
Sagedusajam konstantse rõhuga veepump
Tehnilised kirjeldused
- Mõistlik jooksmine, pehme käivitamise ja pehme peatumisega, võib kõrvaldada veehaamri efekti. Seetõttu väheneb mootori võlli keskmine pöördemoment ja kulumine palju. Mitte ainult ei vähenda hoolduskulusid, vaid pikendab oluliselt ka pumba ja kogu veevarustussüsteemi eluiga.
- Pideva rõhu all olev veevarustussüsteem saab vett otse lähteveest, nii et see vähendab sekundaarset reostust, mis on tõhus paljude nakkushaiguste leviku vältimiseks.
- Sellel on suur konfiguratsioonipaindlikkus, kõrge automatiseerituse tase, rikkalikud funktsioonid ja stabiilne jõudlus.
- Sellel on väike arvestuspind, vähem investeeringuid ja kõrge töötõhusus
- Energiasäästlik: pump VSD aitab säästa 20 protsenti -60 protsenti elektrit ja vett, mis on keskkonnasõbralik.
- Kommunikatsiooni juhtimine: pumba VFD-d aitavad teil saavutada järelevalveta juhtimist, säästes tööjõudu.
Rakendus
Sagedusajamiga veepumpa kasutatakse laialdaselt pideva survega veevarustussüsteemis, tuletõrjeseadmetes, kõrghoonete veevarustussüsteemis, veetöötlusseadmetes, keskkonnatehnikas ja muudes valdkondades.

Toote parameetrid

Muu info
Mis on sinu eelis?
Meie tööstus ja kaubandus on integreeritud ning meie tehas toodab peamiselt invertereid, inverterpumpasid, püsimagnetiga inverterpumpasid, inverterkalaseadmeid ja pumpade tarvikuid. Meil on täielik standardsete juhtimissüsteemide komplekt alates tooraine hankimisest, tootmisest kuni toote testimiseni ning pakendamise ja saatmiseni jne. Iga toodet testitakse enne tarnimist.
Kas saate pakkuda OEM-i või värvide kohandamist?
Kui kliendid vajavad OEM-teenuseid, on minimaalne tellimiskogus 600 tk mudeli kohta ühes tellimuses.
Kas inverter saab parameetrite seadistamisega veepumba sagedust kiirendada?
Ei, see on automaatne
Millist materjali ja protsessi kasutatakse teie kasti tüüpi muutuva sagedusega pumba inverteri korpuse jaoks?
Kast-tüüpi inverteri kest on valmistatud külmvaltsitud plaatidest ja värvitud.
Mis on teie müügijärgne teenindus?
Meie kvaliteedi garantiiaeg on üks aasta. Kõik kvaliteediprobleemid tekivadlahendatudklientide rahuldamiseks.
Kuidas inverter reageerib, kui pump töötab kuivalt?
Kuivtöö korral kaitseb inverter veepuuduse eest, et mitte pumpa kahjustada.
