Goulds 3355

Multistage Process Pumps

 Goulds Model 3355
Multiple nozzle orientations to fit Multistage Pumps
your piping configurations. Designed for a Wide Range
of High Pressure Services
I Capacities to 1500 GPM (340 m3/hr)
I Heads to 1640 feet (500 m)
I Temperatures to 280 F (140 C)
I Pressures to 800 psig (55 bar)

Performance Features
for High Pressure
Radial Suction Configuration. Radial
Services
nozzles are rotatable at 90 increments. Improved Reliability
Heavy duty bearing design
No external balance lines
Internal seal flushing
Metal to metal casing fits

Ease of Maintenance
Modular design
Off-the-shelf components
Fully interchangeable stages
No balancing drum/disc
Fewer parts than traditional designs
Metal fits guarantee alignment
No flush/bypass lines
Easily retrofitted

Safety
ANSI B15.1 Coupling Guard
Fully confined stage o-rings
Internal flushing & balance
Raised face flanges

End Suction Configuration. Optional Inducer is

available for low NPSH applications. Services
Boiler Feed
Condensate Return
Deaeration
Reverse Osmosis
Shower/Spray Service
Mine De-watering
Cleaning Systems
Seal Water Booster
Product Transfer
Reactor Feed
Pressure Boosting

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Hydraulic Coverage 60 Hz/3600 rpm
3600 RPM
2000

5x6-11B

1000
TOTAL HEADFEET

700

500
1.5x2.5-7A 1.5x2.5-7B 2.5x4-8A 2.5x4-8B 4x5-10A 4x5-10B
400

300

200
5x6-11A

100

70
50
30 40 50 70 100 200 300 400 500 700 1000 2000
CAPACITYGALLONS PER MINUTE

Hydraulic Coverage 50 Hz/3000 rpm

600
1.5x2.5-7B
3000 RPM
400

300
TOTAL HEADMETERS

200

150

1.5x2.5-7A 2.5x4-8A 4x5-10A 5x6-11A 5x6-11B

100

80

60

40

20 2.5x4-8B 4x5-10B

10
6 8 10 15 20 30 40 50 60 80 100 150 200 300 400 500
CAPACITYm 3/h

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Model 3355
Rugged Design Features for Wide
Range of Services

The 3355 is also available in

End Suction configuration.

DIFFUSERS
Eliminates radial loads to assure long bearing life.

PRODUCT LUBRICATED BEARINGS

(ES Configuration)
ANGULAR CONTACT, DOUBLE-ROW Frontal sleeve bearing is located behind
THRUST BEARINGS first stage the impeller for improved
performance and reliability.
Can carry a thrust load in either direction.

HIGH STRENGTH TIE RODS

INTERNAL BALANCING Bolting machined to SAE standards for easy
maintenance using high tensile strength steel.
Eliminates the need for balance lines
outside the pump.

INTERSTAGE CASING FITS

Metal fits ensure proper alignment of
WEAR RINGS the stages at any temperature.
Optional case wear rings available. No deflection due to o-ring-fits.

SEAL CHAMBER
SHAFT Taper Bore design eliminates the worry
Standard material is 12-13% Chrome for improved associated with venting. Improved flow to
shaft strengths and corrosion resistance. the seal helps extend seal life.

INTERNAL SEAL FLUSHING

Special internal channels ensure the
KEYED IMPELLERS seal always has sufficient flushing fluid.
Offset keys ensure rotational shaft balance.

MULTIPLE HYDRAULICS
Two impeller/diffuser combinations per size
maximizes efficiency at all conditions of service.

DEEP-GROOVE
BALL BEARINGS
Are unconstrained to accommodate
thermal expansion.

An optional inducer is available FEWER PARTS

on the End Suction configuration
The 3355 uses fewer parts than traditional multistage
for low NPSH applications.
pumps with balancing devices which means less
inventory and increased maintenance ease.

4 5
Sectional View Model 3355
136A 112 248 104 178 356A 425 492Q 184 157 193B 409

