Submersible Pumps (4" Silver line series)
Discover the advanced capabilities of C.R.I.’s 4″ Silver Line Series Submersible Pumps, meticulously engineered for deep well applications. These multistage centrifugal pumps feature either radial or mixed flow impellers, making them ideal for installation in 4″ and larger diameter borewells.
Engineered for high efficiency, these pumps incorporate a stainless steel non-return valve and a floating impeller design, enhancing performance while minimizing energy consumption. Perfect for residential, agricultural, and landscape applications, the 4″ Silver Line Series offers a reliable and efficient water delivery solution, ensuring your water needs are met with precision and durability. Trust C.R.I. for superior water management technology that delivers consistent and long-lasting results.
Applications
- Residence
- Agriculture
- Gardens
- Sprinkler systems
- Fountains
- Building services
Key Features
- High efficiency
- Stainless steel non return valve and suction inter connector
- Floating impeller for better efficiency
- Can be easily dismantled and repaired
- NEMA mountings
All you need to know about - Submersible Pumps (4” Silver line series)
Specifications
| Nominal Diameter | 4″ (Silver line Series) |
| Power Range | 0.37 – 7.5 kW |
| Speed | 2900 rpm |
| Maximum Flow Rate | 24 m³/h |
| Maximum Head | 270 m |
| Outlet Sizes | 1¼”, 1½” & 2″ |
Material of Construction
| PART NAME | EUROPEAN | DIN | AISI/SAE |
|---|---|---|---|
| Check valve Housing / Suction inter Connector | X5CrNi 18 9 | 1.4308 | ASTM A743 CF8 |
| Check valve | Delrin | Delrin | Delrin |
| Check valve seat | Standard – NBR (Buna – N) | Standard – NBR (Buna – N) | Standard – NBR (Buna – N) |
| Outer shell | X5CrNi 18 9 | 1.4301 | ASTM A240 AISI 304 |
| Impeller | 1E – 5m³/h – Delrin 8 – 18m³/h – Noryl |
1E – 5m³/h – Delrin 8 – 18m³/h – Noryl |
1E – 5m³/h – Delrin 8 – 18m³/h – Noryl |
| Diffuser chamber | 14m³/h – Poly Carbonate Other Models – Noryl |
14m³/h – Poly Carbonate Other Models – Noryl |
14m³/h – Poly Carbonate Other Models – Noryl |
| Intermediate Bearing (sleeve / bush) | 1E – 5m³/h (upto 1.5kW) – X12Cr13 1E – 5m³/h (Above 2.2kW) – X5CrNi 18 10 |
1E – 5m³/h (upto 1.5kW) – 1.4006 1E – 5m³/h (Above 2.2kW) – 1.4301 |
1E – 5m³/h (upto 1.5kW) – ASTM A276 AISI 410 1E – 5m³/h (Above 2.2kW) – ASTM A276 AISI 304 |
| Inlet screen | X5CrNi 18 9 | 1.4301 | ASTM A240 AISI 304 |
| Pump shaft | 1E – 5m³/h (upto 1.5kW) – X12Cr13 1E – 5m³/h (Above 2.2kW) – X5CrNi 18 10 |
1E – 5m³/h (upto 1.5kW) – 1.4006 1E – 5m³/h (Above 2.2kW) – 1.4301 |
1E – 5m³/h (upto 1.5kW) – ASTM A276 AISI 410 1E – 5m³/h (Above 2.2kW) – ASTM A276 AISI 304 |
| Coupling | 1E – 5m³/h (upto 1.5kW) – X12Cr13 1E – 5m³/h (Above 2.2kW) – X5CrNi 18 10 |
1E – 5m³/h (upto 1.5kW) – 1.4006 1E – 5m³/h (Above 2.2kW) – 1.4301 |
1E – 5m³/h (upto 1.5kW) – ASTM A276 AISI 410 1E – 5m³/h (Above 2.2kW) – ASTM A276 AISI 304 |
| Spline | 1E – 5m³/h (upto 1.5kW) – NA 1E – 5m³/h (Above 2.2kW) – X3CrNiMo 27 5 |
1E – 5m³/h (upto 1.5kW) – NA 1E – 5m³/h (Above 2.2kW) – 1.4460 |
1E – 5m³/h (upto 1.5kW) – NA 1E – 5m³/h (Above 2.2kW) – ASTM A789 AISI 329 |
| Cable guard | X5CrNi 18 9 | 1.4301 | ASTM A240 AISI 304 |
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