JB/T 3711.3-1999 This standard is a revision of JB 3711.3-84 "Technical Quantities and Units of Centralized Lubrication Systems". During the revision, editorial changes were made in accordance with relevant regulations and technical quantities and units of oil-gas distributors and oil-gas mixers were added. This standard specifies the parameters, items and measurement units of centralized lubrication systems and components. This standard is applicable to the parameters, items and measurement units of centralized lubrication systems and components in scientific research, engineering and technical documents and publications. This standard was first issued on June 29, 1984. JB/T 3711.3-1999 Technical Quantities and Units of Centralized Lubrication Systems JB/T3711.3-1999 Standard download decompression password: www.bzxz.net

ICS21.260
Machinery Industry Standard of the People's Republic of China
JB/T3711.3-1999
equivalent to DIN24271/3-82
Centralized Lubrication System
Technical Quantities and Units
Technical Measurements and Units for Centralized Lubrication SystemsPublished on 1999-06-28
National Bureau of Machinery Industry
Implementation on 2000-01-01
JB/T3711.3—1999
This standard is a revision of JB3711.3—84 "Technical Quantities and Units for Centralized Lubrication Systems". JB3711.3—84 is equivalent to DIN24271/3-82 "Technical Quantities and Units for Centralized Lubrication Systems". Compared with JB3711.3-84, the main technical content changes of this standard are: the technical quantities and units of oil-gas distributors and oil-gas mixers are added. At the same time, editorial modifications are made to the original standard. This standard replaces JB3711.3-84 from the date of implementation. This standard is proposed and managed by the Technical Committee for Standardization of Metallurgical Equipment. The drafting unit of this standard: Taiyuan Lubrication and Hydraulic Research Institute. The main drafters of this standard: Mao Jiping, Dai Guoqiang, Li Youquan, Li Weimin, Bai Sanwen. This standard was first issued in June 1984.
1 Scope
Machinery Industry Standard of the People's Republic of China
Centralized Lubrication Systems
Technical Quantities and Units
Tedhnical measurements and units forcentralized lubrication systems This standard specifies the parameters, items and measurement units for centralized lubrication systems and components. JB/T3711.3—1999
eqvDIN24271/3-82
Replaces JB3711.3—84
This standard applies to the parameters, items and measurement units of centralized lubrication systems and components in scientific research, engineering and technical documents and publications. 2 Referenced standards
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 the parties using this standard should explore the possibility of using the latest versions of the following standards. JB/T3711.1—1999 Terminology and classification of centralized lubrication systems 3 Required parameters in the instructions for centralized lubrication systems Type of centralized lubrication system (circulating type, consumable type) Number and characteristics of lubrication points (cooling and heating are required when necessary) Type of lubricant
Lubricant required at lubrication points (whether the lubricant amount needs to be adjusted) Back pressure at lubrication points
Spatial location of lubrication points, oil pumps and oil tanks Type of machine (unit) to be lubricated
Environmental impact (place of use, ambient temperature, dust , chemical influence and mechanical influence) Operation mode (manual, semi-automatic, automatic) Operation frequency
Lubrication system schematic
Control mode (time adjustment, machine cycle adjustment) Transmission mode (mechanical, pneumatic, electric, hydraulic, manual) Detection method
Maintenance possibility of centralized lubrication system (possibility of refueling, inspection and maintenance) Characteristics (Notes)
4 Components and devices of centralized lubrication system
4.1 Name
National Bureau of Machinery Industry 1999-06 -28 approved for implementation on 2000-01-01bZxz.net
Pumping device (reciprocating or rotary)
Reciprocating lubrication pump
Rotary lubrication pump
Single-line distributor
Dual-line distributor
Progressive distributor
Spray nozzle
Oil injection nozzle
Throttle valve
Adjustable flow valve
Pressure compensated throttle valve
Time adjustment program controller
Machine cycle adjustment program controller|| tt||Pressure switch
Electric contact pressure gauge
Liquid level switch
Temperature switch
Oil flow switch
Detection switch
Pressure meter
Flow meter
Pressure indicator
Oil flow indicator
Function indicator
Liquid level indicator
Lubrication pulse counter
Oil-gas distributor
Oil-gas mixer
Parameters, items and units are shown in Table 1.
