Valveco Lugged Butterfly Valves Get latest price

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Lever & Gear Operated
• ISO Square Drive for sizes 50-300mm and positive keyed drive for sizes 350mm and above.
• Four self lubricating bronze bushes provide maximum stem support with minimum friction. Eliminates potential stem seizure.
• Pressure surge seals (O’rings) are moulded inside the seat stem hole area to provide failsafe sealing around stem, eliminating possible leakage.
• Phenolic resin backed seat provides support for the seat is non-collapsible, stretch resistant, blowout proof and suitable for vacuum.
• Precision profile disc provides bubble-tight shutoff with minimal disc/seat interference, assuring minimum torque and longer seat life.
• Universal flange adaptability for wafer style in size range. Suits ANSI 125, DN16, AS 2129 Table “D” & “E”.
• Actuator mounting flange, conforms to ISO5211 and accommodates all types of operators, lever, gear, electric, hydraulic and pneumatic.
• O’ring weather seal prevents ingress of moisture and external material into the stem area.
• One piece thru-stem design ensures dependability and positive disc control.
• Internal square drive and precision taper pins ensure positive, vibration proof, stem to disc connection.Square drive = 300mm size Pins = 350mm size.
• Polished disc flats “mate” with seat flats to give a highly efficient seal; prevents leakage into stem
area.
• Supported stem seal protects against distortion, a common cause of stem leakage.
• Fusion bonded epoxy coated.

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To contact HMA Group about Valveco Lugged Butterfly Valves use Get a quote.