Product overview
The pneumatic soft-seal butterfly valve is composed of a pneumatic actuator and a center-line seal butterfly valve. The soft-seal butterfly valve is divided into two structures: wafer type and flange type.
Specifications
|
Nominal diameter |
DN50-DN800 mm |
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|
Nominal pressure |
0.6 MPa |
1.0 MPa |
1.6 MPa |
|
Sealing test |
0.66 MPa |
1.1 MPa |
1.76 MPa |
|
Strength test |
0.9 MPa |
1.5 MPa |
2.4 MPa |
|
Proper temperature |
Nitrile rubber: -30℃~80℃ |
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Applicable media |
Water, air, natural gas, oil and weakly corrosive fluids |
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|
Leakage rate |
Conforms to GB/T13927-92 standard |
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|
Drive mode |
Pneumatic |
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Configuring actuator |
GT, AT, AW series of single and double acting pneumatic butterfly valve actuators |
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Control method |
Switch two-position control, 4-20mA analog signal control |
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Part name |
Material |
|
Valve body |
Ductile steel+NBR, cast steel+NBR, stainless steel+NBR |
|
Butterfly plate |
Gray cast iron, ductile iron, cast steel, stainless steel and special materials |
|
Valve stem |
2Cr13, stainless steel |
|
Filter |
O ring, flexible graphite |
|
Actuator |
GT, AT, AW series of single and double acting pneumatic butterfly valve actuators |
|
Air supply pressure |
0.4 to 0.7 MPa |
|
Air source interface |
G1/4”, G1/8”, G3/8”, G1/2” |
|
Ambient temperature |
-30 to +70 ℃ |
|
Action form |
Single-acting, double-acting |
|
Available accessories |
Positioner, solenoid valve, air filter pressure reducer, position-holding valve, travel switch, valve position transmitter, handwheel mechanism, etc. |
Overall dimensions
You can check sizes of these two models of wafer and flange type of stainless steel pneumatic butterfly valves and confirm that which size is suitable for you.
|
Nominal diameter (DN) |
Main dimension (mm) |
Flange size (mm) |
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|
L flange |
L1 wafer |
H |
H1 |
A |
1.0 MPa |
1.6 MPa |
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|
D |
D1 |
n-Ød |
D |
D1 |
n-Ød |
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|
50 |
108 |
43 |
63 |
315 |
180 |
165 |
125 |
4-18 |
165 |
125 |
4-18 |
|
65 |
112 |
46 |
70 |
330 |
180 |
185 |
145 |
4-18 |
185 |
145 |
4-18 |
|
80 |
114 |
46 |
83 |
390 |
245 |
200 |
160 |
4-18 |
200 |
160 |
8-18 |
|
100 |
127 |
52 |
105 |
431 |
240 |
220 |
180 |
8-18 |
220 |
180 |
8-18 |
|
125 |
140 |
56 |
115 |
455 |
240 |
250 |
210 |
8-18 |
250 |
210 |
8-18 |
|
150 |
140 |
56 |
137 |
626 |
350 |
285 |
240 |
8-22 |
285 |
240 |
8-22 |
|
200 |
152 |
60 |
164 |
720 |
350 |
340 |
295 |
8-22 |
340 |
295 |
12-22 |
|
250 |
165 |
68 |
206 |
800 |
550 |
395 |
350 |
12-22 |
405 |
355 |
12-26 |
|
300 |
178 |
78 |
230 |
860 |
600 |
445 |
400 |
12-22 |
460 |
410 |
12-26 |
|
350 |
190 |
78 |
248 |
883 |
600 |
505 |
460 |
16-22 |
520 |
470 |
12-26 |
|
400 |
216 |
102 |
289 |
972 |
600 |
565 |
515 |
16-26 |
580 |
525 |
16-26 |
|
450 |
222 |
114 |
320 |
1043 |
750 |
615 |
565 |
20-26 |
640 |
585 |
16-30 |
|
500 |
229 |
127 |
342 |
1098 |
750 |
670 |
620 |
20-26 |
715 |
650 |
20-30 |
|
600 |
267 |
154 |
413 |
1236 |
750 |
780 |
725 |
20-30 |
840 |
770 |
20-33 |
|
700 |
430 |
165 |
478 |
1431 |
750 |
895 |
840 |
24-30 |
910 |
840 |
24-36 |
|
800 |
470 |
190 |
525 |
1488 |
750 |
1015 |
950 |
24-33 |
1025 |
950 |
24-39 |
