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Revised battery rules, page-24

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14/10/19

10:22

Post #: 40865114
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Originally posted by SynQuasi: ↑

The Draft DR2 AS/NZS 5139:2019 dated back in march shows this table below. If the table has not been change since the draft (I could not find the current standard) it appears the Fire Hazard risk for flow batteries is N/A indicating neither Level 1 or Level 2 risk which may require the special precautions.

So looks good. But I would like to see the final standard to confirm if this table has changed.

View attachment 1774655

In the Redflow Installation and Operation Manual – ZBM2 (Document ID: IMRFS22 | Version: 4.0 2019) it has this section:

2.3. ZBM2 Fire Safety Characteristics
The ZBM2 is an inherently low fire risk battery as its electrolyte is non-flammable and has many
characteristics of a fire retardant (see Section 5 in the SDS in Appendix F).
As a failsafe measure, the ZBM2 firmware automatically turns the electrolyte pumps off if it detects a leak. This prevents further electrolyte from being introduced into the battery’s stack. This means that the battery cannot self-sustain an energy discharge. While there will be a slight increase in temperature, these measures help prevent stack overheating.

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agreed.
The introduction of AS/NZS 5139 is a positive for Redflow.

RFX Price at posting: 5.4¢ Sentiment: Buy Disclosure: Held
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0 Great analysis

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