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  • Noreva's NC is a lower cost solution which combines the advantages of the NZ with a shorter face-to-face length and reduced weight, where marginally higher pressure drops are acceptable. The NC is specially designed for gas applications having a centrally guided, single spring with very low fully open velocity. The design is focused on laying the centre of gravity of the only moving part, the disc, over the centre of the surface it is sliding on. Due to this design change, the NC is able to use softer springs, which function at very low flow rates, mainly because the tilting effect of the moving component is eliminated all together.
    Ring Disc Centre Guided Short Pattern for Gas
  • The unique ring disc design ensures that the disc remains light and responsive even in large sizes, which is essential for rapid non-slam closure. Mounted on a multiple spring and radial guide assembly, the disc moves freely without the frictional forces. Combining two ring-shaped annular flow paths with the excellent pressure recovery properties provided by the diffuser, the minimal pressure drop across the Type N valves gives lifetime energy savings when compared to more conventional check valve designs.
    Ring Disc Radial Guided API 6D Pattern
  • The unique ring disc design ensures that the disc remains light and responsive even in large sizes, which is essential for rapid non-slam closure. Mounted on a multiple spring and radial guide assembly, the disc moves freely without the frictional forces. Combining two ring-shaped annular flow paths with the excellent pressure recovery properties provided by the diffuser, the minimal pressure drop across the Type N valves gives lifetime energy savings when compared to more conventional check valve designs. Pressure recovery is further enhanced within the NG series due to a wider split-body design to facilitate greater flow efficiency and throughput performance.
    Ring Disc Radial Guided for Potable Water
  • The NK type, with its reduced body length and its consequent reduced weight, offesr significant cost savings compared with the long pattern NB and ND types. The unique ring disc design ensures that the disc remains light and responsive even in large sizes, which is essential for rapid non-slam closure. Mounted on a multiple spring and radial guide assembly, the disc moves freely without the frictional forces. Combining two ring-shaped annular flow paths with the excellent pressure recovery properties provided by the diffuser, the minimal pressure drop across the Type N valves gives lifetime energy savings when compared to more conventional check valve designs.
    Ring Disc Radial Guided Short Pattern
  • Noreva's NZ is specially designed for gas applications having a centrally guided, single spring with very low fully open velocity. The design is focused on laying the centre of gravity of the only moving part, the disc, over the centre of the surface it is sliding on. Due to this design change, the NZ is able to use softer springs, which function at very low flow rates, mainly because the tilting effect of the moving component is eliminated all together. It provides the same internal flow profiles and consequentally, the same pressure loss.
    Ring Disc Centre Guided for Gas
  • The Vahn-Tech Series TOV and TOBF triple offset butterfly valves are designed to meet the critical zero-leakage isolation requirements for industry applications. Split into two primary design categories, floating and fixed seats, there's versatility in the selection to match your process requirements and project economics.
    Triple Offset
  • 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
  • The Vahn-Tech Series VT-BV-T is an API 6D compliant and monogrammed trunnion mounted ball valve available in standard pipeline soft-seated configuration, as well as specialty metal-seated, high-temperature, acid gas and CO2 configurations. Seats designs can be configured as Single Piston Effect (SPE) and Double Piston Effect (DPE), providing verstatility to suit any application requirement for Double Block & Bleed and Double Isolation & Bleed.
    Trunnion Mounted Ball
  • The Vahn-Tech Series VT-BV-TE is an API 6D compliant and monogrammed top entry trunnion mounted ball valve available in standard pipeline soft-seated configuration, as well as specialty metal-seated, high-temperature, acid gas and CO2 configurations. Seats designs can be configured as Single Piston Effect (SPE) and Double Piston Effect (DPE), providing verstatility to suit any application requirement for Double Block & Bleed and Double Isolation & Bleed.
    API 6D Top-Entry
  • The axial design allows for a streamlined flow path around the disc and high pressure recovery, minimising pressure drop across the valve. The efficient design combined with the highly responsive non-slam operation make this valve ideal for high head, critical pump applications. Its optimum designed aerodynamic flow path through the valve results in very low pressure losses. It is also available with the API 6D face-to-face dimensions (Series ZD)
    Solid Disc Centre Guided
  • The axial design allows for a streamlined flow path around the disc and high pressure recovery, minimising pressure drop across the valve. The efficient design combined with the highly responsive non-slam operation make this valve ideal for high head, critical pump applications. Its optimum designed aerodynamic flow path through the valve results in very low pressure losses.
    Solid Disc Centre Guided API 6D Pattern
  • Designed specifically for potable water applications. The axial design allows for a streamlined flow path around the disc and high pressure recovery, minimising pressure drop across the valve. The efficient design combined with the highly responsive non-slam operation make this valve ideal for high head, critical pump applications. Its optimum designed aerodynamic flow path through the valve results in very low pressure losses.
    Solid Disc Centre Guided for Potable Water
  • Setball Segmented Ball Valves are cost-competitive general service valves that offer excellent rangeability and high-flow capacity. NAF Setball can be used in a wide variety of applications and meets the highest demands for control accuracy provided by the equal percentage characteristic and the splined connection between shaft and sector.
    Segmented Ball CL150-300
  • The NAF Setball for Middle Consistency (MC) pulp is a ball sector valve with metal-to-metal seating and combines the best control characteristics of the ball valve and the butterfly valve. It can be used both as control valve and as shut-off valve and is available in flanged version. This valve type is developed for MC-pulp 8-19%. It has an enlarged outlet with one size bigger flange on the outlet to get an excellent flow characteristic for the MC-pulp out of the valve. It is available as standard in 1.4408/CF8M, CG8M and SMO254.
    MC Pulp Segmented Ball CL150-300
  • NAF Setball ProCap Segmented Ball Valves are unique high-tech capping valves designed for automated filling of wood chips for batch digester applications in the pulp industry.
    Capping Valve
  • NAF Setball ProCap Segmented Ball Valves are unique high-tech capping valves designed for automated filling of wood chips for batch digester applications in the pulp industry.
    Capping Valve
  • The NAF Setball SF valve is a cost-competitive, compact, rotary control, V-port ball sector valve that offers excellent rangeability and high-flow capacity. In comparison to the NAF Setball, the Setball SF offers a compact design with a short face-to-face.
    Short Face Segmented Ball CL150-300
  • The Valtek ShearStream is a segmented, ball control valve that provides exceptional control and rangeability for the process industries. Designed to overcome the problems of harsh, particle entrained processes, ShearStream also provides accurate, reliable control in a broad range of applications, such as chemical, power and petroleum.
    Segmented Ball CL150-600
  • SideWinder trim prevents cavitation from forming and minimizes hydrodynamic noise in high pressure drop, low flow applications. Staged pressure drops eliminate cavitation by maintaining pressure above the vapor pressure, so that cavitation never forms. Using the proven DiamondBack advanced pressure drop mechanisms in an axial flow configuration producing precise control in low flow conditions.
    Low Cv Dirty Media Cavitation Trim
  • Kammer SmallFlow micro flow and low flow valves are designed for applications in a Cv range from 0.000063 to 4.7. The have high rangeability and reproduceable trim characteristics. Standard designs as well as special applications or materials available.
    Micro Cv