An ITT Brand

3171
Vertical Sump Pumps
3171
Goulds Model 3171
Vertical Sump Pumps Designed for the Total Range of
Industry Services

• Capacities to 3,180 GPM (722 m³/h)

• Heads to 344 feet (105 m)

• Temperatures to 450° F (232° C)

• Pit Depths to 20 feet (6 m)

Design Features
• Self-Priming

• Rugged Double Row Thrust Bearing

• Heavy Duty One-Piece Shaft

• External Impeller Adjustment

• Available in a Wide Range of Alloys

• Open Impeller Design

• Vapor Proof Option: Choice of packing,

or mechanical seal for containing sump vapors

Services
• Industrial Process

• Industrial Sump Wastes

• Molten Sulfur

• Tank Unloading

• Corrosive and Non-Corrosive Liquids

The “Veteran” vertical sump and process pump. Thousands of

installations – industrial process, sump drainage, corrosive liquids,
pollution control, molten sulfur – attest to the 3171’s remarkable
performance. Simple mounting.

2 3171
3171 Vertical Sump and Process Pumps
Heavy Duty Design Features for a Wide Range of Services.

LABYRINTH BEARING SEAL

Prevents premature bearing failure C-FACE MOTOR MOUNTING
due to lubricant contamination Accommodates readily available C-face
motors. Also available for P-base and
IEC motors.

CONTINUOUS HIGH
PERFORMANCE
Original high efficiency maintained by
simple external adjustment resulting in
long-term energy savings

DOUBLE ROW THRUST BEARING

Grease lubricated – carries pump thrust
load, sealed for outdoor installation

OPTIONAL UPPER DISCHARGE LOCKED

STUFFING BOX TO PUMP SUPPORT PLATE
FOR STRENGTH

HEAVY COLUMN PIPE

Provides rigid support for ANY MOUNTING
pump and bearings REQUIREMENTS
Met by support plate and optional
pit cover. Float switches, alternators
LINESHAFT STEADY BEARING and other control devices can be
Self-lubricating carbon / graphite bearing easily mounted
furnished as standard –
best for handling water, corrosives, solvents
and high temperature liquids STEADY BEARING HOUSING
Precision machined register fit of column,
bearing housing and casing assures positive
RESTRICTOR BUSHING bearing and shaft alignment. Completely
Close running bushing to prevent pressure interchangeable with all lineshaft bearing
loss from casing options

HEAVY DUTY ONE-PIECE SHAFT

With closely spaced steady bearings assures
long life and low maintenance

FULLY OPEN IMPELLER WITH HEAVY DUTY CASING

BACK PUMP-OUT VANES Provides rigid support for shaft –
Acknowledged best design for process closer to impeller load – resulting
services – solids handling, stringy material, in longer steady bearing life
corrosives, abrasives

REMOVABLE SUCTION COVER

Replaceable wear part for low
operational costs.

3171 3
Optional Features for Application Flexibility
Goulds offers a variety of options to meet users’ specific plant and application requirements. Your Goulds representative
will be glad to recommend the features best suited to your particular service conditions to assure safe, efficient and
reliable operation.

Molten Sulfur Pumps Mounting Systems

Goulds can provide optional mounting systems to meet
• Jacketed column and discharge pipes
specific user requirements including pit covers fabricated
(tested to 150 PSIG [1034 kPa])
with float control mounting points, man holes for access,
• Available in all principal alloys vapor-proof designs, and lube line holes.

• One-piece, self-lubricating, graphite impregnated

steady bearing

• Vapor-proof construction to seal sump vapors

• Balanced, low NPSH, semi-open impeller

for optimum performance Float Controls
• Multiple intermediate bearings permit overall The widest range of float controls is offered to suit the
3171.5.Float 3
3171.5.Floatindividual
1 requirements of every installation. Ask your
settings to 20 feet (6 m) 3171.5.Float 2
Goulds representative for a complete list of options

Jacketed Jacketed
Column Discharge Pipe

Abrasive Liquids
Goulds sealed bearing arrangement
is recommended for applications where Ball-Operated Displacer Type Pipe-Mounted,
abrasive solids are in the pumpage and Float Switch Liquid Level Switch Direct Acting
no clean flush is available. A carbon Float Switch

bearing and lip seal is used for sealing Sealed Bearing

the bearing housing. Spring loaded Arrangement Other Options
grease cup is provided.
• Complete line of controls
and starters
Optional Bearings • Enclosed lineshaft
Goulds offers the best choice of
steady bearings to meet service • Other types of float controls
requirements: optional fluted rubber
• ANSI tank mounting
with rigid shell, bronze, and
(standard) carbon. • Flanged discharge connections

4 3171
 Maximum Sealing Flexibility: Vapor-Proof Construction
Optional upper stuffing box allows use of wide range of sealing arrangements to meet specific user requirements for
sealing toxic, hazardous, noxious or corrosive fumes. With this option, the discharge pipe and all fittings are sealed at the
support plate. Your Goulds representative will gladly recommend the best sealing solution for your service, some of which
are illustrated here.

