JB/T 8559-1997 This standard adopts the gasket size tolerance requirements in API 601-1985 "Metal gaskets for raised face pipe flange and flange connection", and stipulates three performance indicators that characterize the gasket sealing performance: compression rate, rebound rate and gas leakage rate. This standard, together with JB/T 6369-92 "Technical conditions for flexible graphite metal spiral wound gaskets" and JB/T 6628-93 "Flexible graphite composite reinforced (plate) gaskets" and other standards, constitute a series of standards for sealing gasket products. This standard stipulates the code and marking, technical requirements, test methods and inspection rules of metal-clad gaskets. This standard is applicable to metal-clad gaskets of non-metallic filler materials for pipe flanges. JB/T 8559-1997 Metal-clad gasket JB/T8559-1997 Standard download decompression password: www.bzxz.net

The standard of the machinery industry of the People's Republic of China
JB/T8559-1997
Metal clad gasket
Published on April 15, 1997
The Ministry of Machinery Industry of the People's Republic of China
Implemented on January 1, 1998
J3/T 8559-1997
The standard adopts the metal clad gasket of 601-1985 for the connection between pipe flange and pipe flange. The requirements for the gasket size are perfect, and the three performance indicators that characterize the sealing performance of the gasket are: continuity rate, rebound neutralization and gas slip rate. This standard and B/6369-*92 standard for metal gaskets, thermal insulation materials, 3J/76628-934 standard for metal gaskets (plates> gaskets) constitute a series of standards for products that are prohibited from use. This standard is issued by the Filler Standardization Technical Committee of the Ministry of Industry and is under the jurisdiction of the Ministry of Industry. The responsible unit for the standard is: 1. The Machinery Research Institute of the Ministry of Industry, the main drafters of the standard are Xiong Wei and Guan Suoyun. Standard of the Machinery Industry of the People's Republic of China, Metal Packing Plates, TB/T8559-1997, This standard specifies the marking method, technical requirements, test methods and inspection rules for metal packing plates. The standard is applicable to metal packing plates with simple connection and non-metal packaging, and 2 referenced standards. tt||The clauses contained in the following standards become the text of this standard through reference in this standard. When this standard is issued, the relevant versions are valid. All parties qualified to subscribe to this standard shall use the most recent version of the following standards as the main body, GB12386-SC
HT12629-.10
3 Product classification and model
Material and code
Pipe flange gasket balance performance test method Pipe flange gasket compression end rate and rebound point late for the gold package frame gasket (hereinafter referred to as the simplified gasket production needle needle code 1. Table 2 play standard. Same customer classification material 2 have special requirements you pull the agreement code not light
Play material
Flexible stone island liquid
Lead silicate fire rising male
Fake Bo training
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Approved by the Ministry of Machinery Industry on 1997-04-15
1998-01-1h1 Field application
3. 2 Model
Jinliang Baohua
Model demonstration plan
Txs-10a-4. 0-3, s:59
Gold bottom package
JBT85591997
Actual belt number
Main force, MPs
Main diameter,
Filling material number
Golden exhibition coating material agent
Support network package fast! Main point diameter mMain displacement pressure is 4.Pe, gold grid material is special filling village material is cotton
+Technical requirements
4.1 Seat month material
+1.1 The card of the virtual coating grid material should be in accordance with the corresponding financial standard. The total thickness of the material is 0.25~0.5 plus m41.2 The production of the filling material should also comply with the relevant specifications of the corresponding financial material. The thickness of the filling material is Generally, it should not be less than 1.mm. 4.2~ Special
4.2.1 Filling materials will also form a point due to the shell. The surface of the metal must be flat and smooth, and no defects such as plastic system, folding, foreman and diameter test mark are allowed.
4.2.2 The material of the metal package is a whole metal mesh plate. It needs to be spliced. The joint difference is not as specified in Table 2. The single seam must be with material A:
The joint is not sensitive
4.3 The tolerance of the heat transfer sheet is as specified in the table.
The nominal diameter
Some sheets are outside
$5-123:
4.1 The length of the guard sheet should meet the requirements of the three-dimensional time limit of the single sheet
RGI GI
Purple Clearance
5 Test Method
5.1 Appearance Quality Inspection Table of Gasket:
IB/T8569
20--35
5.2 The size accuracy of gasket shall be 31 with standard caliper and the measurement accuracy shall be 15.3 The test of gasket seam and return rate shall be carried out according to the provisions of B13622, the total load of gasket shall be 1MPa;
The total load of gasket shall be 59MPa:
5.4 The test rate of gasket shall be 312385 square meters. The test strip shall be 4Ma.
6 Inspection Rules
6.1 Gasket shall be inspected by the manufacturer and the inspection department before it can leave the factory. 2. Factory control inspection and type control temporary inspection (. 3. The "qualified inspection" items are 13 items that exceed the standard, 4.4.1. The type control inspection items are 4 items that have been specified for inspection. There are the following circumstances: a) trial production of new products:
) there are major defects in product quality, materials, process, etc.: ) continuous production time of 1 year:
d) production of over-qualified items:
! The results of the first inspection are no different from those of the last type inspection; the superior quality supervision agency is required to conduct type inspection. 6.5 Sampling and determination rules
6.5.1 Sampling method
1. 0x13-:
For the same type of gaskets, 100 pieces are drawn and combined, and 100 pieces are returned as a batch. (5.2 Regulations
During the inspection, if there are pieces that do not meet the requirements of the specified standard, they will be selected and accepted. If there are pieces that do not meet the requirements of this standard, the batch of products will be unqualified.
Marking. Packaging, transportation and storage
7. 1. Mark
Quick film is packed in wooden box with waterproof paper. The packing materials should be taken into consideration to ensure that it will not be damaged or lost during transportation and storage. 2.2 The packing compartment is temporarily attached with the following mark: 1. Product name
2. Product trademark
3. Manufacturing:
4. Product number:
5. Production specification:
6. 7.2 Packing
1B8559-199
7.3. Packing
1B8559-199
8.4. Packing
1B8559-199
9.5. Packing
1B8559-199
10.6.1 Quick film is packed in wooden box with waterproof paper. The packing materials should be taken into consideration to ensure that it will not be damaged or lost during transportation and storage. 11.7.2 Quick film is packed in wooden box with waterproof paper. The packing materials should be taken into consideration to ensure that it will not be damaged or lost during transportation and storage. 12.3.1 Quick film is packed in wooden box with waterproof paper. The packing materials should be taken into consideration to ensure that it will not be damaged or lost during transportation and storage. 13.4.2 Quick film is packed in wooden box with waterproof paper. The packing materials should be taken into consideration to ensure that it will not be damaged or lost during transportation and storage. 14.5.2 Quick film is packed in wooden box with waterproof paper. The packing materials should be taken into consideration to ensure that it will not be damaged or lost during transportation and storage. 15.6.2 Quick film is packed in wooden box with waterproof paper. The packing materials should be taken into consideration to ensure that it will not be damaged or lost during transportation and storage. 16.6.3 Quick film is packed in wooden box with waterproof paper. The
T. 2. 3 The products packaged for sale should be qualified and marked with the following: A) product name
1.) product trademark;
product mark;
2.) batch number:
3.) production date and expiration date:
manufacturer name:
4.) inspection code or code
7.3 Transportation and storage
7.3.1 The films must be protected from moisture during transportation. The products should be carefully stored in a clean, well-maintained and secure warehouse.
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