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  • 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
  • Valbart designed the Trunnion Mounted Control Ball Valve (TMCBV) to operate at high pressures while minimizing the torque needed to operate the valve. The spring-loaded, process energized seats offer tight (Class IV and Class V) shutoff at any pressure. In most cases, the TMCBV's capacity is greater than that of a comparable globe valve. This allows the customer to use a smaller, lighter valve and experience cascading savings. This valve also requires a smaller, less expensive actuator and less expensive pipe supports.
    Trunnion Mounted Ball Control
  • 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 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
  • 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
  • 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 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
  • The Mark One-X offers a cost-effective means of installing a small valve in a much larger line without line reducers or expanders. It is identical to a standard Mark One except for its body, which has expanded outlets.
    Expanded Outlets
  • The HPFlow is designed for high pressure applications up to 60,000 psi for very special needs. With the unique split body design it is possible to clamp the seat in between the body parts to handle these extreme pressure ratings. In combination with high pressure there is very often the need to handle also high diferential pressure. In this case the HPFlow series offers an axial multi-stage trim design.
    HP to 60K PSI
  • In the food and beverage industry as well as in biotechnology, pharmacy and other areas where perfect cleanliness and sterile valves are required, Flowserve has the solution. Our products meet the USDA and 3A requirements and can be supplied for Clean In Place (CIP) and Steam In Place (SIP).
    Sanitary & Aseptic
  • The Valtek Mark Eight control valve features a unique Y-style globe body that provides higher flow capacities and less process turbulence than conventional globe valves.
    Y-Pattern
  • A three-way version of the widely used Valtek Mark One valve, the Valtek Mark One 3-Way valve is used for combining or diverting service. Like the Mark One, it offers superior performance in liquid and gaseous services in simple, rugged design.
    Multi-Port
  • CavStream valve trim lowers cavitation damage by controlling the location and concentration of cavitation vapor bubble implosion in an area away from metal parts. CavStream trim utilizes a number of small, diametrically opposed flow holes through the walls of a special plug.
    Low Cv Cavitation Trim
  • 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
  • ChannelStream trim prevents cavitation from forming and minimizes hydrodynamic noise even in the most challenging liquid applications. Staged pressure drops eliminate cavitation by maintaining pressure above the vapor pressure, never allowing cavitation to form.
    Cavitation Elimination Trim
  • CavControl valve trim lowers cavitation damage by controlling the location and concentration of cavitation vapor bubble implosions in an area away from metal parts. CavControl trim utilizes a number of small, diametrically opposed flow holes through the walls of a special seat retainer.
    Cavitation Control Trim
  • Multi-Z valves are used if solids are entrained in the medium and if there is a possibility of cavitation forming. In addition this multiple stage valve is capable of reducing high-pressure differentials via a multiple stage relief process. Flowserve reduces pressure via division in partitions, a course which is different to that pursued by other suppliers. The major advantage is a noticeable reduction in wear combined with an extremely low-noise control valve. Likewise deviating from conventional procedures, in order to avoid cavitation a physically optimized technology has been implemented that achieves significantly better results.
    Heavy Dirty Media Cavitation Trim
  • DiamondBack trim prevents cavitation from forming and minimizes hydrodynamic noise even in the most challenging liquid applications. Staged pressure drops eliminate cavitation by maintaining pressure above the vapor pressure, never allowing cavitation to form. DiamondBack combines new advances in pressure drop management with previously proven technologies to create the most effective device capable of eliminating cavitation in the most demanding services.
    Dirty Media Cavitation Trim
  • The FK76C split-body, full-bore, trunnion-mounted ball valve represents the highest standards in valve technology. Its superfine finished, trunnion-mounted ball design is just one of its many important design features. Among them are an anti-blow out stem,long-life, double-stem seal system and stem supported in bearings to ensure seals are free from operation loads.
    Metal Seated 2-Piece
  • The Kammer TotalFlow (Series 035000 & 335000) is a general service valve portfolio designed to include special configurations. Designed mainly in special materials such as Hastelloy, Alloy 20 or other rare materials, the TotalFlow becomes the solution for your application in any pressure class up to CL2500. For pressure classes up to CL600 it is also available in stainless steel or carbon steel. The series is available as ANSI or DIN and in globe, angle or 3-way valve design. It is a perfect extension to Flowserve‘s FlowTop General Service valve series.
    General Service