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Your Valve Partner

Your Valve Partner. Compact mounting. Modular design. Service friendly solutions. 1.0. Control valves. Flow Control. Globe valve. Ball valve. Butterfly valve. Ball sector valve. 1.1. Isolation valves. Check valves. Ball valves. Safety valves. Knife gates.

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Your Valve Partner

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  1. Your Valve Partner Compact mounting Modular design Service friendly solutions 1.0

  2. Control valves Flow Control Globe valve Ball valve Butterfly valve Ball sector valve 1.1

  3. Isolation valves Check valves Ball valves Safety valves Knife gates Globe valves Wedge gates Butterfly valves 1.2

  4. Butterfly valves Butterfly valves for many applications: P&P, power, process, municipal use… 2.0

  5. High performance butterfly valve Triple offset design Patented disc profile NAF-Torex Flow Control 2.1.1

  6. NAF-Torex Flow Control Triple offset geometry 2.1.2

  7. Metaloplast bearing Seat rings of PTFE, Inconel 718, EPDM or FPM. NAF-Torex Flow Control EPDM, FPM PTFE Inconel 718 2.1.3

  8. Alternatively with box packing High-level actuator mounting Hard chromium plated stem bearing NAF-Torex Flow Control 2.1.4

  9. •Material: Stainless steel or special materials •Dimensions: DN 80 – 600 (DN 700 - 1000 NAF-Unex) •Class: PN 10 - 40 ANSI Class 150 - 300 •Mounting:Wafer Lug-type •Temperature:Up to 350°C NAF-Torex Flow Control 2.1.5

  10. NAF-Torex • Design with welding ends • Material: Carbon steel • •Sizes: DN350-700 • •Class: PN16-25 • Temperature: -40 - 200 ° C 2.2

  11. Desponia butterfly valve Flow Control • Lined butterfly valve in wafer, • lug and double flanged design • A variety of materials for the • lining and disc • Replaceable liner 2.3.1

  12. Desponia butterfly valve Flow Control • •Materials: Housing GGG, GG • Liner EPDM, NBR, Silicon • •Dimensions: Wafer DN 25 – 700 • LUG DN 25 – 400 • Flanged DN 150 - 1200 • •Class: PN6-PN20 • •Mounting: Wafer, Lug, Flanged • Temperature: -40° C to +200° C 2.3.2

  13. Bianca butterfly valve Flow Control • A gas tight valve with excellent • resistance against diffusion • Low pressure drop and torque demand 2.4.1

  14. Bianca butterfly valve Flow Control •Material:GGG 40.3 •Dimensions: DN 32 – 800 •Class: PN6-PN16 •Mounting: Wafer, Lug •Temperature: -40…+200°C 2.4.2

  15. Ball sector valve The all-round control valve. 3.0

  16. V-shaped ball sector for outstanding control performance NAF-Setball Flow Control 3.1.1

  17. • O-ring stem seal design. Easy maintenance, available in various materials. • Seat rings of stellite or encapsulated C-PTFE NAF-Setball Flow Control PTFE / SS Stellite 3.1.2

  18. Alternatively with box packing Alternatively with metaloplast bearings NAF-Setball Flow Control 3.1.3

  19. •Material:SS or other •Dimensions: DN 25 - 400 •Class: PN 10 - 40 ANSI Class 150 - 300 •Mounting: Wafer DN25-200 Flanged DN80-400 •Temperature: Max. 225° C NAF-Setball Flow Control 3.1.4

  20. Ball valves A valve for demanding applications 4.0

  21. A robust valve for demanding applications NAF-Duball 4.1.1

  22. • Maintenance free stem with PTFE bushing and double O-ring seals • Seat rings of stellite or encapsulated CPTFE NAF-Duball Flow Control Stellite PTFE 4.1.2

  23. • Box packing for high temperatures, 230…350° C Bearing of stellite, high actuator mounting NAF-Duball Flow Control 4.1.3

  24. •Materials:SS and specials •Dimensions: DN 25 - 500 Full bore •Class: PN 10 - 40 ANSI Class 150 - 300 •Mounting:Flanged •Temperature: Up to 350°C NAF-Duball Flow Control 4.1.4

  25. Seat rings of PTFE or Stellite Box packing with o-ring NAF-Triball Flow Control 4.2.1

  26. •Materials: SS •Dimensions: DN10-100 •Class: Max PN56 •Mounting: Various •Temperature: Max. 225°C NAF-Triball Flow Control 4.2.2

  27. Navalball • A safe, leakage free shut-off valve • Low lifetime cost due to simple and • robust construction 4.3.1

  28. Navalball •Materials: CS, SS •Dimensions: DN 10 - 600 •Class: PN 16 - 40 •Mounting: Various •Temperature: Max 200°C C 4.3.2

  29. Navalsteam • Designed for steam up to 300 °C 4.4.1

  30. Navalsteam •Material: CS •Dimensions: DN 15-100 •Class: PN 25/40 •Mounting: Various styles •Temperature: Max 300 °C C 4.4.2

  31. Knife gate valve Shut-off valve with unique features 5.0

  32. Metal seated Soft seated for maximum tightness NAF-Knife Flow Control 5.1.1

  33. Box packing with o-ring NAF-Knife Flow Control 5.1.2

  34. •Materials: GG, SS •Dimensions: DN 50 - 1200 •Class: PN 10 ANSI Class 150 •Mounting: Wafer •Temperature: Up to 400°C NAF-Knife Flow Control 5.1.3

  35. Versatile globe control valve for various applications High volume body Long lifetime and high reliability FoxTop – globe valve 6.2.1

  36. FoxTop – globe valve Flow Control • •Materials: CS, SS • •Dimensions: DN 15 - 300 • •Class: PN10-40 • •Mounting: Flanged, welded ends • Temperature: -30°C to +400° C 6.2.2

  37. Modular design A standard valve with compact and simple design FoxPak – globe valve 6.3.1

  38. FoxPak – globe valve Flow Control • •Materials: CS, SS • •Dimensions: DN 15 - 100 • •Class: PN10/40 • •Mounting: Flanged • Temperature: -10° C to +350° C 6.3.2

  39. A wide variety of body and trim designs FoxPlus – globe valve 6.4.1

  40. FoxPlus – globe valve Flow Control • •Materials: CS, SS, others • •Dimensions: DN 25 - 300 • Class: PN 63-160 • •Mounting: Flanged, welded ends • Temperature: -30 °C to +530 °C 6.4.2

  41. Disc check valves A fast closing valve Robust design 9.0

  42. Oblique seat Fully open at low flow NAF-Check Flow Control 9.1.1

  43. NAF-Check Flow Control Characteristic Without spring With spring 9.1.2

  44. •Materials: CS, forged steel, SS •Dimensions: DN 40 - 1000 •Class: PN 25 - 100 ANSI 150 - 300 •Mounting: Wafer •Temperature: Max 525° C NAF-Check Flow Control 9.1.3

  45. Noise & cavitation 14.0

  46. Less sensitive to impurities Very high Kv values NAF-Setball with Z-trim Flow Control 14.1.1

  47. NAF-Trimball • Less sensitive to impurities • Very high Kv values 14.1.2

  48. A-Trim perforated ball design with zigzag channels NAF-Trimball Flow Control 14.1.3

  49. Cavitation elimination Pressure With trim W/O trim Upstream Downstream 14.1.4

  50. •Material: SS •Dimensions: DN 50 – 250 A-Trim DN 50 - 300 Z-Trim •Mounting: Flanged •Class: PN 10 - 40 ANSI Class 150 – 300 •Temperature: Up to 350ºC NAF-Trimball Flow Control 14.1.5

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