Goulds Pumps 3700 Installation, Operation And Maintenance Manual page 18

Product Description
Seal-chamber cover
The seal-chamber cover meets API 682 3rd Edition dimensions for improved performance of
mechanical seals.
Power end
The power end has the following characteristics:
• Standard ring oil-lubricated bearings
• Labyrinth seals on the power end
• Optional pure and purge oil mist lubrication (some machining is required to convert from
ring oil lubrication to oil mist)
Shaft
The standard shaft is machined and ground to comply with API 610 11th Edition (ISO 13709)
criteria.
Bearings
Bearing type
Inboard (radial)
Outboard (thrust)
All fits are precision-machined to industry standards.
Baseplate
The fabricated steel baseplate supports the pump, driver, and accessories in accordance with
API-610 11th Edition (ISO 13709) requirements.
Direction of rotation
The shaft rotates counterclockwise when viewed from the drive end.
16 Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance
Characteristics
• Consists of a single-row deep-groove ball
bearing
• Carries only radial load
• Freely floats axially in the frame
• Consists of a duplex-angular contact bearing,
which uses a pair of single-row angular contact
ball bearings mounted back-to-back
• Shouldered and locked to the shaft
• Retained in the bearing frame to enable it to
carry radial and thrust loads
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