Goulds Pumps 3935 Installation, Operation And Maintenance Instructions page 34

Spare parts
1. Pump Type
2. GPM @ BEP
3. Number of stages
4. Pump Frame (1)
5. Pump Construction
6. Mechanical Seal Cooling Option (2)
7. Stationary Seat Option (3)
Figure 5: Example
1. The first letter of this group (X) indicates the pump frame, the second letter indicates the
2. Option 03 is less seal cooling, while 04 designates cooling option furnished.
3. Option 13 is the standard NI-Resist stationary seat, while option 12 is the tungsten carbide
Product news
No. 139
April 5, 1982
Subject: Model 3333, 3335 & 3935
Modification: Relocation of Oiler on Model 3333-3335-3935 Oil Lube Frames
History: The oiler on Model 3333-3335-3935 oil lube frames was piped to the frame as shown
below. Variation in the length of the vertical pipe nipple; variation in thread engagement
between nipple, elbow and oiler; or use of an incorrect nipple could cause unpredictable
changes in oil level.
Description: Additional tapped openings have been added to the frame. The oiler is piped to the
frame using only one nipple, as shown below. Internal setting of the oiler is unchanged.
This is a running change effective immediately.
24
coupling and stub shaft combination.
seat.
Old Design
Model 3935 Installation, Operation and Maintenance Instructions
New Design