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 48503 Shallow / Deep Well Prime Jet Pump Brochure |
