JB/T 9090-1999 JB/T 9090-1999 Hydraulic and leakage test for positive displacement pump components JB/T9090-1999 Standard download decompression password: www.bzxz.net

ICS23.080
Machinery Industry Standard of the People's Republic of China
JB/T9090—1999
Hydrastatic and leakage tests for positive displacement pump components
Issued on July 12, 1999
National Bureau of Machinery Industry
Implementation on January 1, 2000
JB/T9090-1g
This standard is a revision of ZBJ71018—Hydraulic and leakage tests for reciprocating pump components. Compared with ZB710189, the main technical contents of this standard are modified as follows: 1. The applicable range is expanded from "reciprocating case" to "capacity original", and "the test result evaluation of "no visible deformation of the parts after filtering and leakage test is qualified" is changed to "no plastic deformation is qualified". This standard replaces 7B101890 from the date of implementation. This standard is proposed and regulated by the National Technical Committee for Standardization! 1. The responsible unit for the drafting of this standard is: Hepei General Machinery Research Institute, and the main drafter of this standard is: 4.
■Scope
Machinery Industry Standard of the People's Republic of China
Hydraulic and leakage test for positive displacement pump components
Hydraulic and leakage teste for positive displacement pump componentsET9090—1999
Generation 2R: 018-
This standard specifies the hydraulic and leakage test objectives, test force and technical requirements for volumetric components and the test results. This standard is applicable to the hydraulic and leakage test of components with a flow rate higher than 0IP (hereinafter referred to as the "test conditions"), and weak positive and negative components and static leakage before the leakage. 2 Definitions
This standard adopts the following definitions.
2.1: Pressure components, components that are subjected to liquid or gas. 2.2 Pressure test
After sealing the components such as bearings, the pressure strength and tightness are checked by the internal pressure of the fluid: 2.3 Leakage test
Check the tightness and processing quality of the components and valve group static seals. 2.4 Test medium
Test parts, water emulsion filter as the medium for pressure test, kerosene as the medium for rate test, 2.5 Test pressure is the specified pressure reached by the test medium in the pressure test, 2.6 Holding pressure time
The time the test should last under the specified pressure of the hydraulic test, 2.7 Holding pressure sink rate
Refers to the holding time to maintain the pressure drop value exceeding the relative limit value (expressed in white) 3 Test items
3.1 The following pumps should be tested for liquid:
Liquid inlet cylinder, stuffing box, discharge pipe, manhole, liquid cavity, cylinder etc.; b) The parts specified in the drawings shall be subject to hydraulic test, 3.2. The remaining parts shall be subject to leakage test) and sent to the review group, body, outer box, water tank, etc. The parts specified in the drawings shall be subject to leakage test, approved by the State Administration of Industry and Commerce on 1999-07-12, implemented on 2000.01-01
Test method and technical requirements www.bzxz.net
JET9090-1999
4, 1 Condensation test should not issue an order for the department to report low acid test, the company should have a safety pad 4.2 Micro-war:, the sealing test should verify the quality of the internal filling of the parts and the gas rate is complete. 4.3 The pressure test room is a card ticket "white section safety two! Liu tested parts add card. 4.1 The hydraulic test does not always have a large impact on the test results of the wrong hydraulic parts. 4.5 The hydraulic test is not less than 1.5 levels. 4.6 For parts with complex pressure control conditions (such as leakage control body), it is allowed to conduct port bed tests according to the large force division. 4.7 The department after the supplementary group is out of the test and re-tested. 4.8 Anti-attractant can be added to the test quality
4.9 The test pressure of the liquid test is as specified in Table 1: Table
>31.-5℃
56-100
213 Straight low yield 48
1.25 P, Monthly not less than 65
3[.2 Monthly not less than 125
Permissible pressure drop\n
4.9.1 Whether the full valve discharge pressure is higher than 1000MPa, the test pressure should be: 0.5MPa
4.9? The hydraulic test pressure of the parts subjected to high temperature medium should be the value in the table multiplied by the material's service limit at room temperature and the value of the material's service limit at high temperature, that is, the test time should be within the range of 1000MPa/|tt||, the test time should be within the range of 1000MPa/|tt||>0.03--0.1
, the test time should be within the range of 1000MPa/|tt||, the test time should be within the range of 1000MPa/|tt||, the test time should be within the range of 1000MPa/|tt|| The sealing part cannot be sealed, and the allowable pressure drop rate should not exceed the provisions of Table 4Ⅱ. After the hydraulic test, the water flow is removed. During the luster test, the surface of the device and other parts shall be filled with kerosene for inspection. The test time shall not be less than 1mm: 2.3 Before the rapid flow test on the components such as the reading period, the static tightness of the assembly shall be checked again with kerosene for light time. 4. There is a hydraulic test result in the addition of reading and selecting the test results. Strictly determine the test results of JRT9090-5599. After the hydraulic and paint tests, the parts meet the following requirements: Li part mixing without doubt: paint stagnation and juice removal on the surface of the parts.
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