PRODUCT INFORMATION
PRIME JET
A rugged single-stage jet-assisted pump, the Prime Jet is fitted with a pressure switch and suitable for bores or deep wells up to 50m. A solid cast iron casing with a cast bronze impeller ensures long-term protection against vermin, dust and water, and is convertible to either shallow or deep well options through the use of injector kits.
Single stage convertible jet assisted centrifugal pumps driven by single or three phase TEFC motors. Pump fitted with pressure switch for easy conversion to automatic operation.
APPLICATIONS
- Water supply from dams, creeks, rivers and bores
- Tank filling
- Stock watering
- Sprinkler supply
FEATURES & BENEFITS
WHY CHOOSE THE Davey Prime Jet 240 Shallow & Deep Well Pumps?
Single-stage (one impeller) convertible jet-assisted centrifugal pump
- Simple design
- Less prone to blockage than multistage pumps
Solid cast iron casing with cast bronze impeller
- Robust construction for long life
Pressure switch fitted and pressure gauge supplied
- Ease of installation
In-built thermal overload protection with automatic reset in 1Ø model
- Provides motor protection against low voltage and/or high ambient temperatures
High TEFC - IP rating
- Long-term protection against vermin, dust and water
Convertible to shallow or deep well options by choice of either shallow well or deep well injector kits
- Versatile, suitable for many applications
Deep well models come with automatic demand response (ADR) valve
- Maintains jet drive pressure
- Helps prevents loss of prime
TECHNICAL DATA
OPERATING LIMITS
| Maximum shallow well capacity (@210kPa, nil suction) | 238 lpm |
| Maximum shallow well suction head | 7.5m |
| Maximum deep well suction head | 50m |
| Maximum water temperature | 50ºC |
| Minimum water temperature | 1ºC |
ELECTRICAL DATA
| Type | 48501 | 48501 | 48503 |
| Supply voltage | 240V | 480V | 415V |
| Phase | Single | Single | Three |
| Hz | 50 | 50 | 50 |
| Speed | 2 pole, 2850 rpm | 2 pole, 2850 rpm | 2 pole, 2850 rpm |
| Input power (P1) | 3.2 | 3.2 | 3.0 |
| Output power (P2) | 2.5 | 2.6 | 2.3 |
| Capacitor | 40μ | 40μ | - |
| Maximum rated current (FL) | 14A | 7A | 5.1A |
| Locked rotor current | 52A | 26A | 23.6A |
| Insulation class | F | F | F |
| IP rating | IP56 | IP56 | IP56 |
| Starting | P.S.C. | P.S.C. | D.O.L. |
Single-phase units should be restricted to no more than 20 starts per hours. Three-phase units must be connected via a magnetic contactor with “quick-trip” or M10 rated overloads. Single phasing protection is strongly recommended.
MATERIALS OF CONSTRUCTION
| PART | MATERIAL |
| Yoke | Cast iron* |
| Pump body | Cast iron* |
| Discharge port | Cast iron* |
| Diffuser | Cast bronze |
| Shallow well jet / venturi housing | Cast iron* |
| Deep well injector housing | Cast bronze |
| Deep well pipe fittings | Brass |
| Deep well pipe clamps | 316 stainless steel |
| Impeller | Cast bronze |
| Jet (shallow well) | Brass |
| Jet (deep well) | Acetyl / brass |
| Venturi (shallow well) | Brass |
| Venturi (deep well) | Glass filled nylon |
| Seal ring (stationary) | Ceramic |
| Seal ring (rotating) | Carbon |
| O-rings | Nitrile rubber |
| Priming plug | Brass |
DRAWINGS
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LITERATURE
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Davey 48501 Shallow / Deep Well Prime Jet Pump Brochure |
