JB/T 5086.1-1999 Technical requirements for water seals in internal combustion engines
Some standard content:
ICS27.020
Machinery Industry Standard of the People's Republic of China
JB/T5086.15086.2-1999
Internal Combustion Engine
Cooling Water Pump Seals for Internal Combustion Engines1999-09-17 Issued
National Bureau of Machinery Industry
2000-01-01 Implementation
JB/T5086.1—1999
This standard is a revision of JB5086-91 "Technical Conditions for Ceramic Graphite Series Water Seals for Internal Combustion Engines". Compared with JB5086-91, the main technical content of this standard has been changed as follows: the working conditions and corresponding requirements of enhanced water seals have been added; the dynamic sealing performance requirements and product warranty period have been improved. This standard is a part of the series of standards JB/T5086-1999 "Water Seal for Internal Combustion Engines", which includes the following two parts:
JB/T5086.1——1999
Technical conditions for water seal for internal combustion engines
JB/T5086.2—1999 Test methods for water seal for internal combustion engines This standard replaces JB5086-1991 from the date of implementation. Appendix A of this standard is the standard appendix.
Appendix B of this standard is the reminder appendix.
This standard is proposed and managed by the National Technical Committee for Standardization of Internal Combustion Engines. The responsible drafting units of this standard are: Shanghai Internal Combustion Engine Research Institute, Lianyi Internal Combustion Engine Filter Factory, Hengfeng Mechanical Seals Co., Ltd. The participating drafting units of this standard are: Beijing Automobile Water Pump Factory, Buyang City Seals Factory. The main drafters of this standard are: Jin Ruikang, Fang Xianyao, Xia Xiaoan. This standard was first issued in 1991.
1 Scope
Machinery Industry Standard of the People's Republic of China
Specifications for cooling water pump se also seals
Technical Conditions
Specifications for cooling water pump se also seals This standard specifies the classification, naming, definition, symbols, requirements and inspection rules of water jets. This standard applies to the porcelain graphite series water seals (hereinafter referred to as water seals) of cooling water pumps of internal combustion engines. 2 Referenced Standards
JB/T5086.1—1999
Replaces JB5086—91
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T699-—1988
GB/T 2060—1989
GB/T2828—1987
GB/T 32801992
GB/T4357—1989
JB/T5086.2—1999
JB/T 7757.1—1995
3 Classification and naming
3.1 Classification
Technical conditions for high-quality carbon structural steel
Brass strip
Batch inspection counting sampling procedure and sampling table (applicable to continuous batch inspection)Stainless steel cold-rolled steel plate
Carbon spring steel wire
Internal combustion engine water seal test method
Cylindrical helical spring for mechanical seal
Water seals are classified according to the degree of reinforcement and structural type, and include three structures and five varieties such as A, B, C, QB and QC. 3.2 Type and name
The type and group and part names of water seals shall comply with the provisions of Table 1. 3.3 Naming
Water seals are named in the order of degree of reinforcement, structural type, basic diameter, installation size number, rotating ring type (O-shaped rotating ring is not marked) and standard code.
3.4 Marking examples
a) Type A, basic diameter is 15mm, installation dimension number is 02, rotating ring is T-shaped, its marking is: A1502TJB/T 5086.11999
b) Enhanced type B, basic diameter is 17mm, installation dimension number is 01, rotating ring is O-shaped, its marking is: QB1701JB/T 5086.1—1999
Approved by the State Machinery Industry Bureau on September 17, 19992
Implementation on January 1, 2000
3.5 Dimension series
JB/T5086.1-1999
Table 1 Type and group, part name
Structure and component name
Stationary ring assembly
The water seal dimension series shall conform to the requirements of Figure 1 and Table 2. a) Type A
Rotating ring assembly
Figure 1 Basic dimensions of water seal
Part names
1 Auxiliary sealing ring
2 O-shaped rotating ring
2 T-shaped flag rotating ring
3 Stationary ring
4 Ammunition depot
5 Spring
6 Bellows seat
7 Bellows
8 Bellows flange
(This part may not be used)
9 Transmission flange
A12-01T
A12-02T
AI5-01T
A15-02T ||tt ||A17-01T
A17-02TbzxZ.net
A17-01
A20-01
B and QB12-01T
B and QB12-02T
B and OB15-01T
B and QB15-02T
B and QB17-01T
B and QB17-02T
B and QB17-03T
B and QB17-01
B and QB20-01
B and QB25-01
Basic size
JB/T 5086.1—1999
b) Type B, Type QB
c) Type C, Type QC
Figure (end)
Table 2 Dimension series
Limited range
C and QC12-01
C and QC15-01
C and QC17-01
C and QC17-02
C and QC20-01
C and OC2501
Basic dimensions
1 Installation dimension numbered "01" is the recommended type JB/T5086.11999
Table 2 (End)
Limited range
24' "Limited range" is used to control the axial dimension deviation of relevant parts on the water pump, so that its influence on the measured value of the basic length of the water seal is limited to the range of this table.