Sagedusajami konstantse rõhuga veepump (50 HZ)
|
Mudel |
Võimsus |
Sisendpinge |
Taastunud vooluhulk (m³/h) |
Nimetatud pea (m) |
Ühefaasiline PUMPMudel |
Väljundsagedus |
Rõhuandur |
|
VFWI-17M/1-18 |
0,25 kW |
1x220V |
1.0 |
18 |
CMI1-2 |
20--50Hz |
4--20mA, pluss 24 V, (10bar, 16bar,25bar) |
|
VFWI-17M/1-25 |
0,25 kW |
1x220V |
1.0 |
25 |
CMI1-3 |
||
|
VFWI-17M/1-33 |
0.37 kW |
1x220V |
1.0 |
33 |
CMI1-4 |
||
|
VFWI-17M/1-38 |
0.37 kW |
1x220V |
1.0 |
38 |
CMI1-5 |
||
|
VFWI-17M/1-46 |
0.37 kW |
1x220V |
1.0 |
46 |
CMI1-6 |
||
|
VFWI-17M/2-18 |
0,25 kW |
1x220V |
2.0 |
18 |
CMI2-2 |
||
|
VFWI-17M/2-24 |
0.37 kW |
1x220V |
2.0 |
24 |
CMI2-3 |
||
|
VFWI-17M/2-32 |
0,55 kW |
1x220V |
2.0 |
32 |
CMI2-4 |
||
|
VFWI-17M/2-40 |
0,55 kW |
1x220V |
2.0 |
40 |
CMI2-5 |
||
|
VFWI-17M/2-47 |
0,75 kW |
1x220V |
2.0 |
47 |
CMI2-6 |
||
|
VFWI-17M/3-15 |
0,25 kW |
1x220V |
3.0 |
15 |
CMI3-2 |
||
|
VFWI-17M/3-21 |
0.37 kW |
1x220V |
3.0 |
21 |
CMI3-3 |
||
|
VFWI-17M/3-28 |
0,55 kW |
1x220V |
3.0 |
28 |
CMI3-4 |
||
|
VFWI-17M/3-34 |
0,55 kW |
1x220V |
3.0 |
34 |
CMI3-5 |
||
|
VFWI-17M/3-38 |
0,75 kW |
1x220V |
3.0 |
38 |
CMI3-6 |
||
|
VFWI-17M/4-15 |
0.37 kW |
1x220V |
4.0 |
15 |
CMI4-2 |
||
|
VFWI-17M/4-25 |
0,55 kW |
1x220V |
4.0 |
25 |
CMI4-3 |
||
|
VFWI-17M/4-30 |
0,75 kW |
1x220V |
4.0 |
30 |
CMI4-4 |
||
|
VFWI-17M/4-40 |
1.{1}}KW |
1x220V |
4.0 |
40 |
CMI4-5 |
||
|
VFWI-17M/4-49 |
1,3 kW |
1x220V |
4.0 |
49 |
CMI4-6 |
||
|
VFWI-17M/5-13 |
0.37 kW |
1x220V |
5.0 |
13 |
CMI5-2 |
||
|
VFWI-17M/5-22 |
0,55 kW |
1x220V |
5.0 |
22 |
CMI5-3 |
||
|
VFWI-17M/5-27 |
0,75 kW |
1x220V |
5.0 |
27 |
CMI5-4 |
||
|
VFWI-17M/5-35 |
1.{1}}KW |
1x220V |
5.0 |
35 |
CMI5-5 |
||
|
VFWI-17M/5-44 |
1,3 kW |
1x220V |
5.0 |
44 |
CMI5-6 |
||
|
VFWI-17M/8-12 |
0,55 kW |
1x220V |
8.0 |
12 |
CMI8-10 |
||
|
VFWI-17M/8-20 |
0,75 kW |
1x220V |
8.0 |
20 |
CMI8-15 |
||
|
VFWI-17M/8-24 |
1.{1}}KW |
1x220V |
8.0 |
24 |
CMI8-20 |
||
|
VFWI-17M/8-27 |
1,5 kW |
1x220V |
8.0 |
27 |
CMI8-25 |
||
|
VFWI-17M/8-9 |
0,55 kW |
1x220V |
8.0 |
9 |
CMI8-10B |
||
|
VFWI-17M/8-19 |
0,75 kW |
1x220V |
8.0 |
19 |
CMI8-20B |
||
|
VFWI-17M/8-26 |
1,1 kW |
1x220V |
8.0 |
26 |
CMI8-30B |
||
|
VFWI-17M/8-37 |
1,5 kW |
1x220V |
