4″ Water Pump
Details
The ES-CP41 4-inch pump by ESI pairs a Cornell Pump and Kubota diesel engine for power, performance, and durability without compromise.
The STX-Series self-priming pump by Cornell is durable, reliable, and easy to maintain with an industry leading efficiency rating. It features ductile iron construction, patented Cycloseal® sealing system, and a uniquely designed volute for best performance. Driven by a Kubota diesel engine with a maximum shaft power of 24.8hp, this 4-inch pump set delivers a 900+ gpm flow rate with 3-inch solids handling and a 90-foot max head.
The ES-CP41 is available in ESI-built skid-mounted and trailer-mounted options. Both Arctic Tough configurations include built-in 25-gallon fuel tanks.
Pump
- Cornell STX-Series premium efficiency, self-priming pump
- Ductile iron construction
- Heavy-duty bearings with separate oil reserve
- External seal leakage monitor for dual-bearing protection
- Back pull out design for ease of maintenance
- Self-cleaning adjustable wear plate
- Easily replaceable suction check valve
- Shimless impeller
Engine
- Kubota V1505 or V1703 (ES-CP40), variable speed diesel engine
- DSE control panel for ease of operation and engine speed monitoring
- Racor fuel and water separator
Skid/Trailer
- Rugged, Arctic Tough designs by ESI
- 25-gallon built-in fuel tank
Specifications
| Pump | |
|---|---|
| Pump | Cornell 4STX-EM4 |
| Suction | 4″ 125# flangeASTM A536 Grade 65-45-12 ductile iron suction |
| Discharge | 4″ 125# flange |
| Max flow | 900 gpm |
| Max head (lift) | 90′ (27.4 m) |
| Max solids size | 3″ (76mm) |
| Max speed | 2100 rpm |
| Impeller | Semi-open design, 2 vane3″ Spherical solids handling capabilityASTM A536 Grade 100-70-03 ductile iron |
| Pump and drive end bearings | Radial bearing single-row ball and thrust bearing double-row ball |
| Bearing house material | ASTM A48 Class 30/35 gray iron |
| Shaft material | 1144 Stress-proof steel chromed and gray iron |
| Volute casing | ASTM A536 Grade 65-45-12 ductile ironTangential discharge with cleanoutClockwise rotation (viewed from driven end) |
| Mechanical seal | Single-type sealTungsten carbide vs. silicon carbide seal facesViton elastomers300 Series stainless steel hardware and spring |
| Engine | |
| Engine | Kubota V1505 or D1703 (ES-CP40), variable speed |
| Max shaft power | 24.8 hp |
| Fuel type | ULSD |
| Fuel capacity | 25 gal |
| Fuel consumption | 1.3 gph @ 2000 rpm |
| Dimensions | |
| Skid-mounted weight | Dry: 1523 lb (691 kg) Wet: 1722 lb (781 kg) |
| Trailer-mounted weight | Dry: 1743 lb (791 kg) Wet: 1941 lb (880 kg) |
Model #
ES-CP41
Manufacturer
ESI
Category
Pumps
Highlight Specs
Engine HP: 35hp
Max GPM: 900
Max Head (ft): 90
Max Solids Handling: 3"
Priming System: Self-Priming
Configuration: Skid or Trailer
Images
