GB 13623-1992 Safety and performance requirements for aluminum pressure cookers
Some standard content:
National Standard of the People's Republic of China
Safety and characteristics of aluminium pressure cooker requirementSubject content and scope of application
GB13623-92
This standard specifies the terminology, product classification, safety technical performance, test methods, inspection rules and marking, packaging, transportation, storage and other requirements of aluminium pressure cookers.
This standard applies to pressure cookers made of aluminium and aluminium alloy plates. 2 Reference standards
GB191
Packaging storage and transportation pictorial signs
GB2828
GB2829
GB3562
GB4808
GB4846
Batch inspection counting sampling procedures and sampling tables (applicable to the inspection of continuous batches) Periodic inspection counting sampling procedures and sampling tables (applicable to the inspection of the stability of the production process) Analysis methods for the sanitation standards of aluminum tableware containers Sanitary standards for food pressure cooker seals
Rubber seals for daily pressure cookers| |tt||Analysis method of food pressure cooker sealing ring sanitation standard GB5009.65
GB5945
GB6388
GB6543
GB11333
3 Terms
3.1 Pressure limiting valve
Test method of oxidation treatment layer of aluminum or aluminum alloy of light industrial products Shipping packaging delivery and receipt mark
Corrugated paper box
Sanitary standard of aluminum tableware containers
Device that limits the exhaust of pressure cookers within the working pressure range to ensure normal operation. 3.2 Safety valve
Device that limits the exhaust of pressure cookers within the safety pressure range to ensure safe use. 3.3 Nominal working pressure
Design pressure of pressure limiting valve.
3.4 ??Working pressure
Gauge pressure value when the pressure limiting valve is exhausted.
3.5 Nominal safety pressure
Design pressure of safety valve.
3.6 Safety pressure
The gauge pressure value when the safety valve is exhausted.
3.7 Destruction pressure
The maximum gauge pressure value that the pressure cooker can withstand. Approved by the State Bureau of Technical Supervision on August 28, 1992 and implemented on January 1, 1993
-com4 Product classification
4.1 Variety specifications
GB13623-92
The structure is divided into screw-on type, drop-cover type and press-cover type. See Appendix A (reference). The specifications are divided into 50~150kPa, and the volume is not more than 18L. 4.2 Product marking
4.2.1 The product marking is represented by the product structure type, the inner diameter of the pot mouth, the pot body volume, the nominal working pressure (or the nominal working pressure range) and the standard number.
In the product marking, the inner diameter of the pot mouth is integer in centimeters and uses an even number series, the volume is integer in liters, and the nominal working pressure or nominal working pressure range is integer in kilopascals. 4.2.2 Marking example
A-type screw-on pressure cooker with an inner diameter of 26cm, a pot body volume of 10L, and a nominal working pressure of 100kPa: A26-10-100GB13623
C-type pressure cooker with a pot mouth inner diameter of 24cm, a pot body volume of 8L, and a nominal working pressure of 50100kPa: C24-08-50X100GB13623
5 Technical requirements
5.1 The part of the product that contacts the hand should be smooth and free of burrs. 5.2 The pressure limiting valve body is not allowed to fall off automatically when the pressure cooker is working. 5.3 Products with different nominal working pressures (excluding the same product) should have a structure in which the pressure limiting valve and safety pottery are not interchangeable, and the trademark (or special mark) and nominal working pressure should be indicated on the valve. 5.4 The relevant dimensions of products with a nominal working pressure of 100kPa shall comply with the following regulations: The exhaust aperture of the fusible plate safety valve is 4*9.1\mm, and the outer diameter of the fusible plate is $6.7-0.15mm. The installation aperture of the fusible plate safety valve is 8.2+9.58mm. The installation aperture of the pressure limiting valve is 8.2+g.58mm.