8.0 |
37 |
CMI8-40B |
||
|
VFWI-17M/10-11 |
0.65 kW |
1x220V |
10.0 |
11 |
CMI10-1 |
||
|
VFWI-17M/10-24 |
1,2 kW |
1x220V |
10.0 |
24 |
CMI10-2 |
||
|
VFWI-17M/12-13 |
1KW |
1x220V |
12.0 |
13 |
CMI12-10 |
||
|
VFWI-17M/12-20 |
1,5 kW |
1x220V |
12.0 |
20 |
CMI12-15 |
||
|
VFWI-17M/12-9 |
0,75 kW |
1x220V |
12.0 |
9 |
CMI12-10B |
||
|
VFWI-17M/12-19 |
1,1 kW |
1x220V |
12.0 |
19 |
CMI12-20B |
||
|
VFWI-17M/15-12 |
1,2 kW |
1x220V |
15.0 |
12 |
CMI15-1 |
||
|
VFWI-17M/16-10 |
1KW |
1x220V |
16.0 |
10 |
CMI16-10 |
||
|
VFWI-17M/16-20 |
1,5 kW |
1x220V |
16.0 |
20 |
CMI16-20 |
||
|
VFWI-17M/20-10 |
1KW |
1x220V |
20.0 |
10 |
CMI20-10 |
|
Mudel |
Võimsus |
Sisendpinge |
Taastunud vooluhulk (m³/h) |
Nimetatud pea (m) |
kolmefaasiline PUMP mudel |
Väljundsagedus |
Rõhuandur |
|
VFWI-17S/1-18 |
0,25 kW |
1x220V |
1.0 |
18 |
CMI1-2T(△) |
20--50Hz |
4--20mA, pluss 24 V, (10bar, 16bar,25bar) |
|
VFWI-17S/1-25 |
0,25 kW |
1x220V |
1.0 |
25 |
CMI1-3T(△) |
||
|
VFWI-17S/1-33 |
0.37 kW |
1x220V |
1.0 |
33 |
CMI1-4T(△) |
||
|
VFWI-17S/1-38 |
0.37 kW |
1x220V |
1.0 |
38 |
CMI1-5T(△) |
||
|
VFWI-17S/1-46 |
0.37 kW |
1x220V |
1.0 |
46 |
CMI1-6T(△) |
||
|
VFWI-17S/2-18 |
0,25 kW |
1x220V |
2.0 |
18 |
CMI2-2T(△) |
||
|
VFWI-17S/2-24 |
0.37 kW |
1x220V |
2.0 |
24 |
CMI2-3T(△) |
||
|
VFWI-17S/2-32 |
0,55 kW |
1x220V |
2.0 |
32 |
CMI2-4T(△) |
||
|
VFWI-17S/2-40 |
0,55 kW |
1x220V |
2.0 |
40 |
CMI2-5T(△) |
||
|
VFWI-17S/2-47 |
0,75 kW |
1x220V |
2.0 |
47 |
CMI2-6T(△) |
||
|
VFWI-17S/3-15 |
0,25 kW |
1x220V |
3.0 |
15 |
CMI3-2T(△) |
||
|
VFWI-17S/3-21 |
0.37 kW |
1x220V |
3.0 |
21 |
CMI3-3T(△) |
||
|
VFWI-17S/3-28 |
0,55 kW |
1x220V |
3.0 |
28 |
CMI3-4T(△) |
||
|
VFWI-17S/3-34 |
0,55 kW |
1x220V |
3.0 |
34 |
CMI3-5T(△) |
||
|
VFWI-17S/3-38 |
0,75 kW |
1x220V |
3.0 |
38 |
CMI3-6T(△) |
||
|
VFWI-17S/4-15 |
0.37 kW |
1x220V |
4.0 |
15 |
CMI4-2T(△) |
||
|
VFWI-17S/4-25 |
0,55 kW |
1x220V |
4.0 |
25 |
CMI4-3T(△) |
||
|
VFWI-17S/4-30 |
0,75 kW |
1x220V |
4.0 |
30 |
CMI4-4T(△) |
||
|
VFWI-17S/4-40 |
1.{1}}KW |
1x220V |
4.0 |
40 |
CMI4-5T(△) |
||
|
VFWI-17S/4-49 |
1,3 kW |
1x220V |
4.0 |
49 |
CMI4-6T(△) |
||
|
VFWI-17S/5-13 |
0.37 kW |
1x220V |
5.0 |
13 |
CMI5-2T(△) |
||
|
VFWI-17S/5-23 |
0,55 kW |
1x220V |
5.0 |
23 |
