Submittal Sheet

FL100_P5 R12/20/2012 ©Copyright 2012 Liberty Pumps Inc. All rights reserved. Specifications subject to change without notice.
5.01 MOTORS
Single phase motors shall be oil filled, PSC, class B insulated NEMA B design, rated for continuous duty. Three phase motors
shall be polyphase. At maximum load the winding temperature shall not exceed 130 degrees C unsubmerged. Since air filled
motors are not capable of dissipating heat they shall not be considered equal. The single phase pump motor shall have an integral
thermal overload switch in the windings for protecting the motor.
6.01 BEARINGS AND SHAFT
Upper and lower radial bearings shall be required. The bearings shall be a single ball / race type bearing designed to handle axial
pump thrust loads. Both bearings shall be permanently lubricated by the oil, which fills the motor housing. The motor shaft shall be
made of 17-4 PH stainless steel and have a minimum diameter of .625".
7.01 SEALS
The pump shall have a dual seal arrangement consisting of a lower and upper seal to protect the motor from the pumping liquid.
The lower seal shall be a FKM fluoroelastomer OR Buna N molded double lip seal, designed to exclude foreign material away
from the main upper seal. The upper seal shall be a unitized carbon ceramic hard face seal with stainless steel housings and
spring. The motor plate / housing interface shall be sealed with a Buna-N oring.
8.01 IMPELLER
The impeller shall be a class 25 cast iron 2 vane impeller, with pump out vanes on the back shroud to keep debris away from the
seal area. it shall be screw mounted to the motor shaft with a bonding agent.
9.01 CONTROLS
All single phase units can be supplied with CSA and UL approved automatic wide angle tilt float switches. The switches shall be
equipped with piggy back style plug that allows the pump to be operated manually without the removal of the pump in the event
that a switch becomes inoperable. Manual Pumps are operable by means of a pump control panel.
10.01 PAINT
The exterior of the casting shall be protected with Powder Coat Epoxy or Polyester paint.
11.01 SUPPORT
The pump shall have cast iron support legs, enabling it to be a free standing unit. The legs will be high enough to allow ¾” solids
handling.
12.01 SERVICEABILTY
Components required for the repair of the pump shall be shipped within a period of 24 hours.