a42y-25、a42y-25p、a42y-25r、ka42y-25 (p)、da42y-25 (p)
note: types and specifications of safety devices need to be calculated and selected according to the specific working conditions of the protected equipments and systems before quotations.
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a42y-c type are used for the equipment and pipeline of the air, petroleum gas, liquid etc medium what the working temperature are less than 300℃
a42y-ptype anda42y-rtype are used forthe equipment and pipelineof the quality with corrode medium what the working temperature are less than 200℃.take for extra pressure protection devices.
flang connecting dimensions of comply with standard series one of jb/t …94, comply with standard series twoof jb/t…94 when more than 6.4mpa.
main parts and materials
main external dimensions