5.5 Working pressure
The working pressure is 0.9~1.1 times the nominal working pressure. 5.6 Safety pressure
The safety pressure is 1.4~2 times the maximum nominal working pressure. 5.7 Destruction pressure
The destruction pressure of the pressure cooker shall not be less than six times the maximum nominal working pressure. 5.8 Sealing
When the steam pressure in the pot is within the range of 20kPa to the working pressure, no dripping or air leakage is allowed. 5.9 Heat and pressure resistance
When the steam pressure in the pot is kept constant for 1 minute at the maximum safety pressure, the requirements of 5.8 can still be met. 5.10 Safety of closing and opening the lid
5.10.1If the pot body and the lid are not properly buckled, the pressure in the pot shall not exceed 5kPa. 5.10.2When the pressure in the pot is above 5kPa, there should be a device that cannot open the lid. 5.11 Anti-blocking safety
The pressure cooker should have an anti-blocking safety device to prevent the exhaust hole of the pressure limiting valve from being blocked. For the structural type, see Appendix A (reference). 5.12 Hygiene requirements
5.12.1The hygienic requirements for the parts in contact with food should comply with the provisions of GB11333. 5.12.2The hygienic requirements for the sealing ring should comply with the provisions of GB4808. 5.13 Requirements for main parts
5.13.1 The sealing ring shall comply with the provisions of GB4846. GB13623-92
5.13.2 After testing, phenolic plastic parts shall be free of cracks, bubbles, obvious volatile odor and deformation. 5.13.3 Steel parts shall be treated with anti-corrosion.
5.14 The corrosion resistance of oxide film shall comply with the provisions of Table 1. Table 1
Resistance
Surface treatment method
Grade
Oxalic acid oxidation
Light oxalic acid oxidation
Sulfuric acid oxidation
Mixed acid oxidation
5 Surface quality
5.15
>90
≥30
Product
Corrosion
Grade III
>50
≥15
Product
Surface quality inspection items and grade requirements shall comply with the provisions of Table 2, among which the cumulative number of defects of 8, 9 and 10 is for Grade I product: no more than 9 for the pot body and no more than 7 for the pot cover; for Grade II product: no more than 13 for the pot body and no more than 12 for the pot cover. Table 2
Serial number
2
6
2
Inspection items
Oxidation color
Polishing
Sanding
Whitening
Electrochemical corrosion spots and electric shock injuries
Air barrier surface
Bubbles
Grade
Uniform color
R.0.4μm
Fine and uniform
Surface quality index
=
grade
product
The color is basically the same
R.0.8μm
The bottom must not be exposed
Bright, no traces of alkali and oil must not be allowed
No bubbles larger than 2mm must not be allowed
No traces of alkali and oil must not be allowed
Electrochemical corrosion spots or electric shock injuries of 1-2mm must not exceed one point
There must be no on the pot body. The air barrier surface area of ??the pot cover shall not exceed 300mm
2~3mm bubbles, the pot body and pot bowl shall not exceed two serial numbers each
8
9
10
11
12
13
Inspection items
Peeling
Pit
Scratches
Cancer, shrinkage
Riveting
Marking
Test method
6
6.1 Test equipment
a.
b.
c.
d.
e.
f.
g.
h.
GB13623—92
Continued Table 2
Surface quality index
Grade
(1) There shall be no peeling on the outer surface of the pot cover,
(2) There shall be no more than two peeling strips on the outer side of the pot body with a length of 6~60mm and a width of 1~3mm;
(3) There shall be no more than four peeling strips on the inner surface of the pot body and pot cover with a length of 6~80mm and a width of 1~3mm. There shall be no more than two pieces of 3~5mm peeling strips on each side. When strip and block peeling exist at the same time, there shall be no more than five pits of 1-3mm on the pot body and the pot cover, and no more than three points on the pot body and the pot cover, and they shall not be concentrated within the range of ±50mm.
