimensions of Pneumatic Wafer Soft Seated Butterfly Valve:

Nominal Diameter Structure Length Dimensions 0.6MPa 1.0 MPa 1.6 MPa
DN Inch L H H1 A D1 n-d D1 n-d D1 n-d
50 2 43 63 315 180 110 4-14 125 4-18 125 4-18
65 2 1/2 46 70 330 180 130 4-14 146 4-18 145 4-18
80 3 46 83 390 245 150 4-18 160 8-18 160 8-18
100 4 52 105 431 240 170 4-18 180 8-18 180 8-18
125 5 56 115 455 240 200 8-18 210 8-18 210 8-18
150 6 56 137 626 350 225 8-18 240 8-22 240 8-22
200 8 60 164 720 350 280 8-18 295 8-22 295 12-22
250 10 68 206 800 550 335 12-18 350 12-22 355 12-26
300 12 78 230 860 600 395 12-22 400 12-22 410 12-26
350 14 78 248 883 600 445 12-22 460 16-22 470 16-26
400 16 102 289 972 600 495 16-22 515 16-26 525 16-30
450 18 114 320 1043 750 550 16-22 565 20-26 585 20-30
500 20 127 343 1098 750 600 20-22 620 20-26 650 20-33
600 24 154 413 1236 750 705 20-26 725 20-30 770 20-36
700 28 165 478 1431 750 810 24-26 840 24-30 840 24-36
800 32 190 525 1488 750 920 24-30 950 24-33 950 24-39

Remarks:According to different valve torque, different air source pressure, different actual working conditions, the external dimensions of thepneumatic water soft seated butterfly valvewill change accordingly.

Accessories for Pneumatic Water Butterfly Valve When Ordering:

Solenoid valve 5/2-way solenoid valve,3/2-way solenoid valve
Air filter pressure reducing valve Regulate and filter the air supply
Limit switch Remote feedback switch signal
Handwheel Manual opening and closing valve
Positioner Input analog signal (4-20mA or 0-10V) to adjust valve opening
Remarks Solenoid valves and limit switches are divided into explosion-proof and non-explosion-proof.And Explosion-proof grades are required for explosion protection.

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