The difference between the GGG-40 and GGG-50 butterfly valve is
the suitable temperature. The GGG-40 is recommended for 45 degrees
C to 150 degrees C and the GGG-50 is recommended for 35 degrees C
to 130 degrees C.
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∙ 10y ago
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Q: What is the difference of GGG-40 and GGG-50 in butterfly valves?