Definition and symbols
This standard adopts the following definitions.
4.1 Working length A
The distance from the plane where the stationary ring assembly fits the pump housing to its sealing end face (symbols see Figure 1, the same below) 4.2 Basic working length A
The basic value of its working length after the water seal is sealed. 4.3 Moving side thickness B and B
The total axial thickness of the O-shaped and T-shaped rotating ring assembly. Static side length C
The distance from the plane where the stationary ring assembly fits the pump housing to its bottom surface. 4.5 Moving side installation diameter D, and D:
On the O-shaped and T-shaped rotating ring assembly, the outer diameter of the radial sealing surface formed with the water pump impeller hole. Static side installation diameter D
On the stationary ring assembly, the outer diameter of the radial sealing surface that forms the seat hole of the pump housing. 4.7 Basic diameter d
The diameter of the pump shaft at the water seal installation.
5 Requirements
5.1 The water seal shall comply with the requirements of this standard and be manufactured in accordance with the product drawings and technical documents approved by the prescribed procedures. 5.2 Environmental conditions
The working environment of the water seal shall comply with the provisions of Table 3. Type
Basic diameter
Sealed medium
Medium temperature
Medium bed force
Model Shaft speed
5.3 Material requirements
JB/T5086.1-1999
Table 3 Working environment
Type B and C
Clean water, sea water
5.3.1 The materials of water seal parts shall comply with the requirements of Table 4. 15
Table 4 Main parts materials
Part name
Auxiliary seal
Bellows
Bellows seat
Indigo swivel
Stationary ring
Spring seat
Bellows seat
Transmission seat
N-butyl rubber
EPDM rubber
Chloroform
Aluminum oxide
Silicon carbide
Plastic Material graphite
Impregnated graphite
High strength diffused graphite
H62Y, H62Y, H68Y, H68Y
1Cr18Ni9
1Cr18Ni9Ti
1Cr18Ni9
1Cr18Ni9T
C group carbon cable spring steel wire
Note: If 08, 10 and carbon cable spring steel wire are used, the surface of the parts shall be chrome-plated. 25
QB type and QC type
Internal combustion engine antifreeze
≤t15
Performance requirements
According to Appendix A (standard requirements)
According to GB/T2060
According to GB/T3280
According to GB/T699
According to JB/T7757.1
According to GB/T4357
5.3.2 In addition to the above materials, other materials can be used with the consent of both parties if they can meet the performance requirements specified in this standard after testing and identification.
5.4 Manufacturing and appearance
5.4.1 The main installation dimensions of the water seal B (BO), D, (D,0), D, and the inner diameter of the C-type water seal transmission seat and the pump shaft should comply with the product drawing requirements.
JB/T5086.1—1999
The flatness and surface roughness of the sealing end faces of the rotating ring and the stationary ring shall comply with the provisions of Table 5. 5.4.2
Table 5 Basic requirements for sealing end faces
Flatness
Surface roughness R value
Rotary ring
5.4.3 When the water seal is at the basic T. operating length, the assembly elastic force deviation is less than 20% of the basic value. 5.4.4 Appearance and sensory requirements
Stationary ring
The surface of rubber parts and stamping parts should be smooth and flat. Rubber parts should be free of defects such as inclusions, bubbles, damage, etc.: stamping parts should be free of defects such as wrinkles and cracks; rotating rings and stationary rings should not have cracks: the stationary ring should move freely along the axial direction without any sense of obstruction. 5.5 Performance in use
5.5.1 Airtightness
When the water seal is tested for airtightness, its average leakage is not more than 10ml/min. 5.5.2 Dynamic sealing performance
When the water seal is tested for dynamic sealing, its average leakage is not more than 2g/h. 5.5.3 Durability
When the water seal is tested for durability, its average leakage is not more than 0.15g/h, and the average wear of the stationary ring is not more than 0.35μm/h. 5.5.4 Warranty period
If the user selects a reasonable model and complies with the warranty, installation and use rules specified by the manufacturer, the warranty period of the water seal shall be greater than 3000h (Type A is allowed to be reduced to 2000h) within 12 months from the date of shipment from the manufacturer. 5.6 Installation requirements
Please refer to Appendix B (Reminder Appendix).
