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Product details
■ Purpose and characteristics
Soft sealed butterfly valves are suitable for regulating flow and intercepting media on water supply and drainage, gas pipelines in food, medicine, chemical, petroleum, power, textile, papermaking, and other industries with temperatures ≤ 120 ℃ and nominal pressures ≤ 1.6MPa. Its main characteristics are:
1. Novel and reasonable design, unique structure, lightweight, and quick opening and closing.
2. Small operating torque, easy to operate, labor-saving and agile.
3. Can be installed in any position, easy to maintain.
4. The seals can be replaced, and the sealing performance is reliable, achieving bi-directional sealing with zero leakage.
5. The sealing material has the characteristics of aging resistance, corrosion resistance, and long service life.
■ Structural images
Adopting standards
Design standards: GB/T2238-1989
Flange connection size: GB/T9113.1-2000; GB/T9115.1-2000; JB78
Structural length: GB/T12221-1989
Pressure test: GB/T13927-1992; JB/T9092-1999
Main technical parameters
|
Nominal diameter |
DN（mm） |
50~2000 |
50~500 |
|||
|
Nominal pressure |
PN（MPa） |
0.6 |
1.0 |
1.6 |
2.5 |
4.0 |
|
Test pressure |
strength test |
0.9 |
1.5 |
2.4 |
3.75 |
6.0 |
|
Sealing test |
0.66 |
1.1 |
1.76 |
2.75 |
4.4 |
|
|
Airtight seal test |
0.6 |
0.6 |
0.6 |
0.6 |
0.6 |
|
|
Applicable temperature |
Carbon steel: -29 ℃~425 ℃ Stainless steel -40 ℃~600 ℃ |
|||||
|
Applicable media |
Air, water, steam, coal gas, oil products, as well as acids, alkalis, salts with weak corrosive media, etc |
|||||
|
Drive form |
Worm gear transmission, pneumatic transmission, electric transmission |
|||||
■ Main component materials
|
Part name |
Material Science |
|
valve body |
Cast iron, cast steel, stainless steel, chromium molybdenum steel, alloy steel |
|
Disc |
Cast steel, alloy steel (hard chrome plated), stainless steel, chromium molybdenum steel |
|
seal ring |
Stainless steel, internal grease, wear-resistant materials |
|
Valve stem |
2Cr13, 1Cr13 stainless steel, chromium molybdenum steel |
|
filler |
Flexible graphite |
■ Selection of sealing materials and applicable temperature
|
Material variety |
Chloroprene rubber |
Dingqing rubber |
Ethylene propylene rubber |
teflon |
silicon rubber |
Fluororubber |
|
Code name |
X or J |
XA or JA |
XB or JB |
XC, JC, or F |
XD or JD |
XE or JE |
|
Maximum temperature resistance |
82℃ |
93℃ |
150℃ |
232℃ |
250℃ |
204℃ |
|
Minimum temperature resistance |
-40℃ |
-40℃ |
-40℃ |
-268℃ |
-70℃ |
-23℃ |
|
Applicable working temperature |
≤65℃ |
≤80℃ |
≤120℃ |
≤200℃ |
≤200℃ |
≤180℃ |
■ External dimensions
|
D41 |
X |
- |
6 |
Z. Q.C.P.R series connection dimensions |
|
10 |
||||
|
J |
16 |
|
Nominal diameter |
Structural length |
External dimensions |
Connection size (standard value) |
Reference weight |
|||||||||||||||
|
0.6MPa |
1.0MPa |
1.6MPa |
|||||||||||||||||
|
millimeter |
inch |
L |
H |
H0 |
A |
B |
D |
D1 |
D2 |
n-d |
D |
D1 |
D2 |
n-d |
D |
D1 |
D2 |
n-d |
|
|
50 |
2 |
108 |
82.5 |
238 |
270 |
65 |
140 |
110 |
88 |
4-14 |
165 |
125 |
99 |
4-18 |
165 |
125 |
99 |
4-18 |
8.5 |
|
65 |
21/2 |
112 |
92.5 |
258 |
270 |
65 |
160 |
130 |
108 |
4-14 |
185 |
145 |
118 |
4-18 |
185 |
145 |
118 |
4-18 |
9.5 |
|
80 |
3 |
114 |
100 |
278 |
270 |
65 |
190 |
150 |
124 |
4-18 |
200 |
160 |
132 |
8-18 |
200 |
160 |
132 |
8-18 |
11 |
|
100 |
4 |
127 |
110 |
293 |
270 |
65 |
210 |
170 |
144 |
4-18 |
220 |
180 |
156 |
8-18 |
220 |
180 |
