HG/T 3693-2001 Technical requirements for rubber diaphragm pressure stabilizing valves
Some standard content:
1CS 71. 120 ; 25. 040. 40; 17. 040. 3DG 97
Chemical Industry Standard of the People's Republic of China
HG/T3692~3693—2001
Technical Conditions for Metal and Rubber Diaphragm Pressure Regulating Valves2002-01-24Released
20020701Implementation
Released by the State Economic and Trade Commission
Registration No.: 10171—2002
HG/13693—2001
With the increase of the income of each petrochemical industry, the material is continuously released. This standard is created to meet the needs of professionalism in the petrochemical industry.
This standard is available for release by all general companies. This standard is managed by the Chemical Industry Instrument Standardization Technical Committee. Standard origin unit: Ministry of Chemical Industry, Chemical Industry Mechanical and Electrical Research and Design Institute: This standard mainly applies to new single product enterprises, Shang Zhaolian, and the People's Republic of China Chemical Industry Standard
Technical conditions for rubber diaphragm pressure regulating valves
Sipecifications tcr rnbber diaphragm pressure rugulntu1 Scope
HG/T3693—2001
The standard defines the definition, requirements, test methods, inspection specifications and marking, packaging, storage of cavity membrane pressure test. This standard is applicable to nominal PNC.MPa. Nominal diameter DN2~6mm, ring source seat not greater than SU. Medium is new gas, gas, etc. Chemical instrument special port transfer 2 fixed text
Technical standard for use:
2.1 Rubber sheet out of the stability of the rigid
work force balance taste, as far as possible use your standard sheet this compensation figure 2.2 pressure physical
symptoms test is the provisions of the test, said the impact pressure by the amount of the pressure, 2.3 data transmission
proof of the test camel [in the middle of the test, the small extract of the market only with the flow rate change of the disk 2.4 left seal
and the test pressure side busy, the state of the gas group leakage. 3 requirements
3.1 General requirements
rubber sheet generation total positive test coating can meet your standard requirements, but also according to the provisions of the approved product drawings and technical documents selected. 3.2 safety requirements
3.2. 106MP,
3.2.2E pressure range 0.-0.3 MPu.
3.2.3 Maximum pressure: 0.0:MP:1.
3.2.4 Discharge volume range 0~l055ml/mn, 3.3 T Normal work strip
3.3.1 Ice filter: 5~50.
3.3.2 The bottom of the environment has no storage and brushing changes. 3.3.3. [. The gas is clean and clean. 3.4 Appearance
The outer surface should be free of stepping, damage, and the firmware should not have any signs of movement. The wrong light should be made. 3.5 Gas performance
3.5.1 Wearing film type pressure-free reading in the amount of gas box. 5MPa pressure six, pressurized 5ir and its cover should not leak, National Economic and Trade Commission 2002 -0124 approved for implementation on 2002-07-01
HE:3693200#
3.5.2 The frequency of the network is usually 0.6M, and the drag output of the handle is less than 0.3f./r.
3.6 Working force characteristics
The vehicle gives the minimum set output force + maximum force loss) ratio of the signal input value within the specification, and the output pressure is within the absolute value of the CCCP under any given change. 3.7 When the input volume is large, the output flow is obviously within the specified range, and the output power is not changed in the absolute store in the supply setting) Ph
3. Day temperature
3. Day, 1 mold glue first piece of voltage regulator is not packed under the condition, when selecting the room:, the temperature chart is (83+1) the core medicine high temperature test should comply with the wood standard 3.5,3.6.3. 7 requirements:
3.8.2 Selected iodine tablets shall be subjected to low temperature conditioning at a temperature of 6°C (-5±1°C) under eight packaging conditions, and shall meet the requirements of 3.7 of this standard.
