InproOil Supply

Inpro Oil transfer unit MR-3U

The Inpro MR-3U is a self-priming gear pump oil transfer unit designed for fuel oils, lubricants, and greases. It features a 3/8" connection and measures 351.5 mm in length, suitable for industrial fluid handling…

SKU 3G-CBM-00102

Also listed as: ALI 05020 · ALI-05020

Brand

Inpro

Item

Oil transfer unit MR-3U

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

Inpro

type

Gear pump - self-priming 

dimension a

351.5 mm 

dimension b

174 mm 

dimension g

90 mm 

dimension h

125.5 mm 

applications

Fuel oils, lubricants, animal and vegetable greases 

connection f

3/8" 

Datasheet Content

Chauffage

SÉRIE R-UNIVERSAL
Pompes à Engrenages




Description

  Electropompes volumétriques à                 Applications: huiles combustibles,
  engrenages. Auto-aspirante. Avec              lubrifiants, graisses animales et végétales,
  soupape de sécurité intégrée.                 etc.

  Divers versions: R-UNIVERSEL avec un
  moteur Standard et, possible version
  moteur ATEX.

Données téchniques
Profondeur max. d’aspiration                    Degré de protection
7 m.c.a                                         IP-54 Isolement Classe F À la demande IES
Temperature max. de líquide                     Tension
110°°C                                          Monophasé 230 V ±10%
                                                Triphasé 230/400 V ±10%
Moteur                                          Condensateur
Selon les normes IEC. Protection thermoampère   Condensateur dans la boîte à bornes
avec réarmement automatique (monophasé).

Matériaux
Corps du pompe                                  Garniture mécanique
En fonte GG-20                                  Différentes versions
Turbine                                         Roulements
Engrenage en Acier                              2R-S lubrifier a vie
Arbre                                           Corps d’aspiration et de refoulement
En Acier                                        En fonte GG-20
Accessoires
Accumulateur               Pressostats                                  Systèmes de contrôle
                           - Pressostat mecánique                       - Régulateurs de pression et de vitesse
                           - Pressostat électrónique




Dimensions
 TYPE       A     B        C       D         E           F        G      H
(M)R-3 U   351,5 174      56       141       58         3/8”      90    125,5
(M)R-5 U   351,5 174      56       141       58         3/4”      90    125,5
M)R-10 U   422,5 185      67       160       60          1”       100 160,5
R-16 U     420,5 185      67       160       60          1”       100 158,5
R-17 U     494    200     94,5     170       66       1”¼ DN 32   125 175,5
R-25 U     551    215     104      200       74       1”¼ DN 32   140   210
R-35 U     551    215     104      200       74       1”¼ DN 32   140   210
R-50 U     551    215     104      200       74       1”¼ DN 32   140   210

R-65 U     576    265     104      212       86       1”¼ DN 32   140   217
R-100 U    712    265 130,5 300 187,5 2”½ DN 65 140 317,5
R-140 U    712    265 130,5 300 187,5 2”½ DN 65 140 317,5

  TYPE       A        B        C         D        E           F    G         I    J      K      a      b      c
OR-250                      175        172        685    DN-80    250     310    165    12     180    70

R-250       216    178      175        172        675    DN-80    250     310    165    12     180    70     102

ER-250      216    140      175        172        645    DN-80    250     310    165    12     180    70     102

OR-400                      188        210        795   DN-100    250     350    198    14     254    121

R-400       216    178      175        172        675   DN-100    305     350    198    14     254    121    83

SR-400      216    140      175        172        645   DN-100    305     350    198    14     254    121    83

R-600       216    178      235        172        675   DN-100    305     350    258    14     254    121    83

Technical Documents

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Technical Document 1

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Inpro Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

Where can I buy the Inpro MR-3U oil transfer unit worldwide?

3G Electric is an authorized distributor of Inpro fluid-handling equipment. We source the MR-3U globally and handle all logistics, customs clearance, and delivery. Contact us for lead times and quotes on this self-priming gear pump.

What is the lead time for the Inpro MR-3U?

Lead time varies by location and current demand. 3G Electric sources the MR-3U to order and manages international shipping. Request a quote for your specific delivery requirements and timeline.

What applications is the Inpro MR-3U suitable for?

The MR-3U is designed for transferring fuel oils, lubricants, animal greases, and vegetable greases. Its self-priming gear pump design with 3/8" connection makes it ideal for industrial fluid-handling operations requiring reliable, continuous transfer.

Used in

Common applications for Inpro

Industrial heating systems — Inpro VD2 LR-2.2 low-pressure burner fuel unit with integral regulation for oil-fired boiler and furnace ignition control

Centralised oil-supply networks — Inpro MR-5U self-priming gear pump and TANKALERT SMS ultrasonic tank alarm for distributed lubrication and fuel-transfer operations

Burner fuel circuits — Inpro Series 202 diesel filter with 100–44 µm cartridge for pre-filtration of heavy fuel oil upstream of burner nozzles

Emergency gas-supply shutdown — Inpro hammer-and-chain tool and cabinet window for rapid access to gas regulation cabinets (GAZ70009, GAZ70011) in plant emergencies

Industrial pump stations — Inpro VDU5L23 suction-line pump with 150 µm strainer and 2 bar return-line rating for large-tank fuel-supply systems

Remote tank monitoring — Inpro TANKALERT SMS IP67 ultrasonic sensor with GSM/GPRS connectivity for automated oil-tank level reporting across distributed facilities

Inpro Products

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

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