Goulds Pumps 3296 EZMAG - IOM - Manual (Page 14)

Product Description
Product Description
General description
Model 3296 EZMAG
The Model 3296 EZMAG is a sealless centrifugal pump with an enclosed impeller that is driven
by a synchronous magnetic coupling. Model 3296 EZMAG meets the dimensional standards of
ANSI B73.1.
Casing
The casing is top centerline discharge and is self-venting. It incorporates a fully-confined
gasket with ANSI Class 150 flanges that are serrated and raised-faced. ANSI Class 300
flanges that are serrated and raised-face are optional. The 3296 EZMAG is designed to have a
metal-to-metal fit between the casing and the backplate.
Magnetic coupling
The magnetic coupling is a coaxial synchronous type that uses rare earth magnets. This
concept results in a compact design and allows the impeller to turn at the same speed as the
motor, which means that there is no slip between the drive and the driven magnets.
Magnets
Two types of rare earth magnets are available:
• Neodymium Iron (NdFe) is used when pumped liquid temperatures are less than 365°F
(180°C).
• Samarium Cobalt (SmCo) is used when pumped liquid temperatures are between 365°F
(180°C) and 536°F (280°C).
Containment shell
The containment shell isolates the pumped liquid from the atmosphere and is constructed from
Hastelloy-C.
Sleeve bearings and thrust bearings
Goulds standard bearing material is Pure Sintered Alpha Grade Silicon Carbide. Dryguard
bearings are available for dry-run protection.
Impeller
The 3296 EZMAG uses an enclosed impeller that is hydraulically-balanced and keyed to the
shaft.
Bearing frame
The standard configuration is cast iron with ball bearings that are flood oil–lubricated. Greased-
for-life bearings systems are available as an option. Bronze bearing isolators are provided for
protection and reliability of the bearings and the lubricant.
Nameplate information
Important information for ordering
Every pump has nameplates that provide information about the pump. The nameplates are
located on the casing and the bearing frame.
When you order spare parts, identify this pump information:
• Model
• Size
12 Model 3296 EZMAG Installation, Operation, and Maintenance Manual