CMI5-3T(△) |
||
|
VFWI-17S/5-27 |
0,75 kW |
1x220V |
5.0 |
27 |
CMI5-4T(△) |
||
|
VFWI-17S/5-35 |
1.{1}}KW |
1x220V |
5.0 |
35 |
CMI5-5T(△) |
||
|
VFWI-17S/5-44 |
1,3 kW |
1x220V |
5.0 |
44 |
CMI5-6T(△) |
||
|
VFWI-17S/8-12 |
0,55 kW |
1x220V |
8.0 |
12 |
CMI8-10T(△) |
||
|
VFWI-17S/8-20 |
0,75 kW |
1x220V |
8.0 |
20 |
CMI8-15T(△) |
||
|
VFWI-17S/8-24 |
1KW |
1x220V |
8.0 |
24 |
CMI8-20T(△) |
||
|
VFWI-17S/8-27 |
1,5 kW |
1x220V |
8.0 |
27 |
CMI8-25T(△) |
||
|
VFWI-17S/8-36 |
1,85 kW |
1x220V |
8.0 |
36 |
CMI8-30T(△) |
||
|
VFWI-17S/8-43 |
2,2 kW |
1x220V |
8.0 |
43 |
CMI8-35T(△) |
||
|
VFWI-17S/8-48 |
2,2 kW |
1x220V |
8.0 |
48 |
CMI8-40T(△) |
||
|
VFWI-17S/8-9 |
0,55 kW |
1x220V |
8.0 |
9 |
CMI8-10BT(△) |
||
|
VFWI-17S/8-19 |
0,75 kW |
1x220V |
8.0 |
19 |
CMI8-20BT(△) |
||
|
VFWI-17S/8-26 |
1,1 kW |
1x220V |
8.0 |
26 |
CMI8-30BT(△) |
||
|
VFWI-17S/8-37 |
1,5 kW |
1x220V |
8.0 |
37 |
CMI8-40BT(△) |
||
|
VFWI-17S/8-46 |
2,2 kW |
1x220V |
8.0 |
46 |
CMI8-50BT(△) |
||
|
VFWI-17S/10-11 |
0.65 kW |
1x220V |
10.0 |
11 |
CMI10-1T(△) |
||
|
VFWI-17S/10-24 |
1,2 kW |
1x220V |
10.0 |
24 |
CMI10-2T(△) |
||
|
VFWI-17S/10-37 |
2,2 kW |
1x220V |
10.0 |
37 |
CMI10-3T(△) |
||
|
VFWI-17S/12-13 |
1KW |
1x220V |
12.0 |
13 |
CMI12-10T(△) |
||
|
VFWI-17S/12-20 |
1,5 kW |
1x220V |
12.0 |
20 |
CMI12-15T(△) |
||
|
VFWI-17S/12-28 |
1,65 kW |
1x220V |
12.0 |
28 |
CMI12-20T(△) |
||
|
VFWI-17S/12-33 |
2,2 kW |
1x220V |
12.0 |
33 |
CMI12-25T(△) |
||
|
VFWI-17S/12-9 |
0,75 kW |
1x220V |
12.0 |
9 |
CMI12-10BT(△) |
||
|
VFWI-17S/12-19 |
1,1 kW |
1x220V |
12.0 |
19 |
CMI12-20BT(△) |
||
|
VFWI-17S/12-29 |
1,85 kW |
1x220V |
12.0 |
29 |
CMI12-30BT(△) |
||
|
VFWI-17S/12-39 |
2,2 kW |
1x220V |
12.0 |
39 |
CMI12-40BT(△) |
||
|
VFWI-17S/15-12 |
1,2 kW |
1x220V |
15.0 |
12 |
CMI15-1T(△) |
||
|
VFWI-17S/15-29 |
2,2 kW |
1x220V |
15.0 |
29 |
CMI15-2T(△) |
||
|
VFWI-17S/16-10 |
1KW |
1x220V |
16.0 |
10 |
CMI16-10T(△) |
||
|
VFWI-17S/16-20 |
1,5 kW |
1x220V |
16.0 |
20 |
CMI16-20T(△) |
||
|
VFWI-17S/16-30 |
2,2 kW |
1x220V |
16.0 |
30 |
CMI16-30T(△) |
||
|
VFWI-17S/20-10 |
1KW |
1x220V |
20.0 |
10 |
CMI20-10T(△) |
||
|
VFWI-17S/20-20 |
1,85 kW |
1x220V |
20.0 |
20 |
CMI20-20T(△) |
|
Mudel |
Võimsus |
Sisendpinge |
Taastunud vooluhulk (m³/h) |
