B type rotary joints . It has precision ball bearing ... textiles,dyeing, rubber,plastics and chemical,etc. BE/BH type rotary joints .MAX WATER PRESSURE:MODEL 6-40 : ... 3''-1/2'' NEED DESIGN)SEAL COMBINATIONS-STANDARDCARBON GRAPHITE/CERAMIC FOR WATEROPTIONAL:CARBON GRAPHITE/SPECIAL METAL FOR HOT OIL ... -PURPOSE APPLICATIONSSEAL COMBINATION-FOR SEVERE CONDITIONSTUNGSTEN CARBIDE/CERAMIC(MAX TEMP:90 DEGREE