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API centrifugal pumps are a specific type of pump that is widely used in the petroleum industry due to their reliability and efficiency. These pumps are designed and manufactured according to the American Petroleum Institute (API) standards to ensure high performance and safety in demanding applications.
The image shown here is OH1 (Overhung) type API 610 Centrifugal pump types. This is a single-stage overhung with a foot-mounted base plate design. It is a horizontal pump with a flexible coupling. You can see in the image that the leg supports it at the opposite end of the suction. All API Pump Image Sources –
API Centrifugal Pump Requirements
API centrifugal pump requirements are set by the API 610 standard, which outlines the design, materials, and performance criteria for these pumps. Some key requirements include:
- Centerline supported design: API centrifugal pumps are centerline supported, meaning there is no leg support at the bearing end. This design feature helps to reduce vibration and ensure stable operation.
- Single stage end suction: API centrifugal pumps are typically single stage end suction pumps, which means they have a single impeller and suction inlet at one end of the pump. This design simplifies maintenance and operation.
- Single bearing housing: API centrifugal pumps feature a single bearing housing to support the shaft and impeller. This design helps to minimize maintenance requirements and ensure long-term reliability.
API Standard for Centrifugal Pumps
The API 610 standard is the industry benchmark for centrifugal pumps used in the oil and gas industry. This standard covers various aspects of pump design, construction, testing, and performance to ensure that pumps meet the stringent requirements of the petroleum industry.
API 610 Centrifugal Pump Types
API 610 classifies centrifugal pumps into different types based on their design and application. Some common API 610 centrifugal pump types include:
- OH1: Overhung, horizontal pumps with a single bearing housing.
- OH2: Overhung, horizontal pumps with a double bearing housing.
- BB1: Between bearings, single stage pumps.
- BB2: Between bearings, multistage pumps.
Each pump type is designed for specific applications and operating conditions to meet the diverse needs of the petroleum industry.
API Pump vs Non-Pumps
API pumps are specifically designed and manufactured to meet the stringent requirements of the petroleum industry, including high reliability, efficiency, and safety standards. In contrast, non-API pumps may not meet these strict criteria and may not be suitable for use in critical applications in the oil and gas sector.
API 610 Centrifugal Pump PDF
The API 610 standard is available in PDF format and provides detailed guidelines for the design, construction, and testing of centrifugal pumps used in the petroleum industry. This document is essential for pump manufacturers, engineers, and operators to ensure compliance with industry standards.
API 610 Pump Types PDF
The API 610 standard also includes a section on pump types, which is available in PDF format. This document outlines the different pump types, their features, and applications to help users select the right pump for their specific needs in the oil and gas industry.
ANSI Standard for Centrifugal Pumps
This type of pump is centerline supported. You can see that there is no leg support at the bearing end as compared to the OH1 type in the image below. It is also single stage end suction pump with single bearing housing. During
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api centrifugal pump|api pump vs non pumps