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API 610 PUMP |
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| INTRODUCTION |
Objective of API Standards
To identify and support proven, sound engineering and operating practices, and safe, interchangeable equipment and materials, for use in the petroleum industry, and assure broad availability of standards for such procedures, equipment and materials.
Objective of API 610
To establish minimum requirements for centrifugal pumps for use in petroleum, heavy-duty chemical, and gas industry services
Application of API 610
Petroleum Refineries
Petrochemical, and chemical Industry
Other demanding process
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| PRODUCT RANGE |
Pump Size : Total 28 sizes
Configuration : Horizontal, single stage, single suction, centerline supported, tangential discharge
Capacity : Max. 730 m3/hr
Head : Max. 300 m
Temperature Range : Max. 350 °C
Pressure : Max. 4100 kPa
Flanges : ANSI 300# (std.), ANSI 600# (option)
Rotation : Counter clockwise from coupling end
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| INTERCHANGEABILITY |
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-Group 3A |
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14 Pumps |
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1 Bearing housing |
3 Rear covers |
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14 Impellers |
13 Casings |
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-Group 5A |
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8 Pumps |
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1 Bearing housing |
2 Rear covers |
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8 Impellers |
7 Casings |
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-Group 7A |
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6 Pumps |
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1 Bearing housing |
2 Rear covers |
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6 Impellers |
6 Casings |
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Total 28 sizes | |
| CASING |
Designed as ASME Boiler and Pressure Vessel Code (Para. 2.2.1)
Minimum radial roads by concentric or double volute design
300# and 600# Flanges, RF and FF
Available in complete range of alloys
3 mm Corrosion allowance (Para. 2.2.3)
Cast-on rotation arrow
For concentric casings, fully machined for high efficiency
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| IMPELLER |
Precision cast impeller of high efficiency
Fully enclosed, single suction type (Para. 2.5.1)
Dynamically balanced to grade G1.0 (Para. 2.8.4)
Balancing holes for low axial thrust
Available in complete range of alloys
Keyed to shaft and secured by bolt and nut
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| WEARING RINGS |
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Secured by an interference fit and positioned with pin or set screws
Back wearing rings decrease the seal chamber pressure for longer seal life.
Front wearing rings prevent internal recirculation for high efficiency. |
| SEAL CHAMBER |
Fully Metal-to-Metal contact with casing prevents
misalignment between pump and motor shaft.
Confined spiral wound gasket for proper sealing
Most alloys can be cast.
Available cooling and heating jacket
API 682 seal chamber accommodates various seal
configuration.
A full complement of API 610 seal flush plans | |
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| BEARING HOUSING |
Finned cooling option for efficient water cooling
Dimples for vibration measurement (Para. 2.8.3.2)
Bulls eye sight glass allows positive verification
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| OIL CLEANING DEVICE |
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Labyrinth type seals retain oil in bearing housing and contaminants are excluded by deflectors for greater bearing life.
Oil seals and deflectors are replaceable and non-sparking material. (Para. 2.9.2. | |
| Shaft stiffness limits deflection to 50μm at the primary seal face under the most severe conditions. (Para. 2.5.7)
Speed factor, Ndm not to exceed 500,000
(dm = mean bearing diameter, (D+d)/2,mm Para. 2.9.1)
Thrust bearings are secured to the shaft by a lock-nut and lock-washer and placed in the frame by housing cover. (Para. 2.9.1.3)
Bearings are sized to exceed required bearing life at max. loads and rated speed. | | |
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