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Multi-stage submersible pump for raw water supply, groundwater lowering and pressure boosting. The pump is suitable for pumping clean, thin, non-aggressive liquids without solid particles or fibers.
Liquid:
Pumped liquid: Water Liquid max temp: 60 øC
Selected liquid temperature: 20 øC
Density: 998.2 kg/m3
Technical:
Pump speed on which pump data are based: 3450 rpm
Rated flow: 6 m3/h
Rated head: 172 m
Actual impeller diameter: 72.9 mm
Curve tolerance: ISO9906:2012 3B
Specification for shaft end: SPLINE
Materials:
Pump: Stainless steel
EN 1.4301
AISI 304
Impeller: Stainless steel
EN 1.4301
AISI 304
Installation:
Pump outlet: 1 1/2"NPT
Motor diameter: 4 inch
Electrical data:
Rated power - P2: 4 kW
Power (P2) required by pump: 4 kW
Start. method: direct-on-line
Others:
DOE Pump Energy Index CL: 0.93
ErP status: EuP Standalone/Prod.
Net weight: 7.3 kg
Gross weight: 8.2 kg
Shipping volume: 0.016 m3
Features:
- State-of-the-art hydraulics provide high efficiency and low operating costs
- 100 % stainless steel inside and outside
- Sand resistant
- Resistant to aggressive water
- Reduces risk of corrosion
Specifications:
- 7-1/2 HP required
- 3450 RPM
- 39 stages
- 1-1/2" NPT Discharge
- 25 GPM Best Efficiency Flow
- 1130.89 ft. Max Head
- 304 Stainless Steel
Features
Design: Capable of grinding domestic sewage and individual residential applications.
Cutter system: Anti-roping design. Two blade rotary cutter is threaded to shaft. Stationary cutter ring is reversible for extended service.
Impeller: Silicon bronze semi-open, Non overloading two-vane design with pump-out vanes for mechanical seal protection. Balanced for smooth operation.
Casing: cast-iron, volute type for high efficiency. Adaptable for guide rail system.
Motor: fully submerged in oil-filled chamber. High grade turbine oil surrounds motor for more efficient heat dissipation, permanent lubrication of bearings and mechanical seal, and protection against outside environment.
Motor shaft: 300 series stainless steel, short overhang for minimum shaft deflection.
Designed for continuous operation: Pump ratings are within the motor manufacturers recommended working limits, can be operated continuously without damage when fully submerged.
Bearings: Upper and lower ball bearings for precision positioning of parts and to carry all radial and thrust loads.
Mechanical Seal: Hardfaced Silicon carbide for longer life, stainless steel metal parts, BUNA-N elastomers.
Power Cable: Severe duty rated, oil and water resistant. Epoxy seal on motor end provides secondary moisture barrier in case of outer jacket damage and to prevent oil wicking.
O-Ring: Assures positive sealing against contaminants and oil leakage.
Paint: Electro-coat paint process protects all casting surfaces.
May be used with optional guide rail.
SPECIFICATIONS
Pump:
- Capacities: to 41 GPM
- Total heads: to 95' TDH
- Discharge: 1 1⁄4" NPT
- Temperature: 104ºF (40ºC) maximum continuous,140ºF (60ºC) maximum intermittent
- Single mechanical seal: silicon carbide rotary/silicon carbide stationary, 300 series stainless steel metal parts, BUNA-N elastomers
- Fasteners: 300 series stainless steel
- Rotating cutter and cutter ring: 440 C hardened stainless steel
MOTOR:
- Single phase: 2 HP, 60 Hz, 3450 RPM, 208/230 V, capacitor start with on winding thermal protector. No external capacitor kits required.
- Class F insulation
- Shaft: 300 series stainless steel threaded design
- Bearings: ball bearings upper and lower
- Use for connections in a control panel or junction box
- Standard length 20', 14/3 STOW
- Optional lengths of 30',50' and 100'
Click on MORE INFO above to view the Technical Brochure.
