GB/T 33551-2017Portable small-type diesel engine-pumps direct-linking unit—Specification for performance evaluation (English PDF)

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This standard specifies the performance rating of small and medium-sized diesel engine-pump units, other requirements, test methods, inspection rules and Can level identification and so on.

This standard applies to supporting power <= 11.03kW light and small diesel engine - pump straight unit (hereinafter referred to as the unit).

2 Normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this document. For undated references, the latest edition (including all modifications) applies to this document.

GB/T 2828.1 Sampling inspection procedures Part 1: Batch inspection sampling plan for retrieval by quality limit (AQL)

GB/T 2829 Periodic inspection count Sampling procedures and tables (for inspection of process stability)

GB/T 3216 rotary power pump hydraulic performance acceptance test 1, 2 and 3

JB/T 6665 light and small diesel engine - pump straight unit

3 Performance rating evaluation index

The standard through the assessment of the provisions of the unit flow, the provisions of the head and the unit fuel consumption rate to determine the performance level of the unit. Unit performance Grade is divided into 1,2,3 three grades, a level that the highest performance unit. The evaluation index of each performance grade shall meet the requirements of Table 1.

4 Other requirements

The type of the unit, other basic parameters and technical requirements shall comply with the provisions of JB/T 6665.

5 Test method

5.1 Test unit performance level 1 level of the test should be in accordance with GB/T 3216 provides a measurement uncertainty of 1 on the test bench;