Application : general use : water, sea water air, hydrocarbons, acids etc. Models : TECFLY : type with lugs enabling use on bottom line. TECFLY LUG : type with threaded lugs allowing screw assembling. General characteristics : - Design in accordance with EN 593. - Tightness in both ways. NFE 29311 - ISO 5208 - DIN 3230. - Face to face in accordance with ISO 5752 Serie 20, NF EN 558-1, DIN 3202. - Two Kind of sleeves. - Body in dovetail shape ensures a perfect assembling. (For high vacuum we can stick it) - Internally reinforced resin sleeve giving a lower torque. - Stem : hight and low semi stem giving a high flow coefficient. - Machined disc on periphery giving a low and regular torque. - Stem unejectable. - Bearing : stainless steel Teflon lined. - Dovetail type sleeve. Material construction : - Body : cast iron, ductile iron, steel, stainless steel on request. - Disc : chromed cast iron, stainless steel 316, 316 L. Possibility various alloys, bronze aluminium, uranus B6, etc. - Sleeve : EPDM, nitril, FPM, silicone, etc