Pneumatic Wafer EPDM Rubber Seated Butterfly Valve, 0.6 Mpa 1.0 Mpa 1.6 Mpa
The pneumatic wafer soft seated butterfly valve is composed of a rubber sealing butterfly valve and a carbon steel or stainless steel valve plate and a valve stem. This pneumatic wafer butterfly valve is 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. The pneumatic wafer soft seal butterfly valve is 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 | Materials | |||
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 EPDM Rubber 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 EPDM Rubber 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 |
Accessories for Pneumatic Water Butterfly Valve When Ordering:Remarks: According to different valve torque, different air source pressure, different actual working conditions, the external dimensions of the pneumatic water soft seated butterfly valve will change accordingly.
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. |
Shinjo Company is a high tech enterprise specialized in producing various industrial valves. Shinjo strive on providing full package of industrial valve solution to client, focus on industrial valve manufacture, development, sales and services.
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