Length 20~60mm, width 0.3~0.5mm scratches, no more than two scratches on the outer surface of the pot lid, no more than three scratches on the outer surface of the pot body
三
Grade product
(1) The outer surface of the pot body and pot lid is 6 ~80mm, each with a width of 1~4mm shall have no more than three strips of peeling,
(2) The inner surface of the pot body and lid shall be 6~80mm long, and a width of 1~4mm shall have no more than five strips of peeling each. There should be no more than three pieces of 5~8mm lumpy peeling. When strips and lumps of peeling exist at the same time, the pot body and lid should each have no more than seven pits of 1 to 3mm each, and the pot body and lid should have no more than five pits each, and should not be concentrated within the #50mm range
Scratches 20~80mm long and 0.5~0.8mm wide, no more than three scratches on the outer surface of the pot lid, no more than four scratches on the outer surface of the pot body
No
straight and close-fitting
straight , clear
0.4-level pressure gauge with corresponding range;
1.5-level pressure gauge with corresponding range;
Special connector for pressure gauge with exhaust valve, a set of 2.0kW electric stove ,
One manual pressure test pump, one special joint; one KL-20 tubular dynamometer, one
one protective cover,
one special upper handle with a length of 125mm .
6.2 Test items
6.2.1 Working pressure
Test steps:
a.
b.
c.||tt ||d.
e.
f.
Correct and recognizable mark
Use a special joint for the pressure gauge to install a 0.4-level pressure gauge with the corresponding range in the pot Cover the safety valve hole, close the exhaust valve, and add 50% tap water to the pot;
Close the lid and place the pot on the electric stove to heat; when the pot continues to exhaust, lower the pressure limit Continue to heat the valve body and observe the pressure gauge value; start from the exhaust of the pressure limiting valve, continue for 30 seconds, and take the maximum gauge pressure value; during the test, the requirements of Article 5.2 shall be met; g. Stop heating and release the gas from the pot.
6.2.2 Safety pressure
Test steps:
GB13623—92
a. Use a special joint for the pressure gauge to install a 1.5-level pressure gauge with the corresponding range on the pot lid. Open the exhaust valve at the pressure-limiting valve seat hole; install the safety valve at the safety valve hole in the pot cover: b.
c. Follow b and c in 6.2.1,
d. When the exhaust valve exhausts continuously for 20 seconds, close the exhaust valve, continue heating and observe the pressure gauge value until the heating stops. The fusible piece safety valve stops heating when the safety valve exhausts. Other types of safety valves stop heating 120 seconds after the first exhaust. e. If the pressure gauge value exceeds the upper safety pressure limit, open the exhaust valve. 6.2.3 Breaking pressure (except gland type)
Test steps:
a.
Use a special joint for the pressure gauge to install a 1.5-level pressure gauge with the corresponding range on the pot lid to limit the pressure. On the valve seat hole, open the exhaust valve, and use a special joint to connect the pressure test pump water supply pipe and the pot cover safety valve hole, b.
The pot is filled with water:
c.||tt| |d.
After closing the pot lid, use a pressure test pump to pressurize. When water overflows from the exhaust valve, close the valve and continue to pressurize (water flow rate 1~1.6L/min);||tt| |e.
When the water overflows from the mouth of the pot, read the value of the pressure gauge. 6.2.4 Sealing
Test steps:
a, proceed according to 6.2.1 a, bc, d,
b. When the pressure gauge value reaches 20kPa, start to observe whether the pressure cooker has There is no dripping or air leakage until the pressure limiting valve is exhausted. 6.2.5 Resistant to hot pressure
Test steps:
a.
Use a special joint for the pressure gauge to install a pressure gauge with a corresponding range of 1.5 on the seat hole of the pressure limiting valve in the pot lid. Open the exhaust valve. Use bolts to block the installation hole of the safety valve in the pot lid;
b. Follow b and c in 6.2.1,
c. Close the exhaust valve after the exhaust valve continuously exhausts air for 20 seconds. Continue heating and observe the pressure gauge value; d. When the pressure gauge value reaches the maximum safe pressure, maintain the pressure for 1 minute, then open the exhaust valve to relieve pressure. 6.2.6 Safety of lid closing (except drop-lid type and pressure-lid type) test steps:
a. Carry out according to a and b in 6.2.1:
b. Close the lid and let the pot The body and pot lid are not in place; place the pot on the electric stove to heat:
c.
d.
