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Question:

What does "C" in D971F-16C DN450 RF mean for electric butterfly valves?

What does "C" in D971F-16C DN450 RF mean for electric butterfly valves?

Answer:

C represents the valve body and the material is cast steel;D stands for butterfly valve; 9 stands for electric; 7 stands for clip type; 1 represents middle line butterfly valve; 16 stands for nominal pressure 1.6Mpa; RF stands for flange joint; in the form of protruding surface.
C represents the valve body and the material is cast steel;D stands for butterfly valve; 9 stands for electric; 7 stands for clip type; 1 represents middle line butterfly valve; 16 stands for nominal pressure 1.6Mpa; RF stands for flange joint; in the form of protruding surface.
Valve carbon steel -16c body 316 stainless steel -16r

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