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Interpump PUMP E3B1021 R - Pumps & Compressors
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InterpumpPumps & Compressors

Interpump PUMP E3B1021 R

The Interpump PUMP E3B1021 R is a 5.5 hp (4.04 kW) industrial pump delivering 21 L/min at 100 bar (10 MPa / 1450 psi), operating at 1450 rpm with a compact footprint of 265 mm length and weighing 9.5 kg. Engineered…

SKU 3G-ITP-00621

Also listed as: E3B1021000 · E3B1021 000

Brand
Interpump
Item
PUMP E3B1021 R
Category
Pumps & Compressors
UNSPSC
40151527 — Plunger pumps
Available to Order
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Technical specs
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Technical Specifications

Interpump
Flow Rate
21 L/min
Pressure
100 bar
Power
4.04 kW
Speed
1450 RPM
Weight
9.5 kg
Dimensions
265 mm
Power
5.5 HP
Flow (US)
5.55 GPM
Pressure
10 MPa
Pressure
1450 PSI
View Full Spec Sheet

Technical Documents

(1)
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Interpump Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Interpump PUMP E3B1021 R is a 5.5 hp (4.04 kW) industrial pump delivering 21 L/min at 100 bar (10 MPa / 1450 psi), operating at 1450 rpm with a compact footprint of 265 mm length and weighing 9.5 kg. Engineered for demanding industrial applications across Singapore and Southeast Asia, this pump integrates robust Italian engineering with space-efficient design, supported by 3G Electric's full DDP distribution and technical expertise.

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 E3B1021 parts list — 180 parts, 67 available in catalog

Official Parts List
Exploded Diagram — Male shaft (key)View full size
E3B1021 — Male shaft (key)

Repair Kits — Order These for Routine Maintenance

KIT269
KIT 269 INTAKE/DELIVERY VALVES
34026901×1Available
View
KIT270
KIT 270 VALVE PLUGS 58 SERIES
34027001×1Available
View
KIT271
View
KIT286
KIT 286 PACKING D.22 58 SERIES
34028601×1Available
View
KIT291
View

Individual Components

PosCodeDescriptionQty
1
View
2
VALVE CAGE
36202551×3Available
View
3
SPRING D. 9,4X14,8
94737600×3Available
View
4
VALVE PLATE
36200176×3Available
View
5
VALVE SEAT
36200366×3Available
View
6
O-RING 17,12X2,62 (3068)
90384100×3Available
View
7
INTAKE/DELIVERY VALVE
36711501×3Available
View
8
O-RING 20,29X2,62(3081)
90384700×3Available
View
9
VALVE CAP M24X1,5X17
98222600×3Available
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
36211366×3Available
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
36719301×3Available
View
19
PLUG G1/8X8
98196600×1Available
View
20
O-RING 15,60X1,78 (2062)
90359300×3Available
View

Need multiple parts? Request a bundled quote

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

Request Bundle Quote
Genuine manufacturer parts Expert technical support Worldwide shipping

Official E3B1021 parts list — Industrial Pumps (Series 59 E3)

Recommended Spare Parts

CIRCLIP D. 62 UNI 7437

Accessories

CIRCLIP D. 62 UNI 7437

90085000

VALVE PLATE

Valves

VALVE PLATE

36200176

PLUG G3/8X13

Accessories

PLUG G3/8X13

98210000

FLANGIA MOT. ELETT. 100-112 B14 "B" (S.59)

Spare Parts

FLANGIA MOT. ELETT. 100-112 B14 "B" (S.59)

10086622

CONNECTING ROD COMPLETE

Spare Parts

CONNECTING ROD COMPLETE

59030001

WASHER 21,5X27X1,5

Accessories

WASHER 21,5X27X1,5

96751400

INLET NIPPLE G 3/4

Spare Parts

INLET NIPPLE G 3/4

36318251

SPRING D.6.4X12.5

Spare Parts

SPRING D.6.4X12.5

94733400

VALVE CAP M18X1,5X10

Valves

VALVE CAP M18X1,5X10

98213700

Spare Parts

NIPPLE D.3 G3/8F

36348970

KEY 8(h9)X7X35 UNI 6604/A

Accessories

KEY 8(h9)X7X35 UNI 6604/A

91489200

Spare Parts

O-RING 8,73X1,78 - (108)

90358100

View full cross-reference for Interpump 3G-ITP-00621

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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