Multifunctional Check Valve
Multifunctional check valve
1. One valve can perfectly complete three functions: water hammer check valve, stop valve, and balancing valve.
2. When the pump stops running, the spring force closes the valve disc first, thus preventing water hammer.
3. By adjusting the opening, the output of the pump can be adjusted.
4. An indicator is installed, and the opening of the valve can be confirmed by eye.
5. The sealing gasket is made of nitrile rubber, so it will not leak at all and can absorb the impact.
6. The spring is made of stainless steel, so it has strong corrosion resistance.
7. It can save water, equipment materials and costs, and reduce installation space.
8. Due to the streamlined shape and structure, the pressure drop is very small.
9. Because it plays a bypass role, it has the function of recovering water in the outlet side pipeline, and when vacuum occurs on the inlet side, it replenishes water.
10. It can be installed on both horizontal and vertical pipelines.
| performance |
ATO-2001 |
ATO-2002 |
|
| Suitable media |
water oil |
||
| Applicable pressure |
<10kg/cm² |
20kg/cm² |
|
| Suitable temperature |
<80ºC |
||
| Allowable leakage |
0 |
||
|
size |
DN50-DN800 |
||
|
connector way |
flange 10kg/cm² |
flange 20kg/cm² |
|
| Material |
valve cap |
cast iron | Cast Steel |
|
valve seat |
Cast Steel | ||
|
oring |
Nitrile rubber | ||
| Valve Identification |
|
Cast Steel | |
|
ring |
steel |
||
|
DN |
cpnnector |
valve lengthL(mm) |
Pipe screw and flange diameterD |
Opening heightH(mm) |
Bolt hole center distanceD1 |
Bolt hole diameterN-d |
weigth/kg |
|
50 |
flange |
230 |
160 |
210 |
125 |
4-18 |
16 |
|
65 |
290 |
180 |
250 |
145 |
4-18 |
24 |
|
|
80 |
310 |
195 |
290 |
160 |
8-18 |
35 |
|
|
100 |
350 |
215 |
320 |
180 |
8-18 |
50 |
|
|
125 |
400 |
245 |
380 |
210 |
8-18 |
72 |
|
|
150 |
480 |
280 |
420 |
240 |
8-18 |
98 |
|
|
200 |
533 |
335 |
500 |
295 |
12-23 |
150 |
|
|
250 |
622 |
405 |
580 |
355 |
12-25 |
230 |
|
|
300 |
698 |
460 |
730 |
410 |
12-25 |
390 |
|
|
350 |
787 |
520 |
830 |
470 |
16-25 |
500 |
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