6 Test method
The water seal test shall be carried out in accordance with the provisions of JB/T5086.2. 7 Inspection rules
7.1 The water seal shall be inspected and qualified by the quality inspection department of the manufacturer before it can leave the factory. 7.2 Factory inspection
The water seal shall be inspected in accordance with the requirements of 5.4.1, 5.4.2, 5.4.3, 5.4.4 and 5.5.1 before leaving the factory. Note: The inspection of the flatness and surface roughness of the sealing end face shall be carried out before the airtightness test. 7.3 Type inspection
The manufacturer shall carry out type inspection of the product at least once every two years in accordance with the technical requirements specified in this standard. 7.4 When the user needs to inspect the materials of the water seal parts, the manufacturer shall provide the physical and mechanical properties data of various materials. 7.5 The water seal shall be delivered and inspected in batches, and the items of the delivery inspection shall be the same as the factory inspection. When the ordering unit conducts random inspection of product quality, it shall be carried out in accordance with the provisions of GB/T2828. The inspection level IL and the qualified quality level AQL value shall be agreed upon by the supply and demand parties. 8 Marking, packaging, storage
8.1 Each set of water seals shall be marked with:
a) manufacturer's name or factory logo;
b) product model.
JB/T 5086.11999
The marking shall be clear, and the marked position, size and method shall comply with the product drawings or technical documents. 8.2 When the water seal leaves the factory, it shall be accompanied by a certificate signed by the manufacturer's quality inspection department and inspection personnel. The certificate shall indicate: a) manufacturer's name:
b) product name and model;
c) inspection date.
8.3 The water seals shall be placed firmly in the packaging box in a certain number. The water seals in each packaging box shall be of the same model. The outside of the box should be marked with: a) manufacturer's name, factory logo and address;
b) product name, model and quantity;
c) "moisture-proof", "handle with care" and other signs. 8.4 The boxed water seal should be securely placed in a cardboard box or wooden box to ensure that the parts will not be lost or damaged during transportation. 8.5 The product instruction manual and packing list should be attached to the packaging box, and the outside of the packaging box should be marked with: a) product name, model and quantity:
b) manufacturer's name and address;
e) gross weight, kg;
d) consignee and address:
e) factory date;
f) "handle with care", "moisture-proof", "pressure-averse" and other signs. 8.6 The water seal should be placed in a ventilated and dry warehouse, away from fire sources, and avoid contact with acid and storage. Under normal storage conditions, the manufacturer guarantees that the water seal will not rust or fail within 12 months from the date of leaving the factory.6 Installation requirements
According to Appendix B (Informative Appendix).
6 Test methods
The water seal test shall be carried out in accordance with the provisions of JB/T5086.2. 7 Inspection rules
7.1 The water seal shall be inspected and qualified by the quality inspection department of the manufacturer before it can leave the factory. 7.2 Factory inspection
The water seal shall be inspected in accordance with the requirements of 5.4.1, 5.4.2, 5.4.3, 5.4.4 and 5.5.1 before leaving the factory. Note: The inspection of the flatness and surface roughness of the sealing end face shall be carried out before the airtightness test. 7.3 Type inspection
The manufacturer shall carry out type inspection of the product at least once every two years in accordance with the technical requirements specified in this standard. 7.4 When the user needs to inspect the materials of the water seal parts, the manufacturer shall provide the physical and mechanical properties data of various materials. 7.5 The water seal shall be delivered and inspected in batches, and the items of the delivery inspection shall be the same as the factory inspection. When the ordering unit conducts random inspection of product quality, it shall be conducted in accordance with the provisions of GB/T2828. The inspection level IL and the qualified quality level AQL value shall be agreed upon by the supply and demand parties. 8 Marking, packaging, storage
8.1 Each set of water seals shall be marked with:
a) manufacturer's name or factory logo;
b) product model.
