The Berkeley B20P4MS10231-02 MS Series Stainless Steel 4" Submersible Pump is built with a floating impeller to resist sand locking and proven SignaSealTM staging system. Berkeley tests all pumps before they leave the factory allowing you to purchase and install with confidence. Designed and manufactured by Pentair Berkeley, a trusted name in the industry.

Picture is a stock series photo - it may not match your model. Please contact customer service for assistance selecting the correct product.

Pump Material: Stainless Steel

Voltage:  230V

Motor:  1 HP, Single Phase

Stages:  7

Flow Rate:  20 GPM - See Chart

Discharge:  1-1/4" NPT

Length:  27-1/4"

Weight:  34 lbs

Pentair Berkeley MS Series Stainless Steel 4" Submersible Pumps

Applications:

• Water systems… for residential, industrial, commercial, multiple housing and farm use.

Features: 

• Proven Staging System – Our proven SignaSeal staging system incorporates a harder-than-sand ceramic wear surface that when incorporated with our floating impeller design, greatly reduces problems with abrasives, sand lock-up and running dry.
• Discharge – Corrosion-resistant 300 grade stainless steel for durability in aggressive water. Large wrench flats for ease of installation.
• Discharge Bearing – Self lubricating Nylatron® bearing resists wear from sand. 
• Intake – Corrosion-resistant 300 grade stainless steel for durability in aggressive water.
• Shaft – Positive drive from 7/16" hexagonal heavy-duty 300 grade stainless steel.
• Coupling – Stainless steel press fit to pump shaft. Couples to all standard NEMA motors.
• Shell – Highest grade, heavywalled corrosion-resistant stainless steel. Threaded for easy servicing.
• Hardware – All screws, washers and nuts are corrosion-resistant 300 grade stainless steel.
• Check Valve✝ – Durable internal spring-loaded check valve.
• Cable Guard – Corrosion-resistant stainless steel guard protects motor leads. Tapered ends prevent pump from catching on well.
• Intake Screen – Corrosion-proof.
• PENTEK® XE SeriesTM Motor – 2 and 3 wire NEMA standard all stainless construction water-filled motors.

Specifications: 

• Shell – Stainless steel
• Diameter – 3-7/8"
• Discharge – Stainless steel Discharge
• Bearing – Nylatron® Intermediate
• Bearing – (On larger units) Polycarbonate, nitrile rubber and stainless steel
• Impellers – Acetal
• Diffusers – Polycarbonate
• Suction Caps – Polycarbonate with stainless steel insert
• Thrust Pads – Proprietary spec.
• Shaft and Coupling – Stainless steel
• Intake – Stainless steel
• Intake Screen – Polypropylene
• Cable Guard – Stainless steel
• Check Valve – Acetal✝
• Agency Listings – CSA