Test Standard addresses controlled volume metering pumps.
Press Release Summary:
October 18, 2012 - Hydraulic Institute has released ANSI/HI 7.6 - 2012 Controlled-Volume Metering Pumps for Test standard for testing of positive displacement reciprocating controlled-volume metering pumps. Standard provides uniform procedures for performance testing and for recording of test results. It covers functional testing of production units, rate of flow and mechanical integrity at speed and pressure specified, and verification of performance to manufacturer's specifications.
Original Press Release
Hydraulic Institute Releases New Controlled Volume Metering for Test Standard
Press release date: October 11, 2012
The ANSI/HI 7.6 – 2012 standard provides uniform procedures for hydrodynamic controlled-volume pump performance testing and for recording of the test results of metering pumps. Vibration and acoustical testing methods are not included in this standard. Refer to ANSI/HI 9.1–9.5 Pumps – General Guidelines for Types, Definitions, Application, Sound Measurement and Decontamination, Section 9.4 Measurement of airborne sound, for acoustical testing procedures.
The following types of tests are covered in the 2012 edition of the standard:
• Functional testing of production units.
• Mechanical integrity at speed and pressure specified.
• Rate of flow and mechanical integrity at speed and pressure specified.
• Verification of performance to the manufacturer's specifications.
Other optional tests may be specified (not included in this standard):
• Steady state accuracy as described in Section 7.2.2 of ANSI/HI 7.1-7.5.
• Linearity as described in Section 7.2.10 of ANSI/HI 7.1-7.5.
• Repeatability as described in Section 7.2.27 of ANSI/HI 7.1-7.5.
• Net positive suction head required as described in Section 7.2.12 of ANSI/HI 7.1-7.5.
This standard is available now at the HI eStore for $65.00 and is available in both hardcopy and pdf format.
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