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China Fenghua xingyu Electron Co., Ltd. is China hard-sealing butterfly valve manufacturer and wholesaler. Our products are produced according to the ISO9001:2000 standards. There are more than 10 well educated and experienced technicians in our company to deal with OEM pneumatic hard-sealing butterfly valve services for our customers. Equipped with advanced facilities and high technology, now we are supplier of some famous enterprises such as the Parker Hannifin in the USA. |
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| DN |
L |
D |
D1 |
H |
H1 |
H2 |
A |
Z-d |
Actuator |
| mm |
inch |
Short |
Long |
| 50 |
2 |
108 |
150 |
165 |
125 |
112 |
|
134 |
196.5 |
4-18 |
RAT083DA |
| 65 |
21/2 |
112 |
170 |
185 |
145 |
115 |
|
145 |
241 |
4-18 |
RAT092DA |
| 80 |
3 |
114 |
180 |
200 |
160 |
120 |
|
158 |
263.5 |
8-18 |
RAT105DA |
| 100 |
4 |
127 |
190 |
220 |
180 |
138 |
548 |
181 |
319 |
8-18 |
RAT125DA |
| 125 |
5 |
140 |
200 |
250 |
210 |
164 |
605 |
198 |
390 |
8-18 |
RAT140DA |
| 150 |
6 |
140 |
210 |
285 |
240 |
175 |
653 |
223 |
449 |
8-22 |
RAT160DA |
| 200 |
8 |
152 |
230 |
340 |
295 |
200 |
772 |
223 |
449 |
8-22 |
RAT160DA |
| 250 |
10 |
165 |
250 |
395 |
350 |
243 |
866 |
256 |
515 |
12-22 |
RAT190DA |
| 300 |
12 |
178 |
270 |
445 |
400 |
250 |
964 |
281 |
560 |
12-22 |
RAT210DA |
| 350 |
14 |
190 |
290 |
505 |
460 |
280 |
1068 |
281 |
560 |
16-22 |
RAT210DA |
| 400 |
16 |
216 |
310 |
565 |
515 |
305 |
1108 |
281 |
560 |
16-26 |
RAT210DA |
| 450 |
18 |
222 |
330 |
615 |
565 |
350 |
1177 |
306 |
654 |
20-26 |
RAT240DA |
| 500 |
20 |
291 |
350 |
670 |
620 |
380 |
1289 |
346 |
725 |
20-26 |
RAT270DA |
| 600 |
24 |
267 |
390 |
780 |
725 |
445 |
1439 |
374 |
745 |
20-30 |
RAT300DA |
| 700 |
28 |
292 |
430 |
892 |
840 |
480 |
1494 |
374 |
745 |
24-30 |
RAT300DA |
| 800 |
32 |
318 |
470 |
1015 |
950 |
530 |
1718 |
428 |
860 |
24-33 |
RAT350DA |
| 900 |
36 |
330 |
510 |
1115 |
1050 |
580 |
1818 |
428 |
860 |
28-33 |
RAT350DA |
| 1000 |
40 |
410 |
550 |
1230 |
1160 |
650 |
2041 |
506 |
918 |
28-36 |
RAT400DA |
| 1200 |
48 |
470 |
630 |
1455 |
1380 |
760 |
1176 |
506 |
918 |
32-39 |
RAT400DA |
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| • Characteristic |
Because this butterfly valve adopt three-dimensional eccentric to design, make the movement track on facing space reach to idealization, and there are no attrition and on intervene between hermetical components, furthermore, the hermetical material has been selected reasonably, there by it ensure hermetic, 10 antisepsis, wearable capability of valve. The main characteristic as below:
1. Tiny moment for starting, flexible and convenient, save labor and energy.
2. Three-dimensional eccentric configuration forces disc close tighter, and reach to reliable hermetic capability and with no
leakage.
3. High temperature resistant, high pressure resistant, long service life etc. |
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| • Main technology parameter |
| Nominal diameter |
DN（mm） |
50~200 |
50~500 |
| Nominal pressure |
PN（MPa） |
0.6 |
1 |
1.6 |
2.5 |
4 |
| PS(MPa) Test Pressure |
Shell test |
0.9 |
1.5 |
2.4 |
3.75 |
6 |
| Seal test |
0.66 |
1.1 |
1.76 |
2.75 |
4.4 |
| Gas seal test |
0.6 |
0.6 |
0.6 |
0.6 |
0.6 |
| Leakage |
<0.1xDNmm3/s（GB/T13927-92 standard） |
| Appropriate temperature |
Carbon steel : -29°C~425°C Stainless steel : -40°C~600°C |
| Appropriate medium |
Air, water, steam, coalgas, oil and acid, alkali, salt corrosive medium and so on |
| Drive modality |
Worm wheel drive, gas drive, electric drive |
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| • Material for main parts |
| Parts name |
Material |
| Body |
Cast iron, Stainless steel, Cr.MO.Steel, Alloy steel |
| Disc |
Cast steel, Alloy steel, Stainless steel, Cr.MO.Steel |
| Seal |
Stainless steel and high temperature resistant asbestos composed of multiple layers |
| Stem |
2Cr13、1Cr13 Stainless steel, Cr.MO.Steel |
| Bearing |
Austenitic stainless steel, 304 nitride ZG00Cr18Ni10，304nitrification |
| Additve |
Flexible graphite |
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valve
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