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ISA RP75.21

Original price was: $90.00.Current price is: $45.00.

ISBN: 1-55617-206-0-T * W/D NO S/S

The document describes a technique for the communication ofprocess data and other special requirements among the partiesinvolved to facilitate the selection of control valves, theiractuators, and accessories. The technique includes, but is notlimited to, such features as a process data envelope, a processschematic, a process piping configuration, and a process dataworksheet, which may be used in combination or in part asappropriate to the specific application. Development andverification of design and actual process conditions at the finalcontrol element are more easily and thoroughly accomplished using a”standard format.”

Purpose

The purpose of this document is to assure an adequate exchangeof process conditions and other pertinent information between theprocess system designer or the person who specifies the controlvalve, and the control valve supplier. The technique is notintended for use on all normal applications, but it may be a usefultool for obtaining the process data needed. Several suggestedextraordinary applications where very complete data is required arelisted in Section 9.

Edition:
89
Published:
01/01/1989
Number of Pages:
18
File Size:
1 file , 330 KB

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ISA RP75.21
Original price was: $90.00.Current price is: $45.00.