Last edited by Tojarn
Tuesday, August 4, 2020 | History

2 edition of Shaft sealing systems for centrifugal and rotary pumps found in the catalog.

Shaft sealing systems for centrifugal and rotary pumps

American Petroleum Institute. Manufacturing, Distribution, and Marketing Dept.

Shaft sealing systems for centrifugal and rotary pumps

by American Petroleum Institute. Manufacturing, Distribution, and Marketing Dept.

  • 191 Want to read
  • 36 Currently reading

Published by American Petroleum Institues in Washington, D.C .
Written in English

    Subjects:
  • Sealing (Technology) -- Standards.,
  • Centrifugal pumps -- Standards.,
  • Rotary pumps -- Standards.,
  • Shafting -- Standards.

  • Edition Notes

    StatementManufacturing, Distribution, and Marketing Department.
    Classifications
    LC ClassificationsTJ246 .A38 1994
    The Physical Object
    Paginationvii, 125 p. :
    Number of Pages125
    ID Numbers
    Open LibraryOL627191M
    LC Control Number96227586
    OCLC/WorldCa34388130

    Whenever replacing a bearing in a rotary pump, replace the seal as well. It may have been exposed to contaminants and could be prone to failure. Friction. Because heat within a rotary system does not dissipate in the same way as in a linear system, both the shaft surface and the area around the seal . A compact centrifugal blood pump has been developed as an implantable left ventricular assist system. The impeller diameter is 40 mm, and pump dimensions are 55 × 64 mm. This first prototype, fabricated from titanium alloy, resulted in a pump weight of g including a brushless DC motor. The weight of a second prototype pump .

    Centrifugal pumps are the most common type of pumps found in DOE facilities. Centrifugal pumps enjoy widespread application partly due to their ability to operate over a wide range of flow rates and pump . The seal oil system prevents gas from leaking out of the compressor case. Fig. is a schematic of a typical seal oil system working in combination with a buffer gas system. These systems require auxiliary equipment such as pumps.

    Rotary seals. A rotary shaft sealing system that outperforms both mechanical seals and compression packing sets in flushed abrasive services does not require water to lubricate seal surfaces. Instead it forms a bearing relationship with the face of the shaft in the seal . Pump Guidebooks. Pump Guidebooks are available in Hardcopy or Secure PDF format. Select from a number of titles covering a multitude of various topics such as Optimizing Pumping Systems, Mechanical Seals, Wastewater Treatment Plant Pumps, Reliability of Pumping Equipment, Variable Frequency Drives, Power Plant Pumps, and Pump .


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Shaft sealing systems for centrifugal and rotary pumps by American Petroleum Institute. Manufacturing, Distribution, and Marketing Dept. Download PDF EPUB FB2

This standard specifies requirements and gives recommendations for sealing systems for centrifugal and rotary pumps used in the petroleum, natural gas, and chemical industries. See A and A It is the responsibility of the purchaser or seal vendor to ensure that the selected seal Author: API.

Pumps—Shaft Sealing Systems for Centrifugal and Rotary Pumps API STANDARD FOURTH EDITION, MAY Special Notes API publications necessarily address problems of a general nature.

With respect to particular circumstances, local, Pumps—Shaft Sealing Systems for Centrifugal and Rotary Pumps File Size: 5MB. Pumps—Shaft Sealing Systems for Centrifugal and Rotary Pumps Pumps—Shaft Sealing Systems for Centrifugal and Rotary Pumps. The same warning shall be included in the seal drawing and instructions.

One copy of the seal. drawing is to be included in the plastic bag which contains the metal plugs in addition to the copy of the. seal drawing that is included in the box with the seal.

The metal plugs. ISO (en) × ISO (en) Pumps. Shaft sealing systems for centrifugal and rotary pumps. Buy. Follow. Table of contents. Foreword. Introduction. 1 Scope. This International Standard specifies requirements and gives recommendations for sealing systems for centrifugal and rotary pumps.

Pumps— Shaft Sealing Systems for Centrifugal and Rotary Pumps, Fourth Edition: API Std Sealless Centrifugal Pumps for Petroleum, Petrochemical, and Gas Industry Process Service, Second Edition: American Society of Mechanical Engineers (ASME) ASME B Specification for Horizontal End Suction Centrifugal Pumps.

