S Series, FS Series, SL Series, WSY Series ,FSY Series are the fiberglass reinforced plastic centrifugal pumps. The flow parts of pumps are punched in high temperature of polyethylene FRP material. The pumps has the advantages of anti-corrosion and anti-high temperature and light weight and no distortion etc. Shaft seal has the ordinary and anti-high temperature type. Maximum temperature of the chemical liquid is 90 degree celsius for FS pumps with ordinary mechanical seal and 120 degree celsius for FS pump with mechanical seal of anti-high temperature material.