Product Overview
Neway concentric butterfly valves are widely used in various industrial fluid control applications. The fully rubber encapsulated body is suitable for various corrosive service conditions. Compared with conventional gate, globe and ball valves, the weight is much lower. Due to the rapid development of artificial rubbers it is possible to use this valve within the modern chemical industry. Neway butterfly valves with concentric type design comply toAPI 609 standard.
Design Features
ISO5211 Top flange
Self-lubricating bearings, low torque, low frictionBi-directional sealing, 0 leakage
24″& lower size Wafer and Lug type is replaceable seat. For more than 24″ and double flange type the seat is bonded on the body.
The valve stem is triple sealed design to prevent outside leakage
Stem Anti-blow out design
Stem and disc are connected by the pin less connection design to reduce the internal leakage point, and the maintenance is convenient
Product Range
Size: 2″~72″ (DN50~DN1800)
Pressure Rating: 85~232Psi (PN6~PN16)
Body Material: Ductile Iron, CS, SS
End Connection: Wafer, Lug, RF Operation: Lever, Gear, Pneumatic, Electric, Hydraulic