When the exhaust pipe of the pressure limiting valve is continuously exhausted , lower the pressure limit valve body e. Continuously observe the pressure gauge value for 120 seconds.
6.2.7 Safety of opening cover (except drop cover type and gland type) test steps:
a. Carry out according to 6.2.1 a and b;
Special for installation Upper handle;
b.
c.
Close the pot lid so that the pot body and lid are in the locked state, and proceed according to 6.2.6 c and d;| |tt||d.
e.
f.
When the pressure in the pot reaches above 5kPa, remove the pot from the heating appliance and place it in a special protective cover; fix the lower handle , when the pressure in the pot drops to 5kPa, use a dynamometer to add a 100N pulling force to the end of the special upper handle perpendicular to the center line of the upper handle in the horizontal direction.
6.2.8 Anti-blocking safety
Test steps:
Test medium: millet and glutinous rice;
a.
GB13623—92||tt ||b.
Add 3/16 of the pot's volume of millet and 1/16 of the pot's volume of glutinous rice, then add water to four-fifths of the pot's depth: c.
Use a pressure gauge only Then install the pressure gauge with the corresponding range of 0.4 in the safety valve hole of the pot cover, close the exhaust valve; close the pot lid, and place the pot on the electric stove to heat: d.
e.||tt ||When the pot is continuously exhausted, put down the pressure-limiting valve body and continue heating. Start timing from the time when the pressure-limiting valve is exhausted. Lift the pressure-limiting valve once every 5 minutes and the time is 5s;
f.||tt ||Observe the value of the pressure gauge. The pressure shall not exceed 1.25 times the nominal working pressure within 10 minutes. 6.2.9 Heat resistance of phenolic plastic parts
Test steps:
Wash the sample with neutral detergent,
a.
Put the sample into Put the pot with water in the pot and heat it on the electric stove. When the water boils, time the time and stop heating after 30 minutes; b.
c. Take out the sample and put it into cold water immediately. After cooling, take out the sample for inspection. 6.2.10 Oxide film corrosion resistance
Test according to GB5945 2.2.
6.2.11 Hygiene requirements
a. The product is tested according to GB3562;
b. The sealing ring is tested according to GB5009.65.
6.2.12 Component dimensions
Use a measuring tool with an accuracy of 0.02mm to detect.
6.2.13 Surface quality
Use visual inspection and measuring tools with an accuracy of 0.05mm and polished surface roughness comparison samples to detect. 7 Inspection Rules
7.1 Factory Inspection
Factory inspection is carried out in accordance with GB2828, using a normal inspection sampling plan, calculated based on the number of unqualified products per 100 units of product, inspection items, unqualified classification, inspection level and qualification The quality level complies with the requirements in Table 3. 7.2 Type inspection
7.2.1 Type testing is carried out when one of the following situations occurs: trial molding and identification of new products or old products transferred to factory production; a.
b.
c.
d.
e.
f.
