1 Scope
This part of JB/T 11340 specifies the technical requirements, test methods, inspection rules, marking, handling and storage of valve-regulated lead-acid battery (hereinafter referred to as battery) safety valve.
This part is only applicable to valve-regulated lead-acid battery safety valve.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the normative document (including any amendments) applies.
GB/T 2408 Plastics - Determination of Burning Characteristics - Horizontal and Vertical Test
GB/T 2828.1 Sampling Procedures for Inspection by Attributea - Part1: Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection
GB/T 19638.2-2005 Lead-acid Batteries for Stationary Valve-regulated
Contents
Foreword I
1 Scope
2 Normative References
3 Technical Requirements
3.1 Structure of Safety Valve
3.2 Appearance and Dimension
3.3 Flame Retardance
3.4 Explosion Resistance
3.5 Acid Fog Resistance
3.6 Opening Pressure of Valve
3.7 Closing Pressure of Valve
3.8 Ventilation Flow
3.9 Suction Performance
3.10 Vibration Resistance
3.11 Impact Resistance
3.12 Service Life of Opening and Closing Valve
3.13 High and Low Temperature Resistance
3.14 Acid Resistance
4 Test Methods
4.1 Appearance and Dimension
4.2 Flame Retardance Test
4.3 Explosion Resistance Test
4.4 Acid Fog Resistance Test
4.5 Opening Pressure Test
4.6 Closing Pressure Test
4.7 Ventilation Flow Test
4.8 Suction Performance Test
4.9 Vibration Resistance Test
4.10 Impact Resistance Test
4.11 Service Life Test of Opening and Closing Valve
4.12 High and Low Temperature Resistance Test
4.13 Acid Resistance Test
5 Inspection Rules
5.1 Batch
5.2 Self-inspection
5.3 Inspection
5.4 Judgment Rules
6 Marking, Handling and Storage
6.1 Marking
6.2 Handling
6.3 Storage
Figure 1 Assembling of Safety Valve
Figure 2 Structure of Safety Valve
Figure 3 Pressure Test Device for Opening and Closing Valve
Figure 4 Ventilation Flow Test Device
Figure 5 Suction Performance Test Device
Figure 6 High and Low Temperature Pressure Test Device for Opening and Closing Valve
Table 1 Delivery Inspection and Periodic Inspection
