一、 PRODUCT INTRODUCTION
This valve is made up with the foreign advanced konw-how and designed via several improvements and holds quick mountable,simple,reliable,light,flexible,operable,easily repairable etc.feature,as well as a good tightness and desirable quick connection with fittings.Suitable for water supply and drainage,fire fighting,petroleum,chemical industry,medicine,steel and iron etc.field as breaking or adjusting the pipeline there.
二、 FEATURES OF CHANNEL TYPE BUTTERFLY VALVE
1.Compact structure,small volume,light weight,flexible operation,easy repair.
2.Reliable sealing performance,without subject to the limit of medium injection(dual-way seal)
3.Large flow-passing area,small flow-resisting coefficient,great flowing capacity.
4.The butterfly board is integrally and adhesively wrapped,ageing-roof radiation-proof and durable.
三、 MAIN TECHNICAL PARAMETERS
| 公稱直徑DN（mm） |
L |
D |
A |
B |
C |
H |
| SJKD |
SJKD3 |
SJKXHD |
SJKE |
| 50 |
88 |
57 |
14.5 |
9.5 |
2.2 |
120 |
170 |
250 |
160 |
| 60 |
| 65 |
90 |
76 |
14.5 |
9.5 |
2.2 |
130 |
180 |
260 |
170 |
| 80 |
96 |
89 |
14.5 |
9.5 |
2.2 |
150 |
200 |
282 |
190 |
| 100 |
115 |
108 |
16 |
9.5 |
2.2 |
180 |
230 |
310 |
220 |
| 114 |
| 150 |
132 |
159 |
16 |
9.5 |
2.2 |
210 |
260 |
340 |
260 |
| 165 |
| 168 |
| 200 |
147 |
219 |
19 |
13 |
2.5 |
250 |
320 |
400 |
290 |
| 250 |
159 |
273 |
19 |
13 |
2.5 |
|
350 |
430 |
350 |
| 300 |
165 |
325 |
19 |
13 |
2.5 |
|
390 |
470 |
390 |
| 350 |
165 |
377 |
25 |
13 |
2.5 |
|
440 |
520 |
440 |
| 400 |
170 |
426 |
25 |
13 |
2.5 |
|
510 |
590 |
510 |
| 450 |
180 |
480 |
25 |
13 |
2.5 |
|
540 |
620 |
540 |
| 500 |
180 |
530 |
25 |
13 |
2.5 |
|
585 |
665 |
585 |
| 600 |
210 |
630 |
25 |
13 |
2.5 |
|
650 |
730 |
650 |
|