After formal production, if there are major changes in structure, materials, and processes, which may affect product performance; during normal production, inspections should be carried out every six months, and when production is resumed half a year after the product is discontinued; factory inspection results When there is a big difference from the last type inspection; when the national quality supervision agency proposes a request for type inspection. Serial number
1
2
3
4
5
6
7
8| |tt||9
10
11
12
13
14
15
16||tt ||17
18
19
20
21
22
23
24
Inspection items
Structural requirements
Oxidation color
Polishing
Sanding
Whitewashing
Bubbles
Pelting| |tt||Pits
Scratches
Riveting
Logo
Gas barrier surface
Electrochemical corrosion spots and electric shock injuries
Cancer, Shrinkage
Heat resistance of phenolic plastic parts
Oxide film corrosion resistance
Working pressure
Safety pressure
Destruction pressure
Sealing Properties
Heat pressure resistance
Safety when closing lid
Safety when opening lid
Safety against blocking
GB13623—92
Table 3
Unqualified classification
C
B
A
Corresponding terms
5.1.5.3,5.4
5.15
5.15
5.13.2
5.14
5.2,5.5
5.6
5.7
5.8||tt| |5.9
5.10.1
5.10.2
5.11
Check level
S-2
S-2||tt ||S-1
Accepted Quality Level (AQL)
10
6.5
4.0
7.2.2 Type inspection is carried out according to GB2829, using discrimination The secondary sampling plan for horizontal ears is calculated based on the number of defective products per 100 units of product. For the inspection items listed in Table 3, the sample size is n1=n2=6, and the unqualified quality level RQL is 80 for Category C, 65 for Category B, and 50 for Category A. The remaining inspection items, unqualified classification, judgment level, sample size and unqualified quality level comply with the requirements in Table 4. Serial number
1
2
Inspection items
Hygienic requirements
Sealing diagram
8 mark, packaging, transportation, storage||tt ||8.1 Mark
Unqualified classification
A
B
8.1.1 The product should have the following mark:
a.||tt| |b.
c
d.
e.
Trademark;
Company name;
Quality level:||tt| |Product mark;
Year and month of manufacture.
The packaging box should be marked as follows:
8.1.21
a.
b.
c.
Trademark;| |tt||Company name,
Product name:
d． Product Marking.
8.1.3 The packaging box should be marked as follows:
GB13623—92
Table 4
Corresponding terms
5.12
5.13 .1
Discrimination level
1
Sample size
n=ng=5
=2=6
Unqualified quality level
(RQL)
50
65
Trademark, product name, company name, license number, factory address, postal code, product mark, implementation standard number and name, Afraid of getting wet, upward, handle with caution and other signs. The signs of "Afraid of Wet, Upward, Handle with Care" should comply with GB191 regulations. The remaining signs comply with GB6388 regulations. 8.2 Packaging
8.2.1 Each product must be packed in a separate packaging box, and the pot body and lid must be packed in neutral packaging. 8.2.2 The packaging box should be fastened with packing tape.
8.2.3 Corrugated cardboard packaging boxes and boxes should comply with GB6543 regulations. 8.2.4 There should be instructions for use, certificate of quality, and packing list inside the packaging box. 8.2.5 The product execution standard number and name, license number, factory address and postal code should be indicated in the instruction manual. 8.3 Transportation
Handle with care when handling. It is strictly forbidden to transport it with corrosive items at the same time. Be careful not to get wet during transportation. 8.4 Storage
8.4.1 Storage conditions
The warehouse should be well ventilated and the relative humidity should not be greater than 85%. a.
b. The product should be stored 200mm away from the wall and 200mm from the ground. Keep it above 100mm, c. It is strictly prohibited to store it together with corrosive items. 8.4.2 Storage period
The storage period of whitewashing and polishing products is one year from the date of shipment. The storage period of other products is two years. Structural type of pressure cooker
A1
GB13623-92
Appendix A
Structural type of pressure cooker and anti-blocking safety device (reference parts)
Press the pressure cooker The structure is divided into screw-on pressure cookers, drop-lid pressure cookers, and pressure lid pressure cookers. A1.1 Screw-on pressure cooker
The screw-on pressure cooker is represented by the English letter A in the product mark. Its structural type and the names of each part are shown in Figure A1 (schematic diagram). A1.2 Drop-lid pressure cooker
The drop-lid pressure cooker is represented by the English letter B in the product mark. Its structural type and the names of each part are shown in Figure A2 (schematic diagram). A1.3 Pressure cooker with a gland | Pressure limiting valve
Safety valve
Pot lid
Pot body
Figure A1
A2 anti-blocking safety device structural type
A2 .1 The structure of the anti-blocking cover is shown in Figure A4 (schematic diagram). A2.2. The structure of the anti-clogging disc is shown in Figure A5 (schematic diagram). Purple solid nut
Anti-clogging cover base
Anti-clogging cover body
Picture A2
Picture A4
Pressure adjustment device
Pot lid
Pot
Exhaust pipe
Figure A3
Pressure cooker cover
Convex slit porous air channel
Pressure regulating device||tt ||Pot lid
Pot body
2 Type inspection is carried out in accordance with GB2829, using a secondary sampling plan to identify horizontal ears, and is calculated based on the number of unqualified products per 100 units of product. For the inspection items listed in Table 3, the sample size is n1=n2=6, and the unqualified quality level RQL is 80 for Category C, 65 for Category B, and 50 for Category A. The remaining inspection items, unqualified classification, judgment level, sample size and unqualified quality level comply with the requirements in Table 4. Serial number
1
2
Inspection items
Hygienic requirements
Sealing diagram
8 mark, packaging, transportation, storage||tt ||8.1 Mark
Unqualified classification
A
B
8.1.1 The product should have the following mark:
a.||tt| |b.
