Stuart Turner Boostamatic4S/L7-4S - Manual (Page 3)

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PRODUCT DESCRIPTION
Electric motor driven pump complete with flow switch, pressure switch, pressure vessel
and electronic control.
Motor
Class ‘F’ insulation, totally enclosed fan ventilated cooling, continuously rated.
All motors are induction type, permanent capacitor, fitted with integral auto resetting
thermal overload protection and comply with BS5000 or IEC 34-1. Enclosure ratings are
given in the technical specification section.
Pump
Close coupled to motor.
4000 & 6000 are of single stage, end suction, peripheral design.
K7-2 is of single stage, end suction, centrifugal design.
L5-4S & L7-4S are of four stage, end suction, centrifugal design.
Standard pump materials of construction of major wetted parts are as follows:-
Model Body Impeller Shaft Mechanical Seal
4000 Brass Brass Stainless Steel Nitrile/Carbon/Ceramic
6000 Brass Brass Stainless Steel Nitrile/Carbon/Ceramic
K7-2 Brass Plastic Stainless Steel Nitrile/Carbon/Ceramic
L5-4S
Stainless Steel Plastic Stainless Steel
Nitrile/Carbon/Silicone
Carbide
L7-4S