API 610 · ISO 13709

API Pumps

Petrochemical process pumps built to the API 610 standard, in every construction type: overhung (OH), between-bearings (BB) and vertically suspended (VS) — for refineries, petrochemicals and severe-duty applications.

Overhung (OH)

HTFLO (OH1)

API 610

HTFLO (OH1)

Petrochemical process pump with a rigid casing-cover design, foot mounted.

Clean or particle-laden liquids in petrochemicals, coal, power plants, HVAC, desalination.

Flow2–2 600 m³/h
Head≤ 250 m
Pressure≤ 2,5 MPa
Temperature−80…450 °C
StandardAPI 610
APIFLO-OH2

API 610

APIFLO-OH2

Centerline-mounted process pump with an independent pressure chamber for extended petrochemical duties.

Clean or particle-laden liquids, slurries, fibres and viscous fluids in refineries, chemical fibres, marine industry.

Flow2–2 600 m³/h
Head≤ 300 m
Pressure5 / 10 MPa
Temperature−80…450 °C
StandardAPI 610
APIFLO-OH2 (LF)

API 610

APIFLO-OH2 (LF)

Low-flow chemical process pump derived from the APIFLO-OH2.

Same applications as the OH2, for reduced-flow scenarios.

Flow0,8–12,5 m³/h
Head12–125 m
Pressure≤ 2,5 MPa
Temperature−80…450 °C
StandardAPI 610
APIFLO-OH3

API 610

APIFLO-OH3

Vertical in-line pump, centerline mounted.

Petrochemical processes where footprint is critical.

Flow2–2 600 m³/h
Head≤ 300 m
Pressure≤ 5 MPa
Temperature−80…450 °C
StandardAPI 610
APIFLO-OH6

API 610

APIFLO-OH6

High-speed integrally geared pump in vertical or horizontal configuration.

Clean or corrosive media with viscosity below 500 cP.

Flow2–250 m³/h
Head100–2 500 m
Pressure15 / 22,5 MPa
Temperature−50…300 °C
StandardAPI 610

Between-bearings (BB)

APIFLO-BB1

API 610

APIFLO-BB1

Horizontal between-bearings centrifugal pump with axially split casing, single or two stages; rigid shaft for stable operation.

Petrochemicals, power and thermal plants, pipe-network pressurisation.

Flow10–18 000 m³/h
Head≤ 440 m
Pressure2,5 / 5 MPa
Temperature−40…200 °C
StandardAPI 610
APIFLO-BB2

API 610

APIFLO-BB2

Radially split, double-volute between-bearings pump with 1–3 stages; reliable inter-stage bushings reduce leakage.

Refineries, petrochemicals, natural gas, offshore platforms, desalination — including high pressures and temperatures.

Flow5–5 000 m³/h
Head≤ 700 m
Pressure5 / 15 MPa
Temperature−80…450 °C
StandardAPI 610
APIFLO-BB3

API 610

APIFLO-BB3

Multistage volute pump, centerline supported, with symmetrically arranged impellers; dismantling without disturbing pipelines.

Pipeline transport, boiler feed water, water injection, desalination, decoking pumps for steel mills.

Flow10–1 500 m³/h
Head≤ 3 000 m
Pressure≤ 25 MPa
Temperature−20…400 °C
StandardAPI 610
APIFLO-BB4

API 610

APIFLO-BB4

Single-casing ring-section multistage pump; back-to-back or inline impeller arrangements, self or forced lubrication.

Crude oil transport, boiler feed water, hydrotreating feed pumps in hydrogenation refineries.

Flow5–730 m³/h
Head≤ 2 800 m
Pressure≤ 27 MPa
Temperature−80…210 °C
StandardAPI 610
APIFLO-BB5

API 610

APIFLO-BB5

Double-casing multistage pump, centerline mounted; the inner core pulls out completely without dismantling pipelines.

High-pressure ash water, rich/lean amine solutions in fertiliser and ammonia plants, desalination, recovery turbines.

Flow5–730 m³/h
Head≤ 3 400 m
Pressure≤ 35 MPa
Temperature−80…450 °C
StandardAPI 610

Vertically suspended (VS)

APIFLO-VS1 / VS2 / VS3

API 610 / ISO 5199

APIFLO-VS1 / VS2 / VS3

Vertically suspended pumps with integral or connecting shafts depending on installation depth; interfaces for bearing temperature and vibration monitoring.

Very high capacities: water intake, circulation, process services with high heads.

Flow≤ 60 000 m³/h
Head≤ 500 m
Pressure≤ 10 MPa
Temperature−80…250 °C
StandardAPI 610 / ISO 5199
APIFLO-VS4 / VS5

API 610 / ISO 2858

APIFLO-VS4 / VS5

Long-shaft sump pumps with multi-point shaft support; side discharge, no medium pressure on the support pipe and seal.

Refineries, petrochemicals, power stations, wastewater treatment, cement plants.

Flow2–900 m³/h
Head≤ 135 m
Pressure≤ 1,6 MPa
Temperature−20…125 °C
StandardAPI 610 / ISO 2858
APIFLO-VS6

API 610

APIFLO-VS6

Double-casing multistage vertically suspended pump; hydraulic model with high stability and efficiency.

Pipeline pressure regulation, condensate service, seawater lifting, offshore platforms, water supply and drainage.

Flow≤ 700 m³/h
Head≤ 1 500 m
Pressure≤ 15 MPa
Temperature−80…250 °C
StandardAPI 610

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