c
d.
e.
Trademark;
Company name;
Quality level:||tt| |Product mark;
Year and month of manufacture.
The packaging box should be marked as follows:
8.1.21
a.
b.
c.
Trademark;| |tt||Company name, bzxz.net
Product name:
d． Product Marking.
8.1.3 The packaging box should be marked as follows:
GB13623—92
Table 4
Corresponding terms
5.12
5.13 .1
Discrimination level
1
Sample size
n=ng=5
=2=6
Unqualified quality level
(RQL)
50
65
Trademark, product name, company name, license number, factory address, postal code, product mark, implementation standard number and name, Afraid of getting wet, upward, handle with caution and other signs. The signs of "Afraid of Wet, Upward, Handle with Care" should comply with GB191 regulations. The remaining signs comply with GB6388 regulations. 8.2 Packaging
8.2.1 Each product must be packed in a separate packaging box, and the pot body and lid must be packed in neutral packaging. 8.2.2 The packaging box should be fastened with packing tape.
8.2.3 Corrugated cardboard packaging boxes and boxes should comply with GB6543 regulations. 8.2.4 There should be instructions for use, certificate of quality, and packing list inside the packaging box. 8.2.5 The product execution standard number and name, license number, factory address and postal code should be indicated in the instruction manual. 8.3 Transportation
Handle with care when handling. It is strictly forbidden to transport it with corrosive items at the same time. Be careful not to get wet during transportation. 8.4 Storage
8.4.1 Storage conditions
The warehouse should be well ventilated and the relative humidity should not be greater than 85%. a.
b. The product should be stored 200mm away from the wall and 200mm from the ground. Keep it above 100mm, c. It is strictly prohibited to store it together with corrosive items. 8.4.2 Storage period
The storage period of whitewashing and polishing products is one year from the date of shipment. The storage period of other products is two years. Structural type of pressure cooker
A1
GB13623-92
Appendix A
Structural type of pressure cooker and anti-blocking safety device (reference parts)
Press the pressure cooker The structure is divided into screw-on pressure cookers, drop-lid pressure cookers, and pressure lid pressure cookers. A1.1 Screw-on pressure cooker
The screw-on pressure cooker is represented by the English letter A in the product mark. Its structural type and the names of each part are shown in Figure A1 (schematic diagram). A1.2 Drop-lid pressure cooker
The drop-lid pressure cooker is represented by the English letter B in the product mark. Its structural type and the names of each part are shown in Figure A2 (schematic diagram). A1.3 Pressure cooker with a gland | Pressure limiting valve
Safety valve
Pot lid
Pot body
Figure A1
A2 anti-blocking safety device structural type
A2 .1 The structure of the anti-blocking cover is shown in Figure A4 (schematic diagram). A2.2. The structure of the anti-blocking disc is shown in Figure A5 (schematic diagram). Purple solid nut
Anti-clogging cover base
Anti-clogging cover body
Picture A2
Picture A4
Pressure adjustment device
Pot lid
Pot
Exhaust pipe
Figure A3
Pressure cooker cover
Convex slit porous air channel
Pressure regulating device||tt ||Pot lid
Pot body
2 Type inspection is carried out in accordance with GB2829, using a secondary sampling plan to identify horizontal ears, and is calculated based on the number of unqualified products per 100 units of product. For the inspection items listed in Table 3, the sample size is n1=n2=6, and the unqualified quality level RQL is 80 for Category C, 65 for Category B, and 50 for Category A. The remaining inspection items, unqualified classification, judgment level, sample size and unqualified quality level comply with the requirements in Table 4. Serial number
1
2
Inspection items
Hygienic requirements
Sealing diagram
8 mark, packaging, transportation, storage||tt ||8.1 Mark
Unqualified classification
A
B
8.1.1 The product should have the following mark:
a.||tt| |b.
