The BT4 Horizontal Booster Pump is a low to medium capacity, high pressure, multi-stage unit. The BT4 can function as a multi-purpose high pressure pump, boosting water pressure from either city mains or private water systems. It is also ideal for applications that require more pressure than flow. Size ranges from 5 GPM to 45 GPM.

Franklin Electric Horizontal Multi-Stage Booster Pump Applications

• Boosting Water Pressure From City Mains or Private Water Systems
• Pressure Washing Buildings and Floors
• Poultry Houses
• Spray Cooling Equipment
• Lawn and Crop Irrigation
• Evaporative Cooling System Misters
• Water Circulation
• General Purpose Plumbing
• Reverse Osmosis
• Filtration

Franklin Electric Horizontal Multi-Stage Booster Pump Features

• Designed for Boosting Water Pressure from a Variety of Sources Including Municipal and Private Water Systems
• Enhanced Hydraulics for 35 & 45 GPM Nominal Ratings to Deliver More Efficient Pressure Boosting
• Robust Stainless Steel Bracket, Shell & Discharge Provide Optimum Corrosion Protection
• Equipped With 1.5" NPT Connections at Inlet and Outlet Minimize System Friction Loss
• Versatile Bracket can be Rotated in 90° Increments for Simplified, Compact Plumbing Arrangements
• Multiple Bracket Drain & Pressure Tappings Enable Draining in any Position and Provide for Bypass and Accessory Plumbing
• Back Pull-Out Design Enables Motor Removal for Servicing Without Disturbing Either the Pump or Plumbing
• NEMA Standard 56C Keyed Shaft Motors are Readily Available in ODP, TEFC Enclosures; 1 & 3-Phase for Common Voltages
• Pump Ends (less motors) Available to Fit an Existing 56C Motor
• Carbon-Ceramic-FKM Mechanical Seal is Capable of Handling a Variety of Fluids
• Maximum Inlet Pressure: 75 PSI
• Maximum Discharge Pressure: 400 PSI
• Maximum Fluid Handling Temperature:  120 °F (49 °C) 

Franklin Electric 3509FBT3S4-S Booster Pump Specifications

• DISCHARGE SIZE: 1.5" NPT
• INLET SIZE: 1.5" NPT
• MAXIMUM CAPACITY: 12 GPM
• MAXIMUM HEAD: 290'
• STAGES: 9
• FULL LOAD AMPS: 15.7-14.2
• IMPELLER DESIGN: Closed; Acetal
• BODY CONSTRUCTION: Stainless Steel
• HORSEPOWER: 3.0
• MOTOR TYPE: ODP (Open Drip Proof)
• VOLTAGE: 1ø, 230V
• MAXIMUM LIQUID TEMPERATURE: 120°F/49°C

Franklin Electric Horizontal Multi-Stage Booster Pump Curve

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Franklin Electric High Performance Booster Pump Product Pages

Franklin Electric High Performance Booster Pump Owner's Manual