SY/T 5043-1993 General technical requirements for pneumatic components used in petroleum drilling equipment
Some standard content:
SY/T 5043-93, Petroleum and Natural Gas Industry Standard of the People's Republic of China
Pneumatic components for oil drilling and production equipment
General technical conditions
Published on November 16, 1993
China National Petroleum Corporation
Implementation on May 1, 1994
1 Subject content and scope of application
Pneumatic components for oil drilling and production equipment of the People's Republic of China
General technical conditions
SY/T 6043--93
Replaces SY5043-84
This standard specifies the general technical provisions for pneumatic components for oil drilling and production equipment. This standard applies to pneumatic components for oil drilling and production equipment using compressed air as the working medium (hereinafter referred to as pneumatic components). 2 Reference standards
SY5283 Quality classification of pneumatic components for oil drilling equipment 3 Technical requirements
3.1 Working environment conditions
Pneumatic components should be able to work normally under the following environmental conditions: a. Ambient temperature: -40~60°C;
b. Relative humidity: ≤90%;
C. Vibration frequency: ≤25Hz
d. Amplitude: ±1mm;
The air contains trace dust or salt mist.
3.2 Working medium and conditions
The working medium used by pneumatic components is compressed air, and the working medium should meet the following requirements: The temperature of compressed air, -40~60°C; a.
b. The compressed air should be dried and purified, and the allowable fluctuation range of the compressed air pressure value is soil 10%. c
3,3 Performance requirements
3,3. 1 Basic performance
Pneumatic components should be able to achieve the specified functions and operate normally under the specified working conditions. 3.32 Flow characteristics
3.3.2.T Pneumatic components should be tested for flow characteristics, and their values should comply with the relevant provisions of SY6283. 3.3.2.2 Flow characteristics can be expressed by one of the following parameters or characteristic curves: a. Effective cross-sectional area S value;
b. Ratio of effective cross-sectional area S to critical pressure; c. Flow characteristic curve.
3.3.3 Leakage
Pneumatic components should be tested for leakage, and their values should comply with the relevant provisions of SY5283. 3.3,4 Pressure resistance
Pneumatic components should be tested for pressure resistance as required. The test pressure is 1.5 times the nominal pressure, and the pressure holding time is 1min. 3.3.5 Durability
Approved by China National Petroleum Corporation on November 16, 1993, implemented on May 1, 1994
SY/T 5043--93
Pneumatic components shall be subjected to durability tests, and their values shall comply with the relevant provisions of SY6283. 3.3.6 Vibration resistance
Pneumatic components shall be subjected to vibration resistance tests. After the test, the connection parts of the pneumatic components shall not be loose, the parts shall not be damaged, and all performances shall still comply with the relevant provisions of SY5283. 3,3.7 Temperature resistance
Pneumatic components shall be subjected to temperature resistance tests. Placed in an environment of -40\C and +60°C for 6 hours respectively, its performance shall still comply with the relevant provisions of SY5283 after the test.
4 Test conditions
4.1 Test medium
4.1.1 The test medium shall be compressed air that has been dried and purified. 4.1.2 Medium temperature: 0~50\C.
4,1.3 Medium pressure: The medium pressure shall comply with the provisions of the relevant standards, and the allowable pressure fluctuation value shall be ≤ 4%. 4.2 Environmental conditions
.4.2.1 Environmental temperature: 10~35C.
4.2.2 Relative humidity: ≤85%,
.4,3 Test instruments and meters
4.3.1 The range and resolution of the test instruments and meters shall comply with the provisions of the standards. 4.3.2 The test instruments, meters and test equipment shall be calibrated by the statutory metrology verification agency and shall have a valid verification certificate.
Accuracy of instruments and meters
Pressure gauge: type inspection shall not be less than 1%; factory inspection shall not be less than 1,5%. b.
