InterpumpPumps & Compressors

Interpump PUMP SS3B2021 R

Interpump PUMP SS3B2021 R is an industrial gear pump delivering 21 L/min flow at 200 bar pressure, rated 8.02 kW at 1450 rpm. Compact at 273.5 mm length, it suits high-pressure hydraulic systems in manufacturing and…

SKU 3G-ITP-00850

Also listed as: SS3B2021000 · SS3B2021 000

Brand

Interpump

Item

PUMP SS3B2021 R

Local availability & support — Singapore

Local office: 20 Woodlands Link #09-05, Singapore 738733
Phone: +65 8878 8355
Delivery: Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment: Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to: Singapore

Technical Specifications

Interpump

Flow Rate

21 L/min

Pressure

200 bar

Power

8.02 kW

Speed

1450 RPM

Weight

9.5 kg

Dimensions

273.5 mm

Power

10.9 HP

Flow (US)

5.55 GPM

Pressure

20 MPa

Pressure

2900 PSI

Datasheet Content

SS3B2021




TECHNICAL INFORMATION
Flow (L/min)                        21
Flow (US Gpm)                       5,55
Rotation regime (rpm)               1450
Pressure (MPa)                      20
Pressure (bar)                      200
Pressure (psi)                      2900
Power (hp)                          10,9
Power (kW)                          8,02
Overall dimensions L x l x h (mm)   273,5x223x152,5
Weight (kg)                         9,5




SS3B2021                                              3/21/2026   Page 1 - 5
Copyright INTERPUMP GROUP S.P.A
SS3B2021

     Documents

Male shaft (key) - (plugs) - OUT OF PRODUCTION




SS3B2021                                         3/21/2026   Page 2 - 5
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - (plugs) - OUT OF PRODUCTION




SS3B2021                                         3/21/2026    Page 3 - 5
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - (plugs) - OUT OF PRODUCTION

Pos.     Code           Description                    Qty Notes
KIT353   34035301       KIT 353 CPL. SEAL D. 22 S. 59 SS1

KIT352   34035201       KIT 352 PACKING D. 22 S. 59 SS 1

KIT349   34034901       KIT 349*INLET VALVE CAPS S.59 1
                        SS
KIT341   34034101       KIT 341 INLET VALVES S.53SS    1

KIT336   34033601       KIT 336 OUTLET VALVE PLUG      1
                        S.53 SS
KIT334   34033401       KIT 334 OUTLET VALVES S.53SS 1

KIT271   34027101       KIT 271 OIL SEAL D.15          1
                        58/59 SERIES

58       50200074       PUMP FOOT                      2
57       96701600       WASHER 8,4                     4
56       99303700       SCREW M 8x16-5739              4
55       91489200       KEY 8(h9)X7X35 UNI 6604/A      1


54       90164800       OIL SEAL 30x55x7               1
53       47151022       OPEN SIDE COVER (47-66)        1
52       90358500       O-RING 10,82X1,78 (2043)       1
51       98204000       PLUG G1/4X9 S.S.               1
50       59160022       REAR CRANKCASE COVER           1
49       90392200       O-RING D.133.02X 2,62(3525)    1


48       98211300       ASTA LIVELLO OLIO G3/8x54 D.4 1


47       97567800       SHIM D.74,5X104X0,1            1
47       97568000       SHIM D.74.5X104X0.3            1
46       90391300       O-RING 67,95X2,62 (3268)       2
45       91837500       TAPER BEARING                  2
44       99303800       SCREW M8X16 - STAINLESS        12
43       90075600       CIRCLIP D.45 (ZJ45)            1
42       59020135       CRANKSHAFT C. 13               1
41       70211801       OIL SIGHT GLASS                1
40       90387700       O-RING 39,34X2,62 (3156)       1
39       47151222       SIDE CRANKCASE COVER FOR       1
                        OIL GAUGE
38       99309900       SCREW M 8x35 UNI 5931          6
37       59030001       CONNECTING ROD COMPLETE        3
36       97739900       GUDGEON PIN D.14X34            3
35       59050166       PISTON GUIDE - S.S.            3
34       90156550       OIL SEAL D.15X24X5/7           3
33       58210451       PROTECTION                     1




SS3B2021                                                           3/21/2026   Page 4 - 5
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - (plugs) - OUT OF PRODUCTION

