Goulds Pumps 3620 - IOM - Manual (Page 15)

Product Description
Product Description
General description
Product description
The Model 3620 is a horizontal centrifugal pump that meets the requirements of API 610 8th
through 11th Editions (ISO 13709 1st and 2nd Editions) and has these characteristics:
• Safety, Reliability, and Versatility
• Axially-Split
• Single-stage
• Between the bearings
Casing
The casing is centerline mounted with top-suction and top-discharge nozzles. The compression
gaskets at the two metal-to-metal sealing faces are fully confined.
The flanges are ASME Class 300 raised-face serrated with a 125-250 RMS finish. Other
flanges are also available:
• ASME Class 300 ring joint
• ASME Class 600 raised-face serrated
• ASME Class 600 ring joint
Impeller
The impeller is fully closed and key driven.
Seal chamber
The seal chamber meets API 682 2nd Edition dimensions for improved performance of
mechanical seals. Customer-selected cartridge mechanical seals are standard.
Power end
The power end has these characteristics:
• Carbon steel bearing housings are standard.
• The oil level is viewed through a sight glass.
• Constant-level oilers and labyrinth seals are standard.
• No machining is required in order to convert the standard ring oil lube to either purge or
pure mist. Pure mist applications require minor bearing housing modifications.
• Pressure lubrication is required with hydrodynamic thrust bearings.
Model 3620, API Type BB2 Single Stage / ISO 13709 1st/2nd Ed. / API 610 8th-11th Ed. Installation, Operation, and 13
Maintenance Manual