JB/T3711.3-1999
Pump device
(See 4.5.1 of JB/T3711.1-1999) Reciprocating lubrication pump
(See 4.5.1.1 of JB/T37111-1999) Rotary lubrication pump
(See 4.5.1.2 of JB/T37111-1999) 11.3-1999
Parameters
Number of oil outlets
Nominal flow
Stroke frequency
Nominal pressure
Kinematic viscosity, cone penetration and other characteristic dataTemperature range
Direction of rotation (from the shaft end)
Rated power
Transmission type
Connection size
Supply medium| |tt||Protection form
Number of oil outlet points
Nominal displacement per stroke
Nominal displacement per rotation of transmission shaft
Stroke frequency
Nominal pressure
Kinematic viscosity, cone penetration and other characteristic dataTemperature range
Direction of rotation (from the shaft end)
Transmission type
Transmission torque
Operating force
Supply medium
Connection size
Number of oil outlet points
Nominal flow
Nominal displacement per rotation
Supply medium
Nominal pressure
Kinematic viscosity, cone penetration and other characteristic dataTemperature range
Direction of rotation (from the shaft end)
Transmission type
Connection size
L/min: cm/min: Lh: mL/min
mm/s：1/10mm
（clockwise or counterclockwise）
W：kw
cm：mL
mm/s：/10mm
（clockwise or counterclockwise）
L/h:L/min;cm\/min;mL/min
cm：mL
mm/s：1/10mm
（clockwise or counterclockwise）
（See 4.5.3 of JB/T3711.1—1999）Pipeline
（See 4.5.3 of JBT3711.1—1999） 46)
Single-line distributor
(See 4.7.3 of JB/T3711.1-1999)Dual-line distributor
(See 47.4 of JB/T3711.1-1999)JB/T3711.3-1999
Table 1 (continued)
Parameter item
Effective volume
Nominal volume
Nominal pressure
Overall dimensions
Connection dimensions
Nominal pressure
Temperature range
Minimum bending radius
Supply medium
Surface condition|| tt||Nominal inner diameter
Connection type
Connection size
Nominal pressure
Temperature range
Minimum bending radius
Surface condition
Expansion volume per meter under nominal pressure
Number of oil outlets
Oil supply per hole per cycle
Minimum operating pressure
Maximum unloading pressure
Maximum allowable pressure
Connection size
Supply medium
Kinematic viscosity, cone penetration and other characteristic dataTemperature range
Working principle (statics, dynamics, direct, indirect ）
Number of oil outlets
Amount of oil supplied to each hole per cycle
cmm:mL/m
cm';mm:mL
mm%/s；V10mm
cm;mm:mL
Dual-line distributor
(See 47.4 of JB/T3711.1-1999)Progressive distributor
(See 4.7.5 of JB/T3711.1-1999)Spray nozzle
(See 4.8.1 of JB/T3711.1-1999
Oil injection nozzle
(See JB/T3711.1-1999)1-1999 4.8.2) Throttle valve
(See 4.9.3.1 of JB/T3711.1-1999) Adjustable throttle valve
(See 4.9.3.1 of JB/T371L1-1999) JB/T3711.3-1999
Table 1 (continued)
Parameter/item
Minimum operating pressure
Maximum Allowable pressure
Kinematic viscosity, cone penetration and other characteristic data Temperature range
Supply medium
Connection size
Number of oil outlets
Oil supply per hole per cycle
Minimum operating pressure
Maximum allowable pressure
Minimum and maximum flow rate
Kinematic viscosity, cone penetration and other characteristic data Temperature range
Connection size
Supply medium
Spray form
Nominal pressure
Nominal flow
Lotus size
Kinematic viscosity, cone penetration and other characteristic dataTemperature range
Supply medium
Injection form
Nominal pressure
Nominal flow
Connection size
Kinematic viscosity
Temperature range
Supply medium
Flow rate (under specified pressure difference and specified viscosity)Maximum allowable pressure
Temperature range
Supply medium
Connection size
Flow rate (under specified pressure difference and specified viscosity)Maximum allowable pressure
Temperature range
Supply medium
Connection size
mm/s ：1/10mm
cm；mm：mL
mm/s；1/10mm
mm%s;/10mm
mm%/s：
Pressure compensating throttle valve
（See 4.9.3.2 of JB/T371L1—1999）Time adjustment program controller
（See JB/T371L1.1—1999 9 of 4.10.1.1) Machine cycle adjustment program controller
(see 4.10.1.2 of JB/T3711.1-1999) Pressure switch
(see 4.10.2.1 of JB/T3711.1-1999) Electric contact pressure gauge
(see 4.102.1.D of JB/T3711.1-1999) JB/T3711.3 -1999
Table 1 (continued)
Parameter item
Nominal flow
Kinematic viscosity
Temperature range
Minimum pressure drop
Maximum allowable pressure
Supply medium
Connection size
Rated power
Protection type
Time range
Connection size
Rated power
Protection type
Counting range
Working principle
Connection size
Allowable operating frequency
Operating pressure
Contact type
Rated power
Maximum allowable pressure
Filling volume
Operating volume
Adjustment range
Switching difference!