Nimetatud pea (m) |
kolmefaasiline PUMP mudel |
Väljundsagedus |
Rõhuandur |
|
VFWI-17T/1-18 |
0,25 kW |
3x380V |
1.0 |
18 |
CMI1-2T(Y) |
20--50Hz |
4--20mA, pluss 24 V, (10bar, 16bar,25bar) |
|
VFWI-17T/1-25 |
0,25 kW |
3x380V |
1.0 |
25 |
CMI1-3T(Y) |
||
|
VFWI-17T/1-33 |
0.37 kW |
3x380V |
1.0 |
33 |
CMI1-4T(Y) |
||
|
VFWI-17T/1-38 |
0.37 kW |
3x380V |
1.0 |
38 |
CMI1-5T(Y) |
||
|
VFWI-17T/1-46 |
0.37 kW |
3x380V |
1.0 |
46 |
CMI1-6T(Y) |
||
|
VFWI-17T/2-18 |
0,25 kW |
3x380V |
2.0 |
18 |
CMI2-2T(Y) |
||
|
VFWI-17T/2-24 |
0.37 kW |
3x380V |
2.0 |
24 |
CMI2-3T(Y) |
||
|
VFWI-17T/2-32 |
0,55 kW |
3x380V |
2.0 |
32 |
CMI2-4T(Y) |
||
|
VFWI-17T/2-40 |
0,55 kW |
3x380V |
2.0 |
40 |
CMI2-5T(Y) |
||
|
VFWI-17T/2-47 |
0,75 kW |
3x380V |
2.0 |
47 |
CMI2-6T(Y) |
||
|
VFWI-17T/3-15 |
0,25 kW |
3x380V |
3.0 |
15 |
CMI3-2T(Y) |
||
|
VFWI-17T/3-21 |
0.37 kW |
3x380V |
3.0 |
21 |
CMI3-3T(Y) |
||
|
VFWI-17T/3-28 |
0,55 kW |
3x380V |
3.0 |
28 |
CMI3-4T(Y) |
||
|
VFWI-17T/3-34 |
0,55 kW |
3x380V |
3.0 |
34 |
CMI3-5T(Y) |
||
|
VFWI-17T/3-38 |
0,75 kW |
3x380V |
3.0 |
38 |
CMI3-6T(Y) |
||
|
VFWI-17T/4-15 |
0.37 kW |
3x380V |
4.0 |
15 |
CMI4-2T(Y) |
||
|
VFWI-17T/4-25 |
0,55 kW |
3x380V |
4.0 |
25 |
CMI4-3T(Y) |
||
|
VFWI-17T/4-30 |
0,75 kW |
3x380V |
4.0 |
30 |
CMI4-4T(Y) |
||
|
VFWI-17T/4-40 |
1.{1}}KW |
3x380V |
4.0 |
40 |
CMI4-5T(Y) |
||
|
VFWI-17T/4-49 |
1,3 kW |
3x380V |
4.0 |
49 |
CMI4-6T(Y) |
||
|
VFWI-17T/5-13 |
0.37 kW |
3x380V |
5.0 |
13 |
CMI5-2T(Y) |
||
|
VFWI-17T/5-23 |
0,55 kW |
3x380V |
5.0 |
23 |
CMI5-3T(Y) |
||
|
VFWI-17T/5-27 |
0,75 kW |
3x380V |
5.0 |
27 |
CMI5-4T(Y) |
||
|
VFWI-17T/5-35 |
1.{1}}KW |
3x380V |
5.0 |
35 |
CMI5-5T(Y) |
||
|
VFWI-17T/5-44 |
1,3 kW |
3x380V |
5.0 |
44 |
CMI5-6T(Y) |
||
|
VFWI-17T/8-12 |
0,55 kW |
3x380V |
8.0 |
12 |
CMI8-10T(Y) |
||
|
VFWI-17T/8-20 |
0,75 kW |
3x380V |
8.0 |
20 |
CMI8-15T(Y) |
||
|
VFWI-17T/8-24 |
1KW |
3x380V |
8.0 |
24 |
CMI8-20T(Y) |
||
|
VFWI-17T/8-27 |
1,5 kW |
3x380V |
8.0 |
27 |
CMI8-25T(Y) |
||
|
VFWI-17T/8-36 |
1,85 kW |
3x380V |
8.0 |
36 |
CMI8-30T(Y) |
||
|
VFWI-17T/8-43 |
2,2 kW |
3x380V |
8.0 |
43 |
CMI8-35T(Y) |
||
|
VFWI-17T/8-48 |
2,2 kW |
3x380V |
8.0 |
48 |
CMI8-40T(Y) |
||
|
VFWI-17T/8-9 |
0,55 kW |
3x380V |
8.0 |
9 |
