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
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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 pumps 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 643492www.bzxz.net (speed n970r/min) pressure p 0.30.32MPa JB/T643492 (speed=1460r/min) pressure Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.