- Bearing Wholesalers
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- Address258 Bearing Wholesalers Center Hill, Singapore 628925
- Factory Address258 Bearing Wholesalers Center Hill, Singapore 628925
- Worktime9: 00-18: 00 (بتوقيت بكين)
- Phone(Working Time)+6531591338
- Phone(Nonworking Time)+6531591338
- Fax+6531591338
Main pump
Contact NowBearing Wholesalers complete pumping systems and solutions for buildings, industry and every aspect of water use. Select your market area below and find out more about how Grundfos meets requirements for energy efficiency and resource management for your application.
In heating and air conditioning systems, water must be distributed from the supply system to the point of consumption. This is done by means of main pumps.
Larger systems can be divided into several pipe circuits with each their local pump. The main pump is the pump that distributes the total amount of water from the supply source.
Due to variations in heat demand and flow in large systems, it is recommended to use speed controlled pumps in parallel as main pumps. By using speed controlled pumps it is also possible to obtain maximum energy savings.
A maximum of three pumps plus one standby pump is recommended.
| Bearing Number | Bore Dia | Outer DIa | Width | Size |
|---|---|---|---|---|
| Parker Piston Pump 400481003745 PV140R9K4B4NWLZ+PGP517A0 | 1 pcs | Negotiable | - | - |
| Parker Piston Pump 400481005137 PV140R2L4LKWMMW+PV080R2L | 1 pcs | Negotiable | - | - |
| Parker Piston Pump 400481002973 PV180R1K1L2NZCC+PV180R1L | 1 pcs | Negotiable | - | - |
| USA VICKERS Pump PVH141R13AF30B252000001001AB010A | 1 pcs | Negotiable | - | - |
| USA VICKERS Pump PVM057ER09ES02AAC07200000A0A | 1 pcs | Negotiable | - | - |
| Japan Dakin original pump V15A3R-95RC | 1 pcs | Negotiable | - | - |
| Henyuan Y series piston pump 80MCY14-1B | 1 pcs | Negotiable | - | - |
| USA VICKERS Pump PVH074R01AA60E252009001001AE010A | 1 pcs | Negotiable | - | - |
| USA VICKERS Pump PVM020ER07CS02AAC2320000AA0A | 1 pcs | Negotiable | - | - |
| Parker Piston Pump 400481002661 PV180R1L1L2N001+PV180R1L | 1 pcs | Negotiable | - | - |
| Japan Dakin original pump V50A2RX-20 | 1 pcs | Negotiable | - | - |
| Parker Piston Pump 400481004908 PV180R1K4T1VMRZ+PVAC1ECM | 1 pcs | Negotiable | - | - |