JB/T 12691-2016Screw pump for lubrication devices (English PDF)

National Standard of the People's Republic of China

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

Contents

• 1 Scope
• 2 Normative references
• 3 Type, model, basic parameters and main mounting dimensions
• 3.1 Type
• 3.2 Model
• 3.3 Basic parameters
• 3.4 Main mounting dimensions
• 4 Technical requirements
• 4.1 Appearance
• 4.2 Materials
• 4.3 Parts, components and assembly
• 4.4 Temperature rise of the bearing
• 4.5 Leakage of the shaft seal
• 4.6 Performance parameters
• 4.7 Net positive suction head required NPSHR
• 4.8 Vibration
• 4.9 Noise
• 4.10 Cleanliness
• 4.11 Pressure relief valve
• 5 Test methods
• 5.1 Test conditions
• 5.2 Test items
• 5.3 Testing methods
• 5.4 Calculation and conversion of the performance parameters
• 6 Inspection rules
• 6.1 Categories of inspection
• 6.2 Inspection items
• 7 Marking, packaging, transport and storage
• 7.1 Marking
• 7.2 Packaging
• 7.3 Transport
• 7.4 Storage
• Figure 1 Outline of the HSNH pump unit
• Figure 2 Outline of the HSNF pump unit
• Figure 3 Outline of the HSNS pump unit
• Figure 4 Outline of the HSNK pump unit
• Figure 5 Outline of the HSAF pump unit
• Figure 6 Outline of the HSAD pump unit
• Figure 7 Outline of the HSAS pump unit
• Figure 8 Outline of the HSJB pump unit
• Figure 9 Outline of the HSW pump unit
• Table 1 Comparison between the size code and the helix angle of the screw
• Table 2 Basic parameters of the pump unit with split pump liner structure
• Table 3 Basic parameters of the pump unit with integral pump liner structure
• Table 4 Main mounting dimensions of the HSNH pump unit
• Table 5 Main mounting dimensions of the HSNF pump unit
• Table 6 Main mounting dimensions of the HSNS pump unit
• Table 7 Main mounting dimensions of the HSNK pump unit
• Table 8 Dimensions of the inlet and outlet flanges of the HSN (H, F, S, K) pump
• Table 9 Main mounting dimensions of the HSA (F, D, S) pump
• Table 10 Main mounting dimensions of the HSAF pump unit
• Table 11 Main mounting dimensions of the HSAD pump unit
• Table 12 Main mounting dimensions of the HSAS pump unit
• Table 13 Main mounting dimensions of the HSJB pump unit
• Table 14 Dimensions of the inlet and outlet flanges of the HSJB pump
• Table 15 Main mounting dimensions of the HSW pump unit
• Table 16 Dimensions of the inlet and outlet flanges of the HSW pump
• Table 17 Materials of the main parts and components of the pump
• Table 18 Leakage of the shaft seal of the pump
• Table 19 Full return flow pressure of the pressure relief valve
• Table 20 Tolerance of the flow rate
• Table 21 Tolerance of the shaft power
• Table 22 Permissible errors of the instruments and gauges
• Table 23 Permissible range of the total error
• Table 24 Permissible fluctuation range of the readings of the measured quantities
• Table 25 Inspection items and requirements