Pos.   Code             Description                   Qty Notes

32     59010022         PUMP CRANKCASE                1
31     59211082         SPONGE GASKET D.3X103         1
30     96699000         WASHER D.7.5X23X0.5           3
29     98218000         PLUG G 1/2 X 10 STAINLESS     1


28     98210066         PLUG G 3/8 X 13 STAINLESS     1


27     59211656         RING FOR PACKING D.22 * SS    3


26     90230000         L.P. SEAL D.22 (HT)           3
24     90361200         O-RING 31,47X1,78 (2125)      3
23     59606501         PACKING RETAINER D.           3
                        22+SLEEVE S.S.
22     90231200         H.P. SEAL D.22X32X10 (66HT)   3


21     99317600         SCREW M08x60 5931 A2-70       8
20     98213720         PLUG M18X1,5X10 D23 F12 SS    3


19     90359300         O-RING 15,60X1,78 (2062)      3
18     36724501         OUTLET VALVE S.53 SS          3
17     36211151         VALVE CAGE                    3
16     94733300         SPRING D.6.2x10.5 S.S.        3
15     36211276         SPHERICAL VALVE               3
14     53211166         VALVE SEAT - S.S.             3
13     90367400         O-RING D. 12X2 (120-20)       3
12     59040109         PISTON D.22X42                3
11     96690500         WASHER D.5X11.5x0.4           3
                        INOX+FKM58/59/63HT
10     99169000         SCREW M05X55 SPEC. A2-70      3
9      98222900         PLUG M24X1,5X17 S.S.          3
8      90384700         O-RING 20,29X2,62(3081)       3
7      36713001         VALVE ASSY (63 SS)            3
6      90384100         O-RING 17,12X2,62 (3068)      3
5      36203666         VALVE SEAT STAINLESS (63SS) 3

4      36200176         VALVE PLATE                   3
3      94737300         SPRING D.9.4X14.8 - S.S.      3
2      36202551         VALVE CAGE                    3
1      59122336         MANIFOLD FOR PISTON D. 22     1
                        S.S.




SS3B2021                                                          3/21/2026   Page 5 - 5
Copyright INTERPUMP GROUP S.P.A

Technical Documents

(1)

Technical Data Sheet

PDF Document

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Interpump Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the Interpump PUMP SS3B2021 R used for?

The Interpump PUMP SS3B2021 R is an industrial gear pump designed for high-pressure hydraulic systems. It delivers 21 L/min at 200 bar and is commonly used in manufacturing equipment and mobile hydraulic applications where reliable fluid power is required.

What are the specifications of the Interpump PUMP SS3B2021 R?

The Interpump PUMP SS3B2021 R has a flow of 21 L/min, pressure rating of 200 bar (20 MPa, 2900 psi), power of 8.02 kW (10.9 hp) at 1450 rpm, and weighs 9.5 kg. Its overall dimensions are 273.5 mm x 223 mm x 152.5 mm.

Where to buy the Interpump PUMP SS3B2021 R in Singapore?

You can source the Interpump PUMP SS3B2021 R through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this Interpump gear pump.

How to select the right Interpump pump for a hydraulic system?

To select the right Interpump pump, match the required flow (L/min) and pressure (bar) of your hydraulic system. The PUMP SS3B2021 R delivers 21 L/min at 200 bar. Also verify shaft type and mounting dimensions against your existing setup. Consult the Interpump datasheet for detailed specifications.

Used in

Common applications for Interpump

Shipyard hull cleaning and surface prep — HT100 and W951 paired with dual-lance guns for dockyard service

Petrochemical heat-exchanger descaling — WS-series stainless pumps for neutral-pH cleaning chemistry

Outdoor HVAC condenser mist cooling — ZP180 pumps on rooftop chiller decks

Textile fibre-finishing — W170 and W270 for mist-jet application across drying lines

Municipal water treatment — W951 motor pumps for high-pressure disinfection chemical injection

Spare Parts & Repair Kits

Official SS3B2021 parts list — 62 parts, 62 available in catalog

Official Parts List

SS3B2021 — Male shaft (key) - (plugs) - OUT OF PRODUCTION exploded diagram

Repair Kits — Order These for Routine Maintenance

KIT271

KIT 271 OIL SEAL D.15 58/59 SERIES

34027101×1Available

Interpump PUMP SS3B2021 R

Local availability & support — Singapore

Technical Specifications

Datasheet Content

Technical Documents

Need installation or engineering help?

Ask a question

Product Description

Frequently Asked Questions

Used in

Spare Parts & Repair Kits

Recommended Spare Parts

Interpump Products

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