PACKED BOX DOUBLE DRY RUNNING SEAL SINGLE OUTSIDE SEAL

Standard vapor-proof sealing CARTRIDGE SEAL Dry running, non-contacting Mechanical seal with oil lubricator
option. Includes packing, Available in wet or dry cartridge gas seal. Pressurized and sight glass. Outside mount
lantern ring and grease versions to control emissions. air barrier between seal faces has no metal parts in contact with
lubricator (not illustrated). prevents vapor leakage. vapors.

Hydraulic Coverage

3171 5
Hydraulic Coverage

6 3171
Dimensions
All dimensions in inches and (mm). Not to be used for construction.

ST S S/MT MT
1×1-5 1X1.5-6 1.5X3-6 1X1.5-8 1.5X2-8 2.5X3-8 4X4-8 1.5X2-11 2.5X3-11 1.5X2-11 4X4-8 1.5X2-8 2.5X3-8
A 3.6 (92) 3.6 (92) 3.6 (92) 3.6 (92) 3.6 (92) 3.6 (92) 4 (102) 4 (102) 4 (102) 4 (102) 4 (102) 4 (102) 4.5 (114)
B 1.5 (38) 2 (51) 3 (76) 2 (51) 2 (51) 3 (76) 4 (102) 2 (51) 3 (76) 3 (76) 4 (102) 3 (76) 4 (102)
E 8.1 (205) 8.4 (213) 9.2 (232) 10.1 (256) 9.6 (244) 10.3 (262) 12.1 (306) 11.4 (289) 12.1 (306) 12.37 (314) 12.1 (362) 11.4 (289) 13.6 (346)
G 22 (559) 22 (559) 22 (559) 22 (559) 22 (559) 22 (559) 26.5 (673) 26.5 (673) 26.5 (673) 31 (787) 26.5 (673) 26.5 (673) 31 (787)
R 6 (152) 5.8 (147) 5.3 (135) 4.3 (109) 4.4 (112) 3.8 (97) 3.3 (84) 4.6 (117) 4.2 (107) 4.56 (116) 3.3 (84) 4.4 (112) 3.8 (97)
Q* 14.3 (362) 15.3 (387) 16.8 (425) 17 (432) 17 (432) 18.5 (467) 22.5 (572) 20.5 (521) 22.5 (572) 22 (599) 22.5 (572) 20 (508) 22.8 (578)

M L
LF1.5X3- LF1.5X3-
3X4-11 4X6-11H 1.5X3-13 2.5X3-13 3X4-13 4X6-13 LF 1X1.5-8 LF 1X2-10 6X8-13 6X8-13 8X10-11 8X10-11
13M 13L
A 4.5 (114) 4.5 (114) 4.5 (114) 4.5 (114) 4.5 (114) 4.5 (114) 2.88 (73) 4 (102) 2.75 (70) 2.75 (70) 10.4 (264) 10.4 (264) 10.4 (264) 10.4 (264)
B 4 (102) 4 (102) 3 (76) 3 (76) 4 (102) 4 (102) 2 (51) 2 (51) 2 (51) 2 (51) 6 (152) 8 (203) 8 (203) 10 (254)
E 12.8 (325) 14.3 (362) 13.6 (346) 13.2 (335) 13.8 (351) 14.8 (375) 9.54 (242) 11.5 (292) 14 (356) 14 (356) 21.5 (546) 21.5 (546) 24.3 (616) 24.3 (616)
G 31 (787) 31 (787) 31 (787) 31 (787) 31 (787) 31 (787) 22 (559) 31 (787) 31 (787) 31 (787) -- -- -- --
R 4 (102) 3.7 (94) 4.8 (122) 4.7 (119) 4.3 (109) 3.7 (94) 6.19 (157) 5.44 (138) 5.44 (138) 5.44 (138) 6.9 (175) 6.9 (175) 5.3 (135) 5.3 (135)
Q* 24 (610) 26.5 (673) 25 (635) 25 (635) 25.5 (648) 27.5 (699) 17 (432) 19.8 (503) 23.8 (605) 23.8 (605) 38.5 (978) 39.5 (1003) 42.5 (1080) 43.5 (1105)
*Add 3 in. (76) for float mounted option.

3171 7
3171 family of pumps

3171 CV 3171 LF 3171 API 3171 NM 3171

Goulds Capacity TDH Temperature Pit Depth

Pump Type
Model M³/Hr (GPM) Meters (Feet) °C (°F) Meters (Feet)
3171 722 (3180) 95 (344) 232 (450) 6 (20)
API 3171 722 (3180) 160 (525) 232 (450) 6 (20)
VS4 CV 3171 295 (1300) 126 (230) 232 (450) 6 (20)
LF 3171 50 (220) 290 (950) 232 (450) 6 (20)
NM 3171 284 (1250) 92 (300) 93 (200) 5 (16)

An ITT Brand
240 Fall Street
Seneca Falls, NY 13148
Phone: 315.568.2811
Fax: 315.568.2418
www.gouldspumps.com © 2025 ITT Goulds Pumps Inc. B.3171.en-US.2025-01