JB/T 5086.11999
The marking shall be clear, and the marked position, size and method shall comply with the product drawings or technical documents. 8.2 When the water seal leaves the factory, it shall be accompanied by a certificate signed and sealed by the manufacturer's quality inspection department and inspection personnel. The certificate shall indicate: a) manufacturer's name:
b) product name and model;
c) inspection date.
8.3 The water seals shall be firmly placed in the packaging box in a certain number. The water seals in each packaging box shall be of the same model. The outside of the box should be marked with: a) manufacturer's name, factory logo and address;
b) product name, model and quantity;
c) "moisture-proof", "handle with care" and other signs. 8.4 The boxed water seal should be securely placed in a cardboard box or wooden box to ensure that the parts will not be lost or damaged during transportation. 8.5 The product instruction manual and packing list should be attached to the packaging box, and the outside of the packaging box should be marked with: a) product name, model and quantity:
b) manufacturer's name and address;
e) gross weight, kg;
d) consignee and address:
e) factory date;
f) "handle with care", "moisture-proof", "pressure-averse" and other signs. 8.6 The water seal should be placed in a ventilated and dry warehouse, away from fire sources, and avoid contact with acid and storage. Under normal storage conditions, the manufacturer guarantees that the water seal will not rust or fail within 12 months from the date of leaving the factory.6 Installation requirements
According to Appendix B (Informative Appendix).
6 Test methods
The water seal test shall be carried out in accordance with the provisions of JB/T5086.2. 7 Inspection rules
7.1 The water seal shall be inspected and qualified by the quality inspection department of the manufacturer before it can leave the factory. 7.2 Factory inspection
The water seal shall be inspected in accordance with the requirements of 5.4.1, 5.4.2, 5.4.3, 5.4.4 and 5.5.1 before leaving the factory. Note: The inspection of the flatness and surface roughness of the sealing end face shall be carried out before the airtightness test. 7.3 Type inspection
The manufacturer shall carry out type inspection of the product at least once every two years in accordance with the technical requirements specified in this standard. 7.4 When the user needs to inspect the materials of the water seal parts, the manufacturer shall provide the physical and mechanical properties data of various materials. 7.5 The water seal shall be delivered and inspected in batches, and the items of the delivery inspection shall be the same as the factory inspection. When the ordering unit conducts random inspection of product quality, it shall be conducted in accordance with the provisions of GB/T2828. The inspection level IL and the qualified quality level AQL value shall be agreed upon by the supply and demand parties. 8 Marking, packaging, storage
8.1 Each set of water seals shall be marked with:
a) manufacturer's name or factory logo;
b) product model.
JB/T 5086.11999
The marking shall be clear, and the marked position, size and method shall comply with the product drawings or technical documents. 8.2 When the water seal leaves the factory, it shall be accompanied by a certificate signed and sealed by the manufacturer's quality inspection department and inspection personnel. The certificate shall indicate: a) manufacturer's name:
b) product name and model;
c) inspection date.
8.3 The water seals shall be firmly placed in the packaging box in a certain number. The water seals in each packaging box shall be of the same model. The outside of the box should be marked with: a) manufacturer's name, factory logo and address;
b) product name, model and quantity;
c) "moisture-proof", "handle with care" and other signs. 8.4 The boxed water seal should be securely placed in a cardboard box or wooden box to ensure that the parts will not be lost or damaged during transportation. 8.5 The product instruction manual and packing list should be attached to the packaging box, and the outside of the packaging box should be marked with: a) product name, model and quantity:
b) manufacturer's name and address;
e) gross weight, kg;
d) consignee and address:
e) factory date;
f) "handle with care", "moisture-proof", "pressure-averse" and other signs. 8.6 The water seal should be placed in a ventilated and dry warehouse, away from fire sources, and avoid contact with acid and storage. Under normal storage conditions, the manufacturer guarantees that the water seal will not rust or fail within 12 months from the date of leaving the factory.
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