Pneumatic Actuated PTFE Wafer Butterfly Valve, Size DN50mm-DN800mm
Pneumatic ptfe sitting down butterfly control valve is a type of middle-line type butterfly valve with higher corrosion resistance and good sealing. This ptfe seat butterfly valve is wafer structure and it is sealing materials are PTFE. Pneumatic PTFE sitting down butterfly valve is appropriate for working conditions with temperature ≤150 °C, weak corrosiveness or cleanliness needed. It controls the flow rate and intercepting medium within the water supply and drainage and gas pipelines from the food, medicine, chemical, oil, electrical power and paper industries.
Technical Parameters of Pneumatic PTFE Seated Wafer Butterfly Control Valve:
Nominal diameter: DN50~DN800;
Nominal pressure: PN10, PN16, PN25;
Connection method: wafer type;
Action range: 0~90°;
Sealing form: PTFE seal;
Working temperature: -20 ° C ~ +150 ° C;
Operation type: air source drive(can be equipped with handwheel;
Air supply pressure: 4~8bar (double acting),5~8bar (single acting);
Mode of action: single-acting actuator, double-acting actuator;
No. | Parts Name | Material |
1 | Valve Seat | PTFE |
2 | Round Pin | 1045 steel,stainless steel |
3 | Disc | ductile iron,carbon steel,stainless steel |
4 | Body | grey cast iron,carbon steel,stainless steel |
5 | Bolt | 1035 steel,carbon steel,stainless steel |
6 | Stem | 1045 steel,stainless steel |
7 | key | 1045 steel,stainless steel |
8 | Bushing | copper-based powder metallurgy |
9 | Packing | o-ring,flexible graphite |
10 | Actuator | pneumatic piston type |
11 | Position Indicator | plastic |
Accessories for PTFE Seated Butterfly Control 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.
The Dimensions of Pneumatic Actuated PTFE Wafer Butterfly Valve, Size DN50mm-DN800mm:
DN | L | L1 | L2 | ~H | H1 | D | D1 | n-Φd |
50 | 42 | 141/159 | 71/83 | 269/281 | 68 | 52.9 | 120 | 4-23 |
65 | 44.7 | 159/211 | 83/95 | 283/303 | 75 | 64.5 | 136.2 | 4-26.5 |
80 | 45.2 | 159/248 | 83/107 | 289/309 | 93 | 78.8 | 160 | 8-18 |
100 | 52.1 | 211/269 | 95/123 | 320/338 | 104 | 10.4 | 185 | 4-24.5 |
125 | 54.4 | 248/269 | 107/123 | 351/366 | 118 | 123.3 | 215 | 4-23 |
150 | 55.8 | 269/345 | 123/152 | 380/405 | 133 | 155.6 | 238 | 4-25 |
200 | 60.6 | 345/409 | 152/172 | 435/477 | 165 | 202.5 | 295 | 4-25 |
250 | 65.6 | 409/438 | 172/187 | 509/552 | 197 | 250.5 | 357 | 4-29 |
300 | 76.5 | 438/550 | 187/215 | 597/622 | 224 | 301.6 | 407 | 4-29 |
350 | 76.5 | 550/600 | 215/240 | 653/688 | 267 | 333.3 | 467 | 4-30 |
400 | 86.5 | 550/633 | 215/262 | 720/787 | 309 | 389.6 | 515 | 4-30 |
450 | 105.6 | 600/633 | 240/262 | 772/858 | 328 | 440.51 | 565 | 4-30 |
500 | 131.8 | 633/730 | 262/330 | 867/1104 | 361 | 491.5 | 620 | 4-33 |
600 | 152 | 730/1700 | 330/ | 998/1220 | 459 | 592.5 | 725 | 4-36 |
700 | 163 | 1320/197 | / | 1116/1282 | 520 | 695 | 840 | 4-36 |
800 | 188 | 1430/2700 | / | 1330/1007 | 591 | 794.7 | 950 | 4-39 |
The Features of PPneumatic Actuated PTFE Wafer Butterfly Valve:
1. Small and light, easy to disassemble and repair, and can be installed at any position;
2. The structure is simple and compact, and the 90 °C rotary opening and closing is rapid;
3. The operating torque is small, labor-saving and light;
4. The butterfly disc adopts a frame structure and it has high strength, large flow area and small flow resistance;
5. The sealing PTFE material is resistant to aging, corrosion and has long service life;
6. The seal parts can be replaced, the sealing performance is reliable, and the two-way seal has zero leakage.
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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