228C 397A 119 383S 445E 357F 437A 358 252 100F 412K 101 150 100G 356S 100D 122

Parts List and Materials of Construction

Item Material
Number Part Name Cast Iron CI/SS Fitted All Stainless Steel
100F Casing (Suction) Ductile Iron (1) Ductile Iron (1) Stainless Steel (3)
100D Casing (Discharge) Ductile Iron (2) Ductile Iron (2) Stainless Steel
101 Impeller Cast Iron Stainless Steel Stainless Steel (4)
150/150L Diffuser Cast Iron Cast Iron Stainless Steel
103 Case Wear Ring (Optional) Stainless Steel Stainless Steel Stainless Steel
228C Bearing Bracket Cast Iron Cast Iron Cast Iron
119 Bearing Cover Cast Iron Cast Iron Cast Iron
184 Seal Cover Cast Iron Cast Iron Stainless Steel
197A Bearing - Bushing (5) Bronze Bronze Bronze
122 Shaft 12% Chrome 12% Chrome Duplex St. St.
104/126 Sleeve 12% Chrome 12% Chrome Duplex St. St.
356S Tie Rod Carbon Steel Carbon Steel Carbon Steel
136A Bearing Nut Carbon Steel Carbon Steel Carbon Steel
100G Stage Casing Cast Iron Cast Iron Stainless Steel
157 Spacer Sleeve Stainless Steel Stainless Steel Stainless Steel
248 Thrower Rubber Rubber Rubber
358 Drain Plug Carbon Steel Carbon Steel Stainless Steel
252 Throttling Element 316 Ti
193B Grease Nipple Carbon Steel
383/383S Mech Seal depends on seal configuration
409 Radial Ball Bearing Steel Steel Steel
112 Radial Ball Bearing Steel Steel Steel
357F Nut Carbon Steel
425 Nut Carbon Steel
412K O-Ring - all EPDM EPDM EPDM
178 Key - all 12% Chrome Duplex Stainless Steel
356A Stud Carbon Steel
445E Pin 316 SS
397A Disc Spacer Carbon Steel
492Q Plug Carbon Steel
437A Washer - all Carbon Steel
(1) Standard flange rating is 150#RF for radial suction and 150#RF for end suction. End suction casing is cast iron material.
(2) Standard flange rating is 300#RF. Casing material is stainless steel with optional 600#RF flange.
(3) Standard flange rating is 300#RF for radial suction and 150#RF for end suction.
(4) Standard flange rating is 600#RF.
(5) Only on end suction configuration.

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Dimensions Model 3355

Radial Suction End Suction

CP
W M W Y
NPS1 NPS2 NPS1

X X

NPS2

D D

A A

DIMENSIONS
Pump
NPSI NPS2 A W D X
Size

1.5x2.5-7 1.5 2.5 9.06 11.02 5.51 7.09

2.5x4-8 2.5 4 9.84 12.40 6.30 8.27

4x5-10 4 5 13.38 14.58 8.27 9.84

5x6-11 5 6 15.75 17.72 9.84 11.81

NUMBER OF STAGES
Pump
Size 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

M 5.71 7.87 10.04 12.20 14.37 16.54 18.70 20.87 23.03 25.20 27.36 29.53 31.69 33.86 36.02

1.5x2.5-7 CP 24.72 26.88 29.05 31.21 33.38 35.55 37.71 39.88 42.04 44.21 46.37 48.54 50.70 52.87 55.03

Y 9.44 11.61 13.78 15.94 18.11 20.28 22.44 24.60 26.77 28.94 31.10 33.27 35.43 37.60 39.77

M 7.09 9,84 12.60 15.35 18.11 20.87 23.62 26.38 29.13 31.88 34.65 37.40
2.5x4-8 CP 28.54 31.29 34.05 36.80 39.56 42.32 45.07 47.83 50.58 53.33 56.10 58.85
Y 11.02 13.78 16.54 19.29 22.05 24.80 27.56 30.31 33.07 35.83 38.58 41.33

M 10.03 13.39 16.73 20.08 23.43 26.77 30.12 33.47

4x5-10 CP 35.26 38.62 41.96 45.31 48.66 52.00 55.35 58.70

Y 15.75 19.09 22.44 25.79 29.13 32.48 35.83 39.18

M 12.40 16.54 20.67 24.80 28.94 33.07

5x6-11 CP 43.31 47.45 51.58 55.71 59.85 63.98

Y 18.90 23.03 27.17 31.30 35.43 39.57

* Note: Add 0.79 to Y dim for size 2.5x4-8 with inducer design.

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Other Goulds Multistage Pumps
Goulds offers multistage pumps for various services
covering a wide range of capacities and heads
3600
Capacities to 2,600 GPM (590 m3/h)
Heads to 5,500 feet TDH (1675 m)
Temperatures to 400 F (205 C)
Working Press to 2,500 PSI (172 bar)

3311
Capacities to 1,100 GPM (250 m3/h)
Heads to 5,250 feet TDH (1600 m)
Temperatures to 350 F (180 C)
Working Press to 2,320 PSI (160 bar)

3316
Capacities to 3,000 GPM (681 m3/h)
Heads to 1,000 feet TDH (630 m)
Temperatures to 350 F (180 C)
Working Press to 550 PSI (38 bar)

Visit our website at www.gouldspumps.com

2007 Goulds Pumps, Incorporated

Form B3355 11/07 A subsidiary of ITT Corporation