Floating.

  • The Duball DL is a high-performance, metal-seated, full-bore ball valve, equally suitable for isolation, on-off and modulating control applications. The excellent characteristics of NAF Duball DL are particularly beneficial under the most challenging operating conditions in the process industry, where difficult media and demanding pressure conditions make severe demands on the design, materials and performance.
    Metal Seated Split-Body Full Port
  • The Argus FK79 ball valve with its many innovative design features represents the highest standard in valve technology and is designed to meet the API 6D, ANSI 16.34 and BS 5351 requirements. Split body design with superfine finished seat supported ball, anti-blow-out stem, compact ball seats and anti-static device. Long life double stem seal system and stem supported in bearings to ensure seals are free from operating loads. Stem sealing construction complies with the latest TA-Luft and EPA (method 21) fugitive emissions requirements and fire-safe to BS 6755 and API 607.
    Side-Entry Small Bore
  • The Argus FK75M ball valve with its many innovative design features represents the highest standards in valve technology and is designed to meet the API-6D, ANSI 16.34 and BS 5351 requirements. Long lifetime and low operating torques due to the clear separation between the sealing and bearing functions. Split body design with superfine finished padmounted ball, anti-blow-out stem, spring loaded ball seats with cavity relief and anti-static device. Long life double stem seal system and stem supported in bearings to ensure seals are free from operating loads. Stem sealing construction complies with the latest TA-Luft and EPA (method 21) fugitive emissions requirements.
    Side-Entry Large Bore
  • The Argus EK71 ball valve with its many innovative design features represents the highest standards in valve technology and is designed to meet the API-6D, ANSI 16.34 and BS 5351 requirements. One piece low temperature forged Carbon Steel body design (end entry) with superfine finished seat supported ball, anti-blowout stem, compact ball seats and anti-static device. Long life double stem seal system and stem supported in bearings to ensure seals are free from operating loads. Stem sealing construction complies with the latest TA-Luft and EPA (Method 21) fugitive emissions requirements.
    End-Entry Small Bored
  • The Argus FK75C split-body, full-bore, floating ball valve represents the highest standards in valve technology. Its superfine-finished, seat-supported ball is just one of its many important design features. Others include an anti-blow out stem, long-life, double-stem seal system and stem supported in bearings to ensure seals are free from operation loads.
    Split-Body Chemical Coated & Cladded
  • The Duball DL is a high-performance, metal-seated, full-bore ball valve, equally suitable for isolation, on-off and modulating control applications. The excellent characteristics of NAF Duball DL are particularly beneficial under the most challenging operating conditions in the process industry, where difficult media and demanding pressure conditions make severe demands on the design, materials and performance.
  • The Vahn-Tech Series VT-BV floating ball valves are designed to provide maximum service life and durability. Designed with extensive safety considerations including provision of locking devices, blow-out proof stems and prevention of misalignment of lever handles provide safe handling in the field. To ensure smooth plant operation, antistatic devices, fire safe seal design and cavity pressure relief features are provided.
    Floating 2/3-Piece & Flanged