Technical Library

FB Bombas technical manualsFBE, FBEI, FBCN and FBOT

Complete official documentation — specifications, construction, dimensional, installation and maintenance — for the four industrial pump lines manufactured by FB in Cabreúva, Brazil.

4
Manuals
61
Technical pages
3
Languages

The four manuals in detail

Each manual covers one FB Bombas pump line — with real table of contents, operation data, construction details, sealing options and materials.

Series FBE

External Gear Pump

For viscous fluids in numerous industrial applications

18 pagesPDF · 954 KBMTEC-01/01
Download FBE manual

The FBE series uses external helical gear teeth mounted one over the other — driver and driven. Sizes from DN 1/8" to 6", covering viscosity range from 30 to 100,000 SSU per the manual's selection table.

Operating data

Sizes
DN 1/8" to 6"
Flow
Up to 390 m³/h
Head
Up to 220 m
Temperature
Up to 350°C
Rotation
1750 rpm (reduced for high viscosity)

Typical applications

  • Chemical
  • Petrochemical
  • Pulp and paper
  • Steel
  • Mining
  • Food
  • Textile
  • Pharmaceutical
  • Sanitation

Inside

  1. Quick Selection Table
  2. Technical Data
  3. Accessories
  4. Cutaway Drawing and Parts List
  5. Auxiliary Connections
  6. Dimensional

Construction

  • Body cast in single piece with integrated feet and ports opposed at 180°
  • Helical gears mounted one over the other — driver and driven
  • Shafts supported by bearings (bushings or rolling bearings per application)
  • Sealing housed in the front region of the pump
  • Ports: internal BSP thread on FBE 1/8" to 1"; flanges on the casing per ASME B16.1 125 lbs for Cast Iron on FBE 1.1/2" to 6"
  • Accessories: electric or combustion motor, flexible coupling with or without spacer, coupling guard in carbon steel or anti-spark material, welded structural steel base or "U" profile plate, identification plate in aluminum or stainless steel

Sealing options

  • Gland packing — industrial standard, adjusted by hex nut
  • Mechanical seal type 21 — ceramic × graphite × viton, AISI 304 spring
  • Lip seal — installed in cover or casing of special manufacture
  • Magnetic coupling — zero leakage, for toxic, corrosive or explosive fluids

Available materials

  • Cast Iron (ASTM A48 CL30)
  • Ductile Iron (ASTM A536)
  • Carbon Steel (ASTM A216 WCB)
  • Stainless Steel (ASTM A743 CF8M)
  • Bronze (ASTM B584)

Who it is for

Process engineers, preventive maintenance teams and EPC designers specifying positive displacement pumps for viscous fluids.

When to consult

Read before specifying (to validate flow × viscosity × pressure × temperature), during commissioning (startup procedure and accessories) and for maintenance team training.

Download FBE manual(PDF · 954 KB)See FBE series page
Series FBEI

Internal Gear Pump

Official installation, operation and maintenance manual for the FBEI line

18 pagesPDF · 1,47 MBMAN001-10
Download FBEI manual

The FBEI manual documents the "gear-within-gear" principle: teeth form an equidistant seal between suction and discharge, ensuring absolute volumetric control. Covers transport, storage, installation, operation and alignment of the assembly.

Operating data

Sizes
Models from 1" to 4" (GG, HJ, HL, KK, LQ, LS, M, AS, AK, AL)
Flow
Flow specifications in the series catalog
Head
Head specifications in the series catalog
Temperature
Optional heating jacket — steam 185°C/10 bar or thermal fluid 232°C/10 bar
Rotation
Alignment tolerance: radial < 0.05 mm · angular < 0.6°

Typical applications

  • Chemical
  • Petrochemical
  • Asphalt and bitumen
  • Lubricating oils
  • Paints, varnishes and resins
  • Food (chocolate, vegetable oils)
  • Cosmetics
  • Pulp and paper

Inside

  1. Introduction
  2. Operating Principle
  3. Equipment Identification
  4. Parts List and Exploded View
  5. Dimensional
  6. Transport
  7. Storage
  8. Installation and Operation
  9. Alignment

Construction

  • Gear-within-gear principle — rotor with external teeth inside a gear with internal teeth
  • Equidistant seal formed by teeth between suction and discharge (absolute volumetric control)
  • Integrated relief valve with adjustment-screw protection cover facing the suction side
  • Optional heating jacket — steam up to 185°C / 10 bar or thermal fluid up to 232°C / 10 bar
  • Weight from 9 kg (GG1 model · 1") to 272 kg (M4 model · 4") depending on size
  • Installation: 40-80 mesh strainer on suction (depending on model), flexible piping, pressure/flow control mandatory for pumps without relief valve

Sealing options

  • Mechanical seal — with cover, bearing and lip seal
  • Gland packing — with adjustable gland

Available materials

  • Cast Iron
  • Carbon Steel
  • Stainless Steel
  • Special materials on request

Who it is for

Maintenance engineers, plant operators and commissioning technicians for applications where reduced pulsation is critical (dosing, precise transfer, continuous processes).

When to consult

Read before installing (suction checklist, alignment, relief valve), before startup (rotation, voltage, temperature checks) and to plan spare parts (official 2-year operation list).

