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.
Pneumatic Hard-sealing Butterfly Valve
DN
L
D
D1
H
H1
H2
A
Z-d
Actuator
mm
inch
Short
Long
50
2
108
150
165
125
112
0
134
196.5
4-18
RAT083DA
65
21/2
112
170
185
145
115
0
145
241
4-18
RAT092DA
80
3
114
180
200
160
120
0
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
• 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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