Models and specifications: 1) Exterior whorl direct links 2) Size: S20*1/2'', S25*1/2'', S25*3/4'', S32*1/2'', S32*3/4'', S32*1'', S40*1 1/4'', S40*1'', S50*1 1/2'', S63*2'' 3) Color: all kinds of color available 4) Whorl material: brass or iron Packing: export standard seaworthy packing Applications: 1) The pipe system of hot or cold water supply for the civil or industrial use. 2) Public sites,(such as schools, hospital), gyms, (such as swimming pools, playgrounds). 3) Drinking water system and food industry tubing system. 4) The irrigating system of garden and green house. 5) The traditional thermal supplying system. 6) The transporting pipe system for chemical liquids. 7) And the others.