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Model MS Series

Vertical Multi-Stage Deep Well Jet Pumps

The MS Series Vertical Jet Pumps are the industry standard deep well jet pumps for over-the-well "bolt-on" installations.  These pumps include the pre-plumbed BERKELEY® external automatic regulator, pressure gauge, pressure switch, and a complete line of casing adapters to drive the 4" double pipe or 2" and 3" single pipe jet packages.

Key Features
  • Automatic Pressure Regulator With a Faster Acting and Quieter Design Eliminates "Hunting" For the Correct Drive Pressure.  New Improved Stem and Guide are Precisely Molded to Assure Efficient, Trouble-Free Performance On All Deep Wells
  • Quality Built Precision Machined, Close Grained Cast Iron Body and Base Are Specially Treated to Resist Corrosion
  • Precision Molded Noryl Impellers for Perfect Balance.  Ultra-Smooth for Highest Performance and Efficiency
  • High Quality Pressure Switch With Adjustable Differential and Cut-In/Cut-Out Pressure Settings
  • Superior Insulation Materials Protect Motor Against Excessive Moisture and Contaminants to Ensure Prolonged Motor Life
  • Mechanical Shaft Seal Has Precision Lapped and Highly Polished Carbon-Ceramic Surfaces.  Internal Design Guarantees Continuous Water Lubrication For Maximum Protection
  • Dustproof Motor Cover Protects All Electrical Components From Dirt, Dust, and Insects.  Ventilating Air Cannot Contaminate Vital Switching Components
  • Dynamically Balanced Rotor is Die Cast Under High Pressure For Uniform Performance and Greater Efficiency
  • Heavy-Duty Permanently Lubricated Ball Bearings Are Extensively Tested To Ensure Extended Life and Smooth, Quiet Operation
  • One-Piece Stainless Steel Threaded Pump and Motor Shaft for Positive Impeller Drive and Alignment. 

12 months from date of original installation, or 18 months from date of manufacture



HORSEPOWER:  Available in 1, 1-1/2, and 2 HP

VOLTAGE:  1 HP model: 115v/230v, 1-1/2 & 2 HP models: 230v, 60 Hz

BODY:  Rugged Cast Iron

PUMP and MOTOR SHAFT:  416 Stainless Steel


DIFFUSER:  Close-Grained Cast Iron

PORT SIZES:  Suction: 1-1/4" / Drive: 1-1/4" / Discharge: 1"

:  . . . . Noryl (R) is a registered trademark of SABIC Innovative Plastics IP BV

Owner's Manual: MS Series
Instructions: Pressure Switch Adjustment
Sell Sheet: MS Series