FEATURES
- Powered for Continuous Operation: All ratings are within the working limits of the motor as recommended by the motor manufacturer. Pump can be operated continuously without damage to the motor.
- Field Serviceable: Units have left hand threads and are field serviceable with common tools and readily available repair parts.
- Sand Handling Design: Our face clearance, floating impeller stack has proven itself for over 50 years as a superior sand handling, durable pump design.
- FDA Compliant Non-Metallic Parts: Impellers, diffusers and bearing spiders are constructed of glass filled engineered composites. They are corrosion resistant and non-toxic.
- Discharge Head/Check Valve: Cast 303 stainless steel for strength and durability. Two cast-in safety line loops for installer convenience. The built-in check valve is constructed of stainless steel and FDA compliant BUNA rubber for abrasion resistance and quiet operation.
- Motor Adapter: Cast 303 stainless steel for rigid, accurate alignment of pump and motor. Easy access to motor mounting nuts using standard open end wrench.
- Stainless Steel Casing: Polished stainless steel is strong and corrosion resistant.
- Hex Shaft Design: Six sided shafts for positive impeller drive.
- Engineered Polymer Bearings: The proprietary, engineered polymer bearing material is strong and resistant to abrasion and wear. The enclosed upper bearing is mounted in a durable Noryl® bearing spider for excellent abrasion resistance.
Click on MORE INFO above to view the Technical Brochure.
FEATURES
- Powered for Continuous Operation: All ratings are within the working limits of the motor as recommended by the motor manufacturer. Pump can be operated continuously without damage to the motor.
- Field Serviceable: Units have left hand threads and are field serviceable with common tools and readily available repair parts.
- Sand Handling Design: Our face clearance, floating impeller stack has proven itself for over 50 years as a superior sand handling, durable pump design.
- FDA Compliant Non-Metallic Parts: Impellers, diffusers and bearing spiders are constructed of glass filled engineered composites. They are corrosion resistant and non-toxic.
- Discharge Head/Check Valve: Cast 303 stainless steel for strength and durability. Two cast-in safety line loops for installer convenience. The built-in check valve is constructed of stainless steel and FDA compliant BUNA rubber for abrasion resistance and quiet operation.
- Motor Adapter: Cast 303 stainless steel for rigid, accurate alignment of pump and motor. Easy access to motor mounting nuts using standard open end wrench.
- Stainless Steel Casing: Polished stainless steel is strong and corrosion resistant.
- Hex Shaft Design: Six sided shafts for positive impeller drive.
- Engineered Polymer Bearings: The proprietary, engineered polymer bearing material is strong and resistant to abrasion and wear. The enclosed upper bearing is mounted in a durable Noryl® bearing spider for excellent abrasion resistance.
Click on MORE INFO above to view the Technical Brochure.
SCALA2 incorporates integrated speed control enabling perfect water pressure at the taps, meaning that the pump performance will increase with increasing demand. SCALA2 can be installed in three easy steps: 1. Connect the pipes. 2. Prime the pump. 3. Plug the pump into the power outlet and the pump will start.
Grundfos SCALA2 has all the components necessary to ensure a comfortable pressure:
- intelligent controller
- integrated speed-controlled drive
- integrated tank
- integrated sensors
- integrated non-return valve
Features
- Adjustable constant pressure
- Low noise, < 47 dB(A) (in typical use)
- Compact
- Robust and reliable
- Easy installation and self-priming
- Dry-running protection
Applications
Grundfos SCALA2 is designed for pressure boosting in one-family houses and apartments. We recommend SCALA2 for the following applications:
- pressure boosting of city mains water
- pressure boosting of water from roof tank
- pressure boosting of water from break tank
- pressure boosting of water from ground tank
- water supply from shallow wells (< 26 1/4 ft / 8 m).
Performance
SCALA2 is suitable for houses with up to three floors and eight tapping points.