Protection type
Working medium
Connection size
Allowable operating frequency
Operating pressure
Switching difference
Contact type
Rated power
Maximum allowable pressure
Protection type
Electric contact pressure gauge
(See 4.102.1.1 of JB/T3711.1—1999)Liquid level switch
(See 4.10.2.2 of JB/T3711.1—1999)Temperature switch||t t||(See 4.10.2.3 of JB/T3711.1-1999)Oil flow switch
(See 4.10.2.4 of JB/T3711.1-1999)Detection switch
(See 4.10.2.5 of JB/T3711.1-1999)JB/T3711.3-1999
Table 1 (continued)
Parameter item
Working medium
Connection size
Filling volume
Operating volume
Rated power||tt ||Switching difference 2
Protection type
Contact type
Switching point position
Working medium
Temperature range
Nominal pressure
Connection size
Operating temperature
Switching difference 3
Rated power
Protection type
Contact type
Working medium
Temperature range
Nominal pressure
Connection size
Nominal flow
Flow switch point
Kinematic viscosity, cone penetration and other characteristic data Voltage
Rated power
Switching difference4)
Protection type
Contact type
Nominal pressure
Working medium
Connection size
Temperature range
Detection function
Rated power
Switching difference5)
Protection type
mm/s: 1/10mm
Detection switch
(See 4.10 of JB/T3711.1-1999) .2.5) Pressure gauge
(see 4.10.4.1 of JB/T3711.1-1999) Flow gauge
(see 4.10.2 of JB/T3711.1-1999) Pressure indicator
(see 4.10.4.1 of JB/T3711.1-1999) Oil flow indicator
(see 4.10.4.2 of JB/T3711.1-1999) Function indicator
(see 4.10.4.3 of JB/T3711.1-1999) Liquid level indicator Indicator
(See 4.10.4.4 of JB/T3711.1-1999)JB/T3711.3-1999
Table 1 (continued)
Parameter Item
Connection Type
Connection Size
Accuracy Grade
Indication Range
Measuring Range
Working Medium
Connection Size
Working Principle
Minimum Graduation Value
Measuring Range
Working Medium
Measuring Principle|| tt||Connection size
Nominal pressure
Kinematic viscosity, cone penetration and other characteristic dataLiquid flow resistance
Nominal pressure
Working medium
Maximum allowable pressure
Connection size
Working principle
Nominal flow
Working medium
Maximum allowable pressure
Maximum allowable flow
Connection size
Working principle
Working principle
Indication level
Rated power||tt| |Switch point position
Working medium
Temperature range
Nominal pressure
Connection size
mm%/s;/10mm
Lubrication pulse counter
(See 4.10.4.5 of JB/T3711.1-1999)Oil-gas distributor
(See 4.10.4.6 of JB/T3711.1-1999)Oil-gas mixer
(See 4.10.4.7 of JB/T3711.1-1999)JB/T3711.31999
Table 1 (end)
Parameter item
Maximum counting frequency
Counting range
Connection size
Working principle
Number of oil outlets
Minimum operating pressure
Maximum operating pressure
Minimum and maximum oil supply
Connection size
Supply medium
Kinematic viscosity and other characteristic data
Temperature range
Working principle (statics, dynamics, direct, indirect)|| tt||Number of oil outlets
Amount of oil per outlet per cycle
Maximum oil inlet pressure
Minimum oil inlet pressure
Maximum air inlet pressure
Minimum air inlet pressure
Connection size (thread type)
Supply medium
Kinematic viscosity and other characteristic data
Temperature range
Working principle (statics, dynamics, direct, indirect)
1) The difference in operating pressure when the pressure rises or falls 2) The difference in switch point position when the liquid level rises or falls. 3) The difference in operating temperature when the temperature rises or falls 4) The difference in flow switch points when the oil flow increases or decreases 5) The difference in the test value of the test item when it increases or decreases Hz
cm: mL
cm: mL
Republic
Mechanical Industry Standard
Centralized Lubrication System
Technical Quantity and Unit
JB/T3711.3—1999
Published and Distributed by the Mechanical Science Research Institute
Printed by the Mechanical Science Research Institute| |tt||（No. 2, Shouti South Road, Beijing, Postal Code 100044）*
Printing Sheet 3/4
Format 880×1230
Word Count 20000
First Edition in December 1999
First Printing in December 1999
Print Quantity 1-500
Price 1000 Yuan
99-1204
Mechanical Industry Standard Service Network: http:/hvww.JB.ac.cn6661
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