Rotary positive displacement pumps. Performance tests for acceptance Ingestion-build-224916 PD 6689 provides guidance on

PD 6689 provides guidance on the use of BS EN 12271 and BS EN 12273 to specify products for Local Roads and for the Highways England Strategic Road Network (SRN)

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Machines powered by combustion engines

Building material and element manufacturers

Rotary positive displacement pumps. Performance tests for acceptance Ingestion-build-224916 PD 6689 provides guidance on1 Scope This European Standard describes specified types of acceptance tests for rotary positive displacement pumps for applications other than fluid power, excluding progressing cavity and peristaltic type pumps. This European Standard applies to the testing of pumps with and without drivers. This European Standard covers a selection of tests to establish a uniform demonstration of the pump's ability to perform satisfactorily. It does not, however,