Download FBEI manual(PDF · 1,47 MB)See FBEI series page
Series FBCN

Standardized Centrifugal Pump

Dimensionally per ISO 2858, mechanically per ASME B73.1 — back-pull-out construction

15 pagesPDF · 460 KBMTEC-03/00
Download FBCN manual

The FBCN series is a standardized centrifugal pump (dimensionally per ISO 2858, mechanically per ASME B73.1) with back-pull-out construction: the rotor+bearing assembly is removed without disconnecting or realigning the piping. Wide flow coverage for industrial processes with clean or turbid liquids.

Operating data

Sizes
DN 25 to 300 mm
Flow
Up to 2,200 m³/h
Head
Up to 135 m
Temperature
Up to 260°C
Rotation
Up to 3,500 rpm

Typical applications

  • Chemical
  • Petrochemical
  • Pulp and paper
  • Steel
  • Mining
  • Food
  • Textile
  • Pharmaceutical
  • Sanitation

Inside

  1. Quick Selection Table
  2. General Pump Characteristics
  3. Power Reserve
  4. Pressure × Max Temperature Limit
  5. Accessories
  6. Peripheral Speed
  7. Efficiency Reduction
  8. Cutaway Drawing
  9. Parts List
  10. Sealing Chamber Details per Application
  11. Auxiliary Connections
  12. Dimensional

Construction

  • Spiral body cast in single piece, supported on its own feet, with wear ring on suction side
  • Radial single-suction impeller with wear ring on pressure side (except models 25-150, 32-125 and 32-125.1)
  • Shaft with protection sleeve in the sealing region
  • Back-pull-out construction — bearing is removed without dismantling piping
  • Flanges: Cast Iron ANSI B16.1 125 Lb FF or 250 Lb FF · Carbon Steel/Ductile ANSI B16.1 250 Lb RF or ANSI B16.5 150 Lb RF · Stainless Steel ANSI B16.5 150 Lb RF
  • Hydrostatic test pressure: per ASME B73.1

Sealing options

  • Gland packing — up to 105°C at 125 lbs (16 bar at 250 lbs)
  • Mechanical seal — up to 90°C, 10 bar
  • Sealing chamber per application (see manual)

Available materials

  • Cast Iron (peripheral speed up to 40 m/s)
  • Ductile Iron (up to 60 m/s)
  • Carbon Steel (up to 60 m/s)
  • Stainless Steel (up to 80 m/s)

Who it is for

Process engineers, maintenance teams and designers who need to minimize downtime (back-pull-out reduces plant downtime hours).

When to consult

Read for sizing (flow × head tables, pressure × temperature limits), preventive maintenance planning and selection of sealing chamber appropriate to the fluid.

Download FBCN manual(PDF · 460 KB)See FBCN series page
Series FBOT

Thermal Oil Pump

Dual-stage sealing for operation up to 350°C in organic thermal oils

10 pagesPDF · 619 KBMTEC-16/00
Download FBOT manual

The FBOT series is dedicated to pumping organic thermal oils in industrial heating systems. Operates up to 350°C with dual sealing: graphite packings in contact with the thermal fluid and a mechanical seal submerged in bearing oil — ensures system thermal stability. The fluid must not contain abrasive particles or materials that chemically attack the pump components.

Operating data

Sizes
DN 25 to 300 mm
Flow
Up to 2,200 m³/h
Head
Up to 135 m
Temperature
Up to 350°C
Rotation
Up to 3,500 rpm

Typical applications

  • Industrial heating systems with thermal oil
  • Pharmaceutical
  • Chemical
  • Food
  • Textile
  • Plastics

Inside

  1. Characteristic Curve – Quick Selection
  2. General Pump Characteristics
  3. Power Reserve
  4. Accessories
  5. Peripheral Speed
  6. Cutaway Drawing
  7. Parts List
  8. Auxiliary Connections
  9. Dimensional

Construction

  • Spiral body cast in single piece, without feet
  • Closed radial single-suction impeller
  • Back-pull-out construction for easier maintenance
  • Bearing with dual rolling bearings — one submerged in oil, the other shielded and grease-lubricated
  • Flanges: ANSI B16.42 150 lbs (standard) or DIN EN 1092-2 PN16 (optional)
  • Hydrostatic test pressure: 1.5× operating pressure
  • Parts list per DIN EN 24250

Sealing options

  • Dual sealing: graphite packings in the first stage (contact with thermal oil) + mechanical seal submerged in bearing oil
  • System ensures thermal stability and safety during continuous high-temperature operation

Available materials

  • Cast Iron (up to 40 m/s)
  • Ductile Iron (up to 60 m/s)
  • Carbon Steel (up to 60 m/s)
  • Stainless Steel (up to 80 m/s)

Who it is for

Process engineers at plants with thermal-oil heating systems (pharmaceutical, chemical, food, textile, plastics) who need robust sealing for continuous high-temperature operation.

When to consult

Read during selection (characteristic curves at 1750 and 3500 rpm, maximum pressure vs temperature), during installation (auxiliary connections, ANSI B16.42 150 lbs flanges or DIN EN 1092-2 PN16) and for maintenance (DIN EN 24250 parts list).

Download FBOT manual(PDF · 619 KB)See FBOT series page

Technical question in the manual?

FB's application engineer answers questions about NPSH, viscosity, chemical compatibility, material selection and sizing. Send your question.

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