Pumps — Shaft sealing systems for centrifugal and rotary pumps 1 Scope This International Standard specifies requirements and gives recommendations for sealing systems for centrifugal and rotary pumps.

The API standard, which dates back to and is formally known as Shaft Sealing Systems for Centrifugal and Rotary Pumps, offers specifications and best practices for mechanical seals and systems to pump.

Abstract Preview. ISO specifies requirements and gives recommendations for sealing systems for centrifugal and rotary pumps used in the petroleum, natural gas and chemical industries.

It is applicable mainly for hazardous, flammable and/or toxic services where a greater degree of reliability is required for the improvement of equipment availability and the reduction of both emissions to the atmosphere and life-cycle sealing costs.

SARBS Pump Maintenance Seminar, June 7, Factors influencing leakage Seal face condition Running-in process Process influences Stability of seal face Condition of the secondary seals Face.

NSPL PUMP SEAL DESIGN (API ) Based on APIall mechanical seal shall be cartridge design. completely self-contained unit (including seal faces, flexible elements, seal gland plate, sleeve, and mating ring) which is pre-assembled and preset before installation It covers seals for shaft diameters from 20 mm to mm Seal.

Note: Due to the almost vertical curve slope of rotary pumps (b), their performance curves are usually and historically plotted as shown on (c) (i.e., flow vs. pressure).

(a) Centrifugal Q H Pump System Operating point (b) Rotary Q P Pump System Operating point (c) Rotary pump. Describes requirements and gives recommendations for sealing systems for centrifugal and rotary pumps used in the petroleum, natural gas, and chemical industries.

Description / Abstract: This standard specifies requirements and gives recommendations for sealing systems for centrifugal and rotary pumps used in the petroleum, natural gas, and chemical industries.

Alfa Laval Pump Handbook 67 Pump sealing 6. Pump Sealing This section covers the shaft sealing devices used on Alfa Laval Centrifugal, Liquid Ring and Rotary Lobe Pumps. In addition to shaft seals, other proprietary seals not detailed in this section, such as ‘o’ rings and lip seals.

Mechanical Seals. These are the most effective, and most expensive sealing arrangements for slurry pumps. A mechanical seal consists of two parts, one section is fixed to the shaft, the other fixed to the stationary pump housing.

The interface of these two components is the mechanical seal. Process Industry Practices. Machinery. PIP REEP Pump Selection Guidelines.

Pumps-Shaft Sealing Systems for Centrifugal and Rotary Pumps vanes, screws and lobes of rotary pumps. Provides standard directions for conducting and reporting performance tests of centrifugal pumps, including those of the mixed flow and axial flow types, hereinafter inclusively covered by the term "pumps.".

The shaft seal is a sealing element which seals the rotating shaft of a centrifugal pump where it passes through the non-rotating pump casing, reducing fluidleakage to atmosphere or the entry of air from outside to a certain level, and keeps wear of the sealing faces as low as possible.

Pumps. (a) Centrifugal H Pump System Operating point Q (b) Rotary P Pump System Operating point Q Q slip (c) Rotary pump P FIGURE 6 Pump operating point — intersection of a pump and a system curves.

Note: Due to the almost vertical curve slope of rotary pumps. 2 DeltStream pump 5 Exp Not used Seal failed 3 Centrifugal pump 4 LS40 Used Pump chamber failure 4 Centrifugal pump Exp Used + On-going Figure 2.

Centrifugal pump. A magnetic fluid seal with a shield is installed on an impeller shaft.Pumps Shaft Sealing Systems for Centrifugal and Rotary Pumps This International Standard specifies requirements and gives recommendations for sealing systems for centrifugal and rotary pumps .Explain the construction of a line-shaft turbine pump.

Name the two types of flow possible in a propeller pump. Tell the function of diffuser vanes in an axial-flow propeller pump. Define electrochemical corrosion and state its cause. Describe fluids that can be pumped by a regenerative turbine pump. Chapter 5: Rotary Pumps.