The total tablets shall be subjected to a temperature test of 121°C (25°C-3°C) and a humidity test of 0.5%-3% under packaging conditions for a period of 121°C. The test results shall be in accordance with the requirements of 3.6 and 3.7 of this standard. 4 Test method
|4.1 Test station gas meter installation as shown in the figure: gas source fire gas, Xie Jie steady water valve W,,, mountain Ma.4.1.1 Guanzhou appearance response X, the company was continent blanket pressure version W,, for.MPa. Block W: will be people Si fine slip min, show Li station length except tour 3.5.[requirements
4.1.2 test was continent connected to the correct W, the handle of the share, hit the meter pregnant smell, I near the single add mouse Kun meter readings, blood derivative standard elimination 3..2 infant requirements,bZxz.net
P, a gas source with meter: F before the pressure meter: [, fear also positive force state: W release state; W, flow pressure measuring valve: shape: 1 product unique before base
Figure test all the way installed thunder
4.2 The gas circuit of the positive force characteristic test is shown in Figure 1. The gas source is the air regulator needle-shaped Min X, which can make the output system or maintain it at any position within the specified range. By adjusting W, the size of P can be changed. The change of P should meet the requirements of the standard. When the value of P is a certain value, the change of the working force can be calculated according to the formula: aP = (r2u - Pau) s:2 cnaP:. In the formula: F:
output force change:
IGT3693
… minimum input pressure
output force at minimum input pressure
4.3 Characteristic test
The test gas circuit is shown in Figure 1. The gas source is nitrogen. When P is the maximum auxiliary pressure, the flow rate changes within the specified range. The change should meet the requirements of 3 and 7 of this standard: 4.4 Type test
The test device is shown in Figure 2. The gas source is oxygen. The sensitive pressure net W is fixed on the vibration device and the vibration rate is 2! 1z and the amplitude is ± 0.1mm. It lasts for 2h. Vibration test. During the test process, 1. Test every 10 minutes according to the methods of 4.2 and 4.3 of this standard. At the same time, the test should be carried out again according to the methods of 4.2.4.5 of this standard. The results should meet the requirements of 3.10 of the technical standard. EE
一气还小P一拍人历一山来W一断W一急：Z—探动台Y—单停乐仪X—计形降：—流仪Figure 2 Vibration test device
4.5 Environmental test
4.5.1 High temperature test
Under the condition of no packaging, release the vibration at (8U 2 1): constant pressure pen towel, for 61 hours, then carry out the test according to the methods of 4.1,.,4. of this standard. Then in the air-resistant environment, the same method is used to test the results. The results should meet the requirements of 3.3.1 of this standard. After the test, the three-way stability test is carried out daily. There should be no rust, damage, and other damage. The joints and points are smooth, the handles should be flexible, and the fasteners should move freely.
4.5.2 Low-pressure test
The emergency valve is placed in a constant temperature box under human packaging conditions (--5 ± 1:1 for 5h5) and tested according to the methods of 1.1, 1.2, and 4. of this standard. Then in a multi-temperature environment, placed above 1, and tested again according to the same method. The results all meet the requirements of 3.8.2 of this standard.
After the cumulative test, the requirements of 4.5, 1, and 4.6 environmental tests are improved.
The stability is not The packaging is placed in a humidity chamber at a temperature of (2513) and a relative humidity of (95-3)%. The temperature is 12 hours. The method of 4.1.4.2 and 4.3 of this standard is used to test the product. If the product meets the requirements of 3.3 of this standard, the daily test shall be the same as 4.3.1. After the test is completed, the daily test shall be the same as 4.3.1. The test is divided into factory inspection and plastic inspection. 5.1 Factory inspection 5.1.1 Qualified inspection items account for 3.4.3.5, 3.6.3.7 of the standard. 5.1.2 Judgment test IC/T3693-2001 The factory inspection of each product is carried out one by one according to the items specified in 5.1. If one of them fails, it is an unqualified product. 5.2 Type inspection
Type inspection should be carried out when there are major changes in the product quality, materials or process, when new products are trial-formed, adjusted, or after production is stopped. Periodic inspection during normal production should be carried out at least once every three years. 5. 2. 1 All requirements specified in this standard are the type inspection items. 5.2.2 Sampling plan and judgment rules
Details of the number of inspections The number of products must be 3, but not less than 3. If a sample is found to be unqualified once during the test, the unqualified samples shall be double-checked. If it is still unqualified: the batch of products shall be judged as unqualified products. 6 Marking, packaging, storage
6.1 Marking
6.1.1 Nameplate
b Manufacturer name or trademark,
b Product name and model,
d Nominal pressure and diameter.
6. 1. 2 Information
The pressure on the pressure chest is indicated by an arrow indicating the direction of the flow of the gas. 6.2 Packaging
6.2.1 When the valve is in the factory, the inlet and outlet are both aligned, and the valve itself is covered with a deep plastic bag and properly packaged. The valve seat is water-tight and can be removed by land or air.
6.2.2 The packaging box should be accompanied by the product instruction manual, product quality certificate, and packing list. 5.2.3 The packaging box should be marked with: a) Product name and model: h) Name and address of manufacturer: "Handle with care", "Pressure protection", "Secret instrument", etc. and corresponding patterns. 6.3 The storage environment should be at least 5 degrees Celsius and the relative humidity should not be less than 10%. The room should be kept cool and well ventilated. No corrosive gases or irritating chemicals. 12
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