This standard specifies the type, basic parameters, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of oil transfer gear pumps. JB/T 6434-1992 Oil transfer gear pumps JB/T6434-1992 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T6434-92
Oil Gear Pump
Published on July 20, 1992
Implementation by the Ministry of Machinery and Electronics Industry of the People's Republic of China on January 1, 1993
Subject Content and Scope of Application
Cited Standards
Type and Basic Parameters
Technical Requirements
Test Methods
Inspection Rules…
Marking, Packaging, Transportation, Storage
Complete set scope and warranty period
Appendix A
Appendix B
Cleanliness index and inspection method (supplement) Performance curve (reference).…
Mechanical Industry Standard of the People's Republic of China
Oil delivery gear pump
1 Subject content and scope of application
JB/T6434-92
This standard specifies the type, basic parameters, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of oil delivery gear pumps (hereinafter referred to as "pumps").
This standard is applicable to pumps that transport oils that do not contain solid particles and fibers, have a temperature not higher than 80℃, a viscosity of 5~1500mm/s, and have lubricating properties, and liquids with similar properties to such oils. Reference standards
GB1174
GB1220
GB2100
GB2511
GB3077
GB3216
GB5661
GB5675
GB9112
310095
310889
GB10890
GB/T3214
Basic thread profile of common thread
Determination of kinematic viscosity of petroleum products
Determination of Engler viscosity of petroleum products
Technical conditions for high-quality carbon structural steel
Casting bearing alloys
Stainless steel bars
Stainless acid-resistant steel castings
Technical conditions for copper alloy integral sleeves for sliding bearingsTechnical conditions for alloy structural steels
Centrifugal pumpsMixed flow pumpsAxial flow pumps and vortex pumpsTest methodsCavity dimensions for axial suction centrifugal pumpsMechanical seals and soft packingsCasting carbon steel for general engineering
Test methods for screw pumps
Types of steel pipe flanges
Grey iron castings
Precision of involute cylindrical gears
Measurement and evaluation methods for vibration of pumpswww.bzxz.net
Measurement and evaluation methods for noise of pumps
Measurement methods for flow rate of water pumps||tt ||General Technical Conditions for Packaging of Mechanical and Electrical Products
GB/T13384
JB4297
GBn193
Types and Basic Parameters
3.1 Type
Technical Conditions for Painting of Pump Products
General Technical Conditions for Packaging of Exported Mechanical, Electrical, Instruments and Meters Products Chromium Bearing Steel
3.1.1 The structural types of pumps are divided into horizontal and vertical types. Approved by the Ministry of Machinery and Electronics Industry on July 20, 1992 and implemented on January 1, 1993
JB/T6434-92
3.1.2 The tooth profile of the gear adopts involute and double arc tooth profiles 3.1.3 The meshing form of the gear is external meshing type. 3.2 Model designation method
3.2.1 Model description
Specified pressure, MPa
Specified flow rate at basic speed, m/h
No letters: horizontal
J: Gear tooth profile is involute
Y. Gear tooth profile is double arc
Oil delivery gear pump
3.2.2 Model example
Specified pressure 0.6MPa, flow rate 8m/h, horizontal double arc oil delivery gear pump: CY8/0.6. Specified pressure 2.5MPa, flow rate 3.2m/h, horizontal involute oil delivery gear pump: CJ3.2/2.5.3.3 Basic parameters
3.3.1 The performance parameters of the involute gear pump shall comply with the provisions of Table 1. Table 1
Specified pressure
1460r/min
32(29)
970/min
42(38)
Total efficiency
Required steam
Positive displacement margin
(NPSH)r
Specified pressure
JB/T 643492
Continued Table 1
1460r/min
970r/min
63(60)
Total efficiency
Required steam
Positive displacement margin
(NPSH)r
Specified pressure
JB/T6434-92
Continued Table 1
1460r/min
40(45)
1. 0(1.1)
970r/min
Total efficiency
Required steam
Positive displacement margin
(NPSH)r
Specified pressure
Note: ①Parameters in brackets are not recommended. JB/T6434-92
Continued Table 1
1460r/min
1.0(1.08)
2. 0(2.1)
970/min
②The parameters in the table are the values ​​of medium viscosity 17~43mm/s, temperature 50±5℃, volumetric
total efficiency
required steam
pitching margin
(NPSH)r
JB/T6434-92
The performance parameters of the double circular arc gear pump shall comply with the provisions of Table 2. Table 2
Specified pressure
Flow rate Q
1460 r/min
970r/min
Note: The parameters in the table are the values ​​of medium viscosity 17~43mm/s and temperature 50±5. 6
Total efficiency
Required steam
Positive displacement margin
(NPSH)r
JB/T6434-92
3.3.3 The working range of the involute gear pump is shown in Figures 1 to 10. m/h
(speed n=1460r/min）
JB/T 643492
(speed n970r/min）
pressure p
0.30.32MPa
JB/T643492
(speed=1460r/min）
pressure
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