MS Series - Vertical Multi-Stage

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