Flow rate certificate: type inspection shall not be less than 2.5%; factory inspection shall not be less than 4%. 5 General requirements for manufacturing
5.1 Processing of parts
5,1.1 Pneumatic components shall be manufactured in accordance with drawings and technical documents approved by prescribed procedures. 5.1,2 The material properties of all parts shall comply with the provisions of relevant standards. 5.1.3 The machined surface of parts shall not have rust and defects such as scratches, burrs, cracks, etc. that affect performance, life and appearance. 5.1.4 The surface treatment of castings and plastic parts shall comply with the provisions of relevant standards. The same parts of pneumatic components of the same specification and model can be interchangeable. 5.1.5
5.2 Assembly
Parts can be assembled only after they have passed the inspection. 5.2.21
All parts should be cleaned of burrs and scrubbed clean before assembly, and the mating surfaces should be coated with clean lubricating oil. 5.2.3
All rubber components should be cleaned of burrs before assembly, and the mating surfaces should be rinsed clean and coated with clean lubricating oil. 5.2.4
The edges of the joints of the pneumatic components should be flat, and the misalignment should be within the specified range. 5.3 Appearance quality
5.3.1 The outer surface of the pneumatic components should be treated with rust and corrosion prevention, and should comply with the provisions of the relevant standards. 5,3,2 The protective layer on the outer surface of the pneumatic components should not have defects such as peeling, blistering, and obvious scratches. 6 Inspection rules
6.1 Factory inspection
6,1.1 The inspection shall be carried out by the quality inspection department of the manufacturer or by other units entrusted to it. SY/T5043-93
6.1,2 Factory inspection items are divided into two categories: mandatory inspection and random inspection. The items for random inspection and mandatory inspection should be indicated in the product standards. .6.2 Type inspection
6.2.1 Type inspection shall be carried out when any of the following situations occurs: a. Trial design and identification of new products or old products transferred to the factory for production; b.
After formal production, the structure, materials and processes have changed significantly, which may affect the product performance; during normal production, an inspection shall be carried out periodically after a certain amount of production has been accumulated; c.
d. When the product is resumed after a long period of suspension; e. When the factory inspection results are significantly different from the last type inspection; f. When the national quality supervision agency proposes a type inspection requirement. 6.2.2 Pneumatic components for type inspection shall be randomly selected, and the quantity shall be 3 units (pieces), one of which shall be subject to full-item inspection, and the rest shall be subject to performance inspection only. If one unit (piece) does not meet the requirements during the inspection, double the number of units shall be selected for re-inspection. If all the re-inspected samples meet the requirements, the product shall be considered qualified except for the unqualified samples sampled for the first time. If there is any re-inspection If the product fails to meet the standard, the batch of products shall be deemed to have failed the type inspection.
Marking, packaging and storage
7.1 Marking
7.1, 1 Pneumatic components shall have a nameplate with beautiful appearance, clear lines and appropriate size, and fixed at an appropriate position on the shell. 7.1.2 The nameplate shall include the following contents:
a: Name and model of the pneumatic component;
b: Main technical parameters of the pneumatic component (nominal diameter, nominal pressure , cylinder bore and stroke) C. Manufacturer name or registered trademark;
d. Year and month of manufacture.
For micro and small pneumatic components, at least the manufacturer name or registered trademark should be indicated. 7.1.3 For pneumatic components with directional requirements, arrows or other symbols should be used to indicate them at appropriate locations. 7.1.4 The air ports of pneumatic components should have obvious permanent markings. The letter symbols of the air ports are as follows:
a. Air source port: P;
b. Output port: A, B, C, *..*
Exhaust port: 0, 010...Www.bzxZ.net
d. Control port: K, K..K..
了.2 Packaging
了2.1 Pneumatic components can be packaged only after they have passed the inspection. The air ports of pneumatic components should be sealed with rubber and plastic plugs. 7.2.2 Pneumatic components should be sealed with plastic film or moisture-proof paper before packing. 7.2.3 Each box of products shall be accompanied by random documents wrapped in plastic film or moisture-proof paper. Random documents include: a. Product certificate
b. Product instruction manual
Contents include: product name, model, purpose, appearance, installation connection dimensions and installation precautions, structural diagram, working principle, main performance parameters, use and maintenance methods and spare parts list, etc.; G. Packing list
The packing list should indicate: product name, model, product quantity, packing date, packing personnel name or work number, accessory name and model, manufacturer name, address and zip code; d. The appearance of the packaging box should be marked with indelible marks, including: product name, quantity, receiving unit and detailed address, issuing unit and detailed address, net weight and gross weight, and external dimensions of the packaging box. S
SY/T 5043-93
7.3.1 Pneumatic components should be stored in a dry, ventilated room without corrosive media. The storage period is one year. 7.3.2 Under the condition that the user complies with the rules of use, installation and storage, if the pneumatic components are damaged or fail to work properly due to quality problems within the service life specified by the manufacturer, the manufacturer shall be responsible for repairing or replacing them for the user free of charge. Additional remarks:
This standard is proposed and managed by the National Technical Committee for Standardization of Petroleum Drilling Equipment and Tools. This standard is drafted by the Jianghan Machinery Research Institute of China National Petroleum Corporation. The main drafter of this standard is Shen Shuguo.
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