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Interpump PUMP SS3B2021 R - Pumps & Compressors
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
Category
Pumps & Compressors
UNSPSC
40151527 — Plunger pumps
Available to Order
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Direct from OEM
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
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Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

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

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Interpump Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

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 mobile equipment applications.

Frequently Asked Questions

Where can I buy the Interpump SS3B2021 R gear pump worldwide?

Order the Interpump SS3B2021 R from 3G Electric, an authorised Interpump distributor. We handle customs clearance and arrange worldwide delivery for industrial pumps. Lead time on request.

What is the flow rate and pressure rating of the SS3B2021 R?

The Interpump SS3B2021 R delivers 21 L/min (5.55 US gpm) at a rated pressure of 200 bar (20 MPa / 2900 psi). Output is 8.02 kW at 1450 rpm.

What applications suit the Interpump SS3B2021 R pump?

This compact 273.5 mm industrial gear pump is rated for high-pressure hydraulic systems in manufacturing equipment, mobile machinery, and closed-loop hydraulic circuits requiring 21 L/min flow at pressures to 200 bar.

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 list62 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
View
KIT334
KIT 334 OUTLET VALVES S.53SS
34033401×1Available
View
KIT336
View
KIT341
KIT 341 INLET VALVES S.53SS
34034101×1Available
View
KIT352
KIT 352 PACKING D. 22 S. 59 SS
34035201×1Available
View

Individual Components

PosCodeDescriptionQty
2
VALVE CAGE
36202551×3Available
View
3
SPRING D.9.4X14.8 - S.S.
94737300×3Available
View
4
VALVE PLATE
36200176×3Available
View
5
VALVE SEAT STAINLESS (63SS)
36203666×3Available
View
6
O-RING 17,12X2,62 (3068)
90384100×3Available
View
7
VALVE ASSY (63 SS)
36713001×3Available
View
8
O-RING 20,29X2,62(3081)
90384700×3Available
View
9
PLUG M24X1,5X17 S.S.
98222900×3Available
View
10
SCREW M05X55 SPEC. A2-70
99169000×3Available
View
12
PISTON D.22X42
59040109×3Available
View
13
O-RING D. 12X2 (120-20)
90367400×3Available
View
14
VALVE SEAT - S.S.
53211166×3Available
View
15
SPHERICAL VALVE
36211276×3Available
View
16
SPRING D.6.2x10.5 S.S.
94733300×3Available
View
17
VALVE CAGE
36211151×3Available
View
18
OUTLET VALVE S.53 SS
36724501×3Available
View
19
O-RING 15,60X1,78 (2062)
90359300×3Available
View
20
PLUG M18X1,5X10 D23 F12 SS
98213720×3Available
View

Need multiple parts? Request a bundled quote

62 parts available in our catalog — get a single quote with volume pricing

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Genuine manufacturer parts Expert technical support Worldwide shipping

Official SS3B2021 parts listIndustrial Pumps (Stainless Steel Versions Series 59 SS3)

Recommended Spare Parts

Spare Parts

H.P. SEAL D.22X32X10 (66HT)

90231200

Valves

VALVE PLATE

36200176

SCREW M8X16 - STAINLESS

Accessories

SCREW M8X16 - STAINLESS

99303800

Spare Parts

CONNECTING ROD COMPLETE

59030001

KEY 8(h9)X7X35 UNI 6604/A

Accessories

KEY 8(h9)X7X35 UNI 6604/A

91489200

Spare Parts

KIT 352 PACKING D. 22 S. 59 SS

34035201

Spare Parts

SPONGE GASKET D.3X103

59211082

Spare Parts

O-RING 10,82X1,78 (2043)

90358500

Spare Parts

OIL SEAL D.15X24X5/7

90156550

Spare Parts

KIT 271 OIL SEAL D.15 58/59 SERIES

34027101

SHIM D.74,5X104X0,1

Spare Parts

SHIM D.74,5X104X0,1

97567800

Spare Parts

KIT 336 OUTLET VALVE PLUG S.53 SS

34033601

View full cross-reference for Interpump 3G-ITP-00850

Interpump Products

3G Electric supplies Interpump pumps & compressors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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