based on European ban (on substances that deplete the ozone layer ODS) Laws and regulations, Germany's federal environment agency ( UBA) Are driving ban the use of new low GWP value refrigerant R1233zd.
the European commission launched in July the ODS rules ( 1005/2009) Review to determine if it is still meet under the current situation of target. In 2010 the implementation of the regulations, in order to achieve the Montreal protocol set goal in Europe.
in the submitted proposal, Germany unep urged for ODS continued strict ban, and points out that R1233zd has very low ozone destruction QianZhi ( ODP) — — 0. 00034, it was as a substitute for R123 refrigerants used in new type of low pressure centrifugal chiller.
for R1233zd, Germany unep, said: 'we recommend for ODS continued strict ban, although some ODP> 0 production and material will be promoted in many new applications in the field of refrigeration. '
R1233zd grade is A1, non-toxic, not flammable refrigerant, GWP value of 4. 5, it has been a lot of water chiller manufacturers instead of refrigerant R123. At the same time, R1233zd also used as foaming agent.
as refrigerant R123 put into market in the early 1990 s, as a substitute for R11. Although it has high efficiency and low GWP value ( GWP = 77) , but as part of the as material, at present based on the Montreal protocol on a global scale to work out. It new substitute R1233zd ODP value because of its extremely low, is usually defined as zero ODP value, but can still be measured by the ODP value is 0. In 00034, nearly 200 times lower than R123 ODP values.
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