Outside screw streamlined flow valve series PN 40. Maintenance free. GX5 CrNiMo 19-11-2 stainless steel body and yoke. Stainless steel stem, bellows and sealing seats. Graphite + stainless steel gaskets. Carbon steel handwheel. The valve is standard provided by: position indicatori, safety backseat on the stem, rise limiter, lubricator, locking set screw. Connection flanges dressed and drilled according to EN 1092-1 PN 40 with rised face.