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API centrifugal pumps are a type of pump that is centerline supported, meaning there is no leg support at the bearing end as compared to the OH1 type. These pumps are single-stage end suction pumps with a single bearing housing. They are designed to meet specific requirements set by the American Petroleum Institute (API) to ensure reliability and performance in various industrial 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
API Centrifugal Pump Requirements
API centrifugal pumps must meet certain requirements to ensure they are suitable for use in critical industrial processes. Some of the key requirements include:
1. **Material Selection**: API pumps must be constructed using materials that are compatible with the fluids being pumped to prevent corrosion and ensure longevity.
2. **Performance Standards**: These pumps must meet specific performance standards set by API to ensure they can handle the required flow rates and pressures.
3. **Seal Arrangements**: API pumps must have reliable seal arrangements to prevent leakage and ensure safe operation.
4. **Bearing Design**: The bearing design of API pumps must be robust to withstand the forces and vibrations experienced during operation.
API Standard for Centrifugal Pumps
The API standard for centrifugal pumps, specifically API 610, outlines the requirements and guidelines for the design, construction, testing, and operation of centrifugal pumps used in the oil, gas, and petrochemical industries. This standard ensures that pumps meet stringent quality and performance criteria to ensure safe and reliable operation in demanding environments.
API 610 Centrifugal Pump Types
API 610 defines various types of centrifugal pumps based on their design and application. Some common API 610 centrifugal pump types include:
1. **OH1**: Overhung, horizontal pumps with a single bearing housing.
2. **OH2**: Overhung, horizontal pumps with a double bearing housing.
3. **BB1**: Between bearing, single-stage pumps.
4. **BB2**: Between bearing, multistage pumps.
5. **BB3**: Between bearing, multistage, double-casing pumps.
Each pump type has specific design features and applications, making it suitable for different operating conditions and requirements.
API Pump vs. Non-Pumps
API pumps are specifically designed to meet the stringent requirements set by the American Petroleum Institute, ensuring they are suitable for use in critical applications in the oil and gas industry. Non-API pumps, on the other hand, may not meet these standards and may not be suitable for use in such demanding environments.
API pumps are typically more robust, reliable, and durable compared to non-API pumps, making them the preferred choice for applications where safety and performance are paramount.
API 610 Centrifugal Pump PDF
The API 610 standard for centrifugal pumps is available in PDF format, providing detailed information on the requirements, design criteria, testing procedures, and maintenance guidelines for API pumps. This document serves as a valuable resource for pump manufacturers, engineers, and operators involved in the selection, installation, and maintenance of centrifugal pumps in the oil and gas industry.
API 610 Pump Types PDF
The API 610 standard also includes detailed information on the various pump types defined in the standard, such as OH1, OH2, BB1, BB2, and BB3 pumps. The API 610 Pump Types PDF provides a comprehensive overview of the design features, applications, and performance characteristics of each pump type, helping users select the most suitable pump for their specific requirements.
ANSI Standard for Centrifugal Pumps
In addition to the API standard, the American National Standards Institute (ANSI) also sets guidelines for centrifugal pumps used in various industries. The ANSI standard for centrifugal pumps covers design, performance, and testing requirements to ensure pumps meet industry standards for quality and reliability.
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 types|api pump vs non pumps