CMI8-10BT(Y) |
||
|
VFWI-17T/8-19 |
0,75 kW |
3x380V |
8.0 |
19 |
CMI8-20BT(Y) |
||
|
VFWI-17T/8-26 |
1,1 kW |
3x380V |
8.0 |
26 |
CMI8-30BT(Y) |
||
|
VFWI-17T/8-37 |
1,5 kW |
3x380V |
8.0 |
37 |
CMI8-40BT(Y) |
||
|
VFWI-17T/8-46 |
2,2 kW |
3x380V |
8.0 |
46 |
CMI8-50BT(Y) |
||
|
VFWI-17T/8-52 |
3 kW |
3x380V |
8.0 |
52 |
CMI8-60BT(Y) |
||
|
VFWI-17T/10-11 |
0.65 kW |
3x380V |
10.0 |
11 |
CMI10-1T(Y) |
||
|
VFWI-17T/10-24 |
1,2 kW |
3x380V |
10.0 |
24 |
CMI10-2T(Y) |
||
|
VFWI-17T/10-37 |
2,2 kW |
3x380V |
10.0 |
37 |
CMI10-3T(Y) |
||
|
VFWI-17T/10-52 |
3 kW |
3x380V |
10.0 |
52 |
CMI10-4T(Y) |
||
|
VFWI-17T/10-65 |
3 kW |
3x380V |
10.0 |
65 |
CMI10-5T(Y) |
||
|
VFWI-17T/12-13 |
1KW |
3x380V |
12.0 |
13 |
CMI12-10T(Y) |
||
|
VFWI-17T/12-20 |
1,5 kW |
3x380V |
12.0 |
20 |
CMI12-15T(Y) |
||
|
VFWI-17T/12-28 |
1,65 kW |
3x380V |
12.0 |
28 |
CMI12-20T(Y) |
||
|
VFWI-17T/12-33 |
2,2 kW |
3x380V |
12.0 |
33 |
CMI12-25T(Y) |
||
|
VFWI-17T/12-39 |
3 kW |
3x380V |
12.0 |
39 |
CMI12-30T(Y) |
||
|
VFWI-17T/12-9 |
0,75 kW |
3x380V |
12.0 |
9 |
CMI12-10BT(Y) |
||
|
VFWI-17T/12-19 |
1,1 kW |
3x380V |
12.0 |
19 |
CMI12-20BT(Y) |
||
|
VFWI-17T/12-29 |
1,85 kW |
3x380V |
12.0 |
29 |
CMI12-30BT(Y) |
||
|
VFWI-17T/12-39 |
2,2 kW |
3x380V |
12.0 |
39 |
CMI12-40BT(Y) |
||
|
VFWI-17T/12-50 |
3 kW |
3x380V |
12.0 |
50 |
CMI12-50BT(Y) |
||
|
VFWI-17T/15-12 |
1,2 kW |
3x380V |
15.0 |
12 |
CMI15-1T(Y) |
||
|
VFWI-17T/15-29 |
2,2 kW |
3x380V |
15.0 |
29 |
CMI15-2T(Y) |
||
|
VFWI-17T/15-44 |
4KW |
3x380V |
15.0 |
44 |
CMI15-3T(Y) |
||
|
VFWI-17T/15-61 |
5,5 kW |
3x380V |
15.0 |
61 |
CMI15-4T(Y) |
||
|
VFWI-17T/16-10 |
1KW |
3x380V |
16.0 |
10 |
CMI16-10T(Y) |
||
|
VFWI-17T/16-20 |
1,5 kW |
3x380V |
16.0 |
20 |
CMI16-20T(Y) |
||
|
VFWI-17T/16-30 |
2,2 kW |
3x380V |
16.0 |
30 |
CMI16-30T(Y) |
||
|
VFWI-17T/16-40 |
3 kW |
3x380V |
16.0 |
40 |
CMI16-40T(Y) |
||
|
VFWI-17T/20-10 |
1KW |
3x380V |
20.0 |
10 |
CMI20-10T(Y) |
||
|
VFWI-17T/20-20 |
1,85 kW |
3x380V |
20.0 |
20 |
CMI20-20T(Y) |
||
|
VFWI-17T/20-31 |
3 kW |
3x380V |
20.0 |
31 |
CMI20-30T(Y) |
Kuum tags: sagedusajamiga konstantse rõhuga veepump, Hiina sagedusajami konstantse rõhuga veepumba tootjad, tarnijad, tehas
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