Manual

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 Characteristics
Inboard (radial)
• Consists of a single-row deep-groove ball
bearing
• Carries only radial load
• Freely floats axially in the frame
Outboard (thrust)
• 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
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.
Nameplate information
Important information for ordering
Every pump has a nameplate that provides information about the pump. The nameplate is
located on the pump casing.
When you order spare parts, identify this pump information:
• Model
• Size
• Serial number
• Item numbers of the required parts
Refer to the nameplate on the pump casing for most of the information. See Parts List for item
numbers.
Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance 15
Manual