YZF2-140

YZF2-200

YZF3-140

YZF3-200

YZF3-250

DF series plate butterfly valve

Steel plate butterfly valve

φ80 stainless steel vacuum butterfly valve

φ80 vacuum butterfly valve with tube

φ80 round steel plate butterfly valve

Steel plate butterfly valve (connected to relay)

Steel plate butterfly valve (connected to heat sink)