Goulds Pumps 3408A User Manual

AC8744

Installation, Operation and Maintenance Instructions

Model 3408A

TABLE OF CONTENTS

PAGE

5 INTRODUCTION

7 SAFETY

11 GENERAL INSTRUCTIONS

19 OPERATION

SECTION

1

2

3

4

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INTRODUCTION

DESCRIPTION

The 3408A centrifugal pumps are frame mounted pumps
which feature high efficiency, rugged construction,
compact design, foot mounted volute, center drop out
coupler, and regreasable bearings. These features, along
with the horizontal split case make installation, operation,
and service easy to perform.

PUMP APPLICATION

The standard 3408A centrifugal pump’s bronze fitted
construction make it ideal for service with the following
liquids: unheated domestic and fresh water, boiler feed
water, condensate, hydronic cooling or heating, pressure
boosting, general pumping and benign liquids.

For other applications contact your local Goulds Pumps
Pump representative.

OPERATIONAL LIMITS

Unless special provisions have been made for your pump
by Goulds Pumps, the operational limits for 3408A Pumps
are as follows:

175# Maximum Working Pressure

PUMP IDENTIFICATION

Pumps are designated by a series of numbers such as
3408A. The pump nameplate gives identification and rating
information as identified in Figure 1.

Permanent records for this pump are kept by serial number
and it must be used with all correspondence and spare parts
orders.

The frame plate shown in Figure 1A, gives information
concerning the bearings and their lubrication. The inboard
and outboard bearing numbers refer to the bearing
manufacturer’s numbers.

1

75# Maximum Suction Pressure

Listed on pump nameplate.

SEAL OPERATING LIMITS

Standard Self Flushing Mechanical Seals

BUNA-PH Limitations 7-9; Temperature Range -20 to
+225°F

EPT-PH Limitations 7-11; Temperature Range -20 to
+250°F

For use on closed or open systems which are relatively free
of dirt and/or other abrasive particles.

Figure 1: Rating Plate

Figure 2: Frame Plate

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