c
d.
e.
Trademark;
Company name;
Quality level:||tt| |Product mark;
Year and month of manufacture.
The packaging box should be marked as follows:
8.1.21
a.
b.
c.
Trademark;| |tt||Company name,
Product name:
d． Product Marking.
8.1.3 The packaging box should be marked as follows:
GB13623—92
Table 4
Corresponding terms
5.12
5.13 .1
Discrimination level
1
Sample size
n=ng=5
=2=6
Unqualified quality level
(RQL)
50
65
Trademark, product name, company name, license number, factory address, postal code, product mark, implementation standard number and name, Afraid of getting wet, upward, handle with caution and other signs. The signs of "Afraid of Wet, Upward, Handle with Care" should comply with GB191 regulations. The remaining signs comply with GB6388 regulations. 8.2 Packaging
8.2.1 Each product must be packed in a separate packaging box, and the pot body and lid must be packed in neutral packaging. 8.2.2 The packaging box should be fastened with packing tape.
8.2.3 Corrugated cardboard packaging boxes and boxes should comply with GB6543 regulations. 8.2.4 There should be instructions for use, certificate of conformity, and packing list inside the packaging box. 8.2.5 The product execution standard number and name, license number, factory address and postal code should be indicated in the instruction manual. 8.3 Transportation
Handle with care when handling. It is strictly forbidden to transport it with corrosive items at the same time. Be careful not to get wet during transportation. 8.4 Storage
8.4.1 Storage conditions
The warehouse should be well ventilated and the relative humidity should not be greater than 85%. a.
b. The product should be stored 200mm away from the wall and 200mm from the ground. Keep it above 100mm, c. It is strictly prohibited to store it together with corrosive items. 8.4.2 Storage period
The storage period of whitewashing and polishing products is one year from the date of shipment. The storage period of other products is two years. Structural type of pressure cooker
A1
GB13623-92
Appendix A
Structural type of pressure cooker and anti-blocking safety device (reference parts)
Press the pressure cooker The structure is divided into screw-on pressure cookers, drop-lid pressure cookers, and pressure lid pressure cookers. A1.1 Screw-on pressure cooker
The screw-on pressure cooker is represented by the English letter A in the product mark. Its structural type and the names of each part are shown in Figure A1 (schematic diagram). A1.2 Drop-lid pressure cooker
The drop-lid pressure cooker is represented by the English letter B in the product mark. Its structural type and the names of each part are shown in Figure A2 (schematic diagram). A1.3 Pressure cooker with a gland | Pressure limiting valve
Safety valve
Pot lid
Pot body
Figure A1
A2 anti-blocking safety device structural type
A2 .1 The structure of the anti-blocking cover is shown in Figure A4 (schematic diagram). A2.2. The structure of the anti-blocking disc is shown in Figure A5 (schematic diagram). Purple solid nut
Anti-clogging cover base
Anti-clogging cover body
Picture A2
Picture A4
Pressure adjustment device
Pot lid
Pot
Exhaust pipe
Figure A3
Pressure cooker cover
Convex slit porous air channel
Pressure regulating device||tt ||Pot lid
Pot body
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