一、 Main Features
DK7K41H Energy Saving Tank Type Hydraulic Control Slow Close Metal Sealed Check valve and Dx7K41X Energy Saving Tank Type Hydraulic Control Slow Close Rubber Sealed Check Valve are new products made with imported overseas advanced technology by our company．It has both the function of gate valves and check valve With rather complete hydraulic system and electric control system，is can be operated on spot or at a long distance to realize pump-valve programmed linkage and computer integrated control It can replace heavy hammer hydraulic butterfly valve By changing heavy hammer momentum Into hydraulic saved energy ,it saves energy that is lost in operation to support the heavy hammer,and improves the pressure protection of hydra ulic system The valves are available in full open，full close，semi open or quick open and slow close It can preset the program according to customer’s requirements，which effectively avoids destructive water hammer，and protect the pipeline operation It is an ideal control equipment．
二、 Performance specifications And Code Meanngs
| Time of (S) |
|
Valve diameter |
Adjustable |
| ≤1200 |
≤1400 |
| 10-60 |
15-60 |
| Time of valve closing (S) |
Quick close |
1.2-25 |
2.30 |
| Slow close |
2-60 |
4-60 |
| Angle 0f valve closing |
Quick close |
65°±10° |
| Slow close |
25°±10° |
三、 Overall And Connecting Size of DX7K41H And DX7K41X
| Nominal pressure |
Nominal diameter |
Main connecting dimensions |
| D |
D1 |
b |
L |
L1 |
L2 |
L3 |
L4 |
| 1.0 |
200 |
340 |
295 |
28 |
|
|
|
168 |
720 |
| 250 |
395 |
350 |
28 |
|
|
|
200 |
770 |
| 300 |
445 |
400 |
28 |
|
|
|
235 |
795 |
| 350 |
505 |
460 |
30 |
260 |
340 |
420 |
265 |
820 |
| 400 |
565 |
515 |
32 |
310 |
410 |
510 |
296 |
900 |
| 450 |
615 |
565 |
32 |
320 |
420 |
520 |
320 |
920 |
| 500 |
670 |
620 |
34 |
350 |
450 |
530 |
345 |
1010 |
| 600 |
780 |
725 |
36 |
400 |
565 |
640 |
414 |
1055 |
| 700 |
895 |
840 |
40 |
530 |
650 |
760 |
530.5 |
1070 |
| 800 |
1015 |
950 |
44 |
600 |
740 |
860 |
601.5 |
1130 |
| 900 |
1115 |
1050 |
46 |
668 |
820 |
950 |
664 |
1180 |
| 1000 |
1230 |
1160 |
50 |
728 |
900 |
1040 |
735 |
1240 |
| 1200 |
1455 |
1380 |
56 |
868 |
1070 |
1240 |
873 |
1250 |
| 0.6 |
1400 |
1630 |
1560 |
44 |
1000 |
1230 |
1430 |
957.5 |
1440 |
| 1600 |
1830 |
1760 |
48 |
1130 |
1400 |
1620 |
1097.5 |
1540 |
| 1800 |
2045 |
1970 |
50 |
1260 |
1550 |
1800 |
1212.5 |
1690 |
| 2000 |
2265 |
2180 |
54 |
1280 |
1700 |
1980 |
1347.5 |
1810 |
| 2200 |
2475 |
2390 |
60 |
1620 |
2040 |
2340 |
1660 |
2100 |
| 0.25 |
2400 |
2605 |
2540 |
38 |
1740 |
2070 |
2400 |
1687.5 |
2310 |
| 2600 |
2805 |
2740 |
40 |
1940 |
2270 |
2600 |
1887.5 |
2410 |
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