... return pipe 4)top quality 5)Good price VBT Series Bronze Valve (DN15 ~ DN25) 1, General VBT Series Bronzed Valve is ... steam according to actuator. Characteristics Pressure Rating: PN16 Valve Body: Bronze Seat, Stem, Pusher: Stainless steel Diameter: DN15^DN25 mm Temp ... .: -25~130º C 2, Specifications: bronze valve for oil size: 1/2"-4" High Quality and ...