156 |
8-18 |
15 |
|
125 |
5 |
140 |
125 |
309 |
310 |
65 |
240 |
200 |
174 |
8-18 |
250 |
210 |
184 |
8-18 |
250 |
210 |
184 |
8-18 |
21 |
|
150 |
6 |
140 |
142.5 |
336 |
310 |
65 |
265 |
225 |
199 |
8-18 |
285 |
240 |
211 |
8-22 |
285 |
240 |
211 |
8-22 |
24 |
|
D341 |
X |
- |
6 |
Z. Q.C.P.R series connection dimensions |
|
10 |
||||
|
J |
16 |
|
nominal |
length |
External dimensions |
Connection size (standard value) |
weight |
||||||||||||||
|
0.6MPa |
1.0MPa |
1.6MPa |
||||||||||||||||
|
L |
H |
H0 |
A |
B |
D |
D1 |
D2 |
n-d |
D |
D1 |
D2 |
n-d |
D |
D1 |
D2 |
n-d |
||
|
50 |
108 |
63 |
306 |
180 |
200 |
140 |
110 |
88 |
4-14 |
165 |
125 |
99 |
4-18 |
165 |
125 |
99 |
4-18 |
13 |
|
65 |
112 |
70 |
321 |
180 |
200 |
160 |
130 |
108 |
4-14 |
185 |
145 |
118 |
4-18 |
185 |
145 |
118 |
4-18 |
14 |
|
80 |
114 |
83 |
346 |
180 |
200 |
190 |
150 |
124 |
4-18 |
200 |
160 |
132 |
8-18 |
200 |
160 |
132 |
8-18 |
15.5 |
|
100 |
127 |
105 |
387 |
180 |
200 |
210 |
170 |
144 |
4-18 |
220 |
180 |
156 |
8-18 |
220 |
180 |
156 |
8-18 |
19.5 |
|
125 |
140 |
115 |
411 |
180 |
200 |
240 |
200 |
174 |
8-18 |
250 |
210 |
184 |
8-18 |
250 |
210 |
184 |
8-18 |
25.5 |
|
150 |
140 |
137 |
447 |
270 |
280 |
265 |
225 |
199 |
8-18 |
285 |
240 |
211 |
8-22 |
285 |
240 |
211 |
8-22 |
28.5 |
|
200 |
152 |
164 |
572 |
270 |
280 |
320 |
280 |
254 |
8-18 |
340 |
295 |
266 |
8-22 |
340 |
295 |
266 |
12-22 |
48 |
|
250 |
250 |
206 |
646 |
270 |
280 |
375 |
335 |
309 |
12-18 |
395 |
350 |
319 |
12-22 |
405 |
355 |
319 |
12-26 |
69 |
|
300 |
270 |
230 |
738 |
380 |
420 |
440 |
395 |
363 |
12-22 |
445 |
400 |
370 |
12-22 |
460 |
410 |
370 |
12-26 |
91 |
|
350 |
290 |
248 |
761 |
380 |
420 |
490 |
445 |
413 |
12-22 |
505 |
460 |
429 |
16-22 |
520 |
470 |
429 |
16-26 |
110 |
|
400 |
310 |
289 |
877 |
450 |
470 |
540 |
495 |
463 |
16-22 |
565 |
515 |
480 |
16-26 |
580 |
525 |
480 |
16-30 |
140 |
|
450 |
330 |
320 |
938 |
480 |
490 |
595 |
550 |
518 |
16-22 |
615 |
565 |
530 |
20-26 |
640 |
585 |
548 |
20-30 |
180 |
|
500 |
350 |
343 |
993 |
480 |
490 |
645 |
600 |
568 |
20-22 |
670 |
620 |
582 |
20-26 |
715 |
650 |
609 |
20-33 |
215 |
|
600 |
390 |
413 |
1131 |
480 |
490 |
755 |
705 |
667 |
20-26 |
780 |
725 |
682 |
20-30 |
840 |
770 |
720 |
20-36 |
290 |
|
700 |
430 |
478 |
1476 |
640 |
660 |
860 |
810 |
772 |
24-26 |
895 |
840 |
794 |
24-30 |
910 |
840 |
794 |
24-36 |
560 |
|
800 |
470 |
525 |
1533 |
640 |
660 |
975 |
920 |
878 |
24-30 |
1015 |
950 |
901 |
24-33 |
1025 |
950 |
901 |
24-39 |
910 |
|
900 |
510 |
585 |
1655 |
750 |
860 |
1075 |
1020 |
978 |
24-30 |
1115 |
1050 |
1001 |
28-33 |
1125 |
1050 |
1001 |
28-39 |
1500 |
|
1000 |
550 |
640 |
1765 |
850 |
900 |
1175 |
1120 |
1078 |
28-30 |
1230 |
1160 |
1112 |
28-36 |
1255 |
1170 |
1112 |
28-42 |
1750 |
|
1200 |
630 |
755 |
1995 |
850 |
900 |
1405 |
1340 |
1295 |
32-33 |
1455 |
1380 |
1328 |
32-39 |
1485 |
1390 |
1328 |
32-48 |
2180 |
|
1400 |
710 |
910 |
2310 |
1000 |
925 |
1630 |
1560 |
1510 |
36-36 |
1675 |
1590 |
1530 |
36-42 |
1685 |
1590 |
1530 |
36-48 |
2400 |
|
1600 |
790 |
1030 |
2595 |
1000 |
925 |
1830 |
1760 |
1710 |
40-36 |
1915 |
1820 |
1750 |
40-48 |
1930 |
1820 |
1750 |
40-56 |
2870 |
|
1800 |
870 |
1140 |
2810 |
1100 |
980 |
2045 |
1970 |
1918 |
44-39 |
2115 |
2020 |
1950 |
44-48 |
2130 |
2020 |
1950 |
44-56 |
3380 |
|
2000 |
950 |
1250 |
3100 |
1100 |
980 |
2265 |
2180 |
2125 |
48-42 |
2325 |
2230 |
2150 |
48-48 |
2345 |
2230 |
2150 |
48-62 |
4010 |
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