Theory ANSI HI 9.6.4 PDF


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Download ANSI HI Rotodynamic Pumps for Vibration Measurements and Allowable ANSI/HI Rotodynamic Pumps for Vibration Measurements and Allowable Values. Price (USD). Secure PDF. Single User. $ ANSI/ISEA Z Additive value per meter of height when the measurement location per Figure 9. is greater than m (5 ft) above foundation. (Adjust.

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ANSI HI Rotary Pumps Guidelines for Condition ANSI HI Rotodynamic (Centrifugal and Vertical) Pump Guideline for Allowable Operating ANSI HI Rotodynamic Pumps Guideline for NPSH asni HI - Download as PDF File .pdf), Text File .txt) or read online. ANSI HI Rotodynamic (Centrifugal and Vertical) Pumps Guidelines for. HI Pump Vibration Standards. ▫ Standards and guidelines for how much is too much? ▫ Standards available. • ANSI/HI ‐ Rotodynamic.

New content on vibration criteria at the top of the motor for vertical pumps. Solids-handling pumps with single-vane impellers excluded in the scope of the standard. Tri-axial anvil mount removed from permanent rigid mount of transducer recommendations. VS2 icon updated in Figure 9. New content on managing vibration of vertical structures recommendations.

To control the amplitudes vibrations, it is necessary to know the distribution of the natural frequencies, so it helps to design cylindrical shell cylindrical shell for optimum vibration control [5].

This paper illustrates modal analysis of vertical turbine pump base stool cylindrical shell. This paper also describes how to move natural frequency of the base stool cylindrical shell of VTP by stiffens existing cylindrical base stool shell.

asni HI 9.6.4

The bottom end of the base stool is rigidly fixed with foundation with mechanical fasteners. The other end of the base stool, motor is mounted which drives centrifugal pump at a speed of rpm which gives best efficiency for given head.

Following steps are performed to carry out finite element analysis. Table 1: Material Properties Sr. Model is meshed with tetrahedral elements. Total number of nodes and elements are and respectively. Boundary condition of base stool is such that its bottom end is fixed i. Top end of base stool cylindrical shell is free. Table 2 presents first six natural frequency of base stool.

Hi pdf ansi 9.6.4

Figure 4 shows fifth and sixth mode shapes of vibration. So, to move natural frequency of base stool cylindrical shell away, stiffness has to be increased.

Figure 5 shows modified design of VTP base stool cylindrical shell. First six natural frequency of modified model is shown in table 3. Also first two mode shapes of vibration are shown in Figure 6. By modifying design of base stool cylindrical shell at earlier stage, resonance can be avoided which leads to catastrophic failure of cylindrical shell casing.

ANSI HI 9.6.4-2009 Rotodynamic Pumps for Vibration Measurements and Allowable Values.pdf

Access from the Web or download to view locally. Order online at www. For centrifu-gal, vertical, rotary and reciprocating type pumps, information is available on nomenclature, design and application, testing, installation, operation, and maintenance.

Available in: Hardcopy: individually bound. PDF Download: provides single-user desktop access to individual Standards. Each Standardincludes an electronic index for easy document navigation.

ANSI/HI - Rotodynamic Pumps for Vibration Measurement and Allowable Values

Web-based Individual or Multi-User: provides company-wide access to one or more up-to-dateStandards for a single-user or multiple simultaneous users. Documents may be downloaded forshort-term, off-line use locally. Whether in the field visiting users or suppliers, or at a meeting discussing job specifications, the abil- ity to conveniently access standards has been tremendously useful.

Thomas L. Its easy to bring your Standards library up-to-date Mark the Standards you need on the Publications Order Form page 7. Rotary Pumps A very signifi-cant section on nozzle loadsshows how much mechanicalforce may be applied to a pumpconnection without causing harm.

Pdf 9.6.4 ansi hi

Air-Operated Pumps and Testing Contains detailedinstallation arrangements unique to air-operated pumps. Includes cross-sections of: air-operated double diaphragm pumps bellows operated pumps several check valve styles.

Slurry Pumps Over pages of valuablecontent to help you understand the defini-tions and nomenclature unique to slurrypumps.

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A section on nozzle loading hasbeen included to ensure reliable operation. Guidelines on Condition Monitoring for Centrifugal andVertical Pumps Discusses pump failure modes and causes, anddesignates 14 different failure mode indicators, with commonmeans of measurement and recommended control limits.