Features: 1) Apureda stainless steel T type roll thread filter elements 2) Adopt V big aperture structure 3) With 1Cr18ni9ti and the 316L trapezoid roll thread welding 4) Used for water treatment, coal, petroleum mining, chemical food thickly filters and fine filters 5) Service life is not long 6) Safe 7) Low comprehensive cost 8) Uses overseas advanced technology 9) Manufactured by advanced special-purpose work clothes equipment 10) Industry flow system 11) Quite good influence on the domestic power plant water treatment equipment 12) We have complete range of products for your selection, customized specifications also accepted Applications: They are mainly used for power plant water treatment equipment, oil industry, medicine, electronics, steel, papermaking, chemical industry, food industry, and each kind of liquid medium filters. Our company develops the stainless steel trapezoid roll thread diving helmet series filters based on stainless steel filter elements. The stainless steel trapezoid roll thread can enter to the water, center row of equipment and the resin catcher.