API 610, OH3 Type

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API 610, OH3 Type Pump

Overview

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Performance

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OH3 vertical in-line, single-stage, Semi-open & closed impellers, single suction, radially split centrifugal process pumps to API 610 (11th edition)

Flow rate (Max.): 1100 m3/hr
Differential head (Max.): 130 m
Speed (Max.): 3000 rpm
Suction pressure rating: Up to 20 bar g
MAWP: 40 bar g
Operating temperature: -15 ˚C to 400 ˚C
Design temperature: 180 ˚C

Application
- Petroleum production and refining
- High temperature service
- Hydrocarbon booster
- Gas industry service
- Gas production
- Liquefied Gas processing
- Boiler circulation
- Cooling tower pump
- Water distribution
- Synthetic fuels
- Petroleum distribution
- Petrochemical processing
- Lube oil transfer and feed
- General purpose
Benefits
- 3mm corrosion allowance to API610
- 2 x API allowable nozzle loads
- Interchangeable Impeller and wear parts
- All bearing housings are drilled and tapped for grease or oil lubrication.
- The standard coupling guard meets API 610 requirements.
- FEA was used to analyse the stand to assure that pumps operate well away from any natural frequencies per API610
- Rigid shaft assembly limits deflection at seal faces to less than 0.002 in. (0.05 mm) under the most severe operating conditions
- Pump & driver support stand surfaces are fully machined to assure flat mounting surfaces and alignment rigidity
- In-Line Suction and Discharge Simplifies piping design and construction
- Smooth operation with low vibration levels due to static & dynamic balancing of impeller and other rotating parts.
- ISO-13709 (API 610) Table 6 seal chambers for improved seal life.
- Fits for mechanical seals as per ISO 24109 / API 682 in cartridge design for easy installation and removal
- Lower installation costs, reduced footprint & space saving design
Options
- Materials variety according to API 610
- Various types of cartridge mechanical seals available
- Impeller trimmed to match the specified duty point
- Several hydraulic systems per pump size
- Grease or oil lubricated bearing bracket
- A variety of instrumentation options are available for monitoring all key operating parameters (temperature, pressure, vibrations, etc.)