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Flanged Ball Valve

KM 20/21

Size Range
DN 15 to 200
Temperature Range
-60°C to 200°C
Maximum Allowable Operating Pressure
40 bar

Specifications

Flanged Ball Valve - KM 20/21

Size Range
DN 15 to 200
Temperature Range
-60°C to 200°C
Maximum Allowable Operating Pressure
40 bar
Ports
Full Port
Testing Standard
Bidirectional Zero Leakage
EN 12266 Rate A
Design Standard
EN 12569 | EN 593 | NE 167
Flange Drilling
EN 1092-1 PN 10, PN 16, PN 25, PN 40
Face to Face
EN 558 Series 1 | Series 27
Fugitive Emissions Standard
ISO 15848-1 | TA-Luft VDI 2440
Body Materials
Carbon Steel (EN 1.0619), Stainless Steel (EN 1.4408)
Ball Materials
Stainless Steel (EN 1.4408), Stainless Steel (EN 1.4404)
Stem Materials
Stainless Steel (EN 1.4462)
Seat Materials
PTFE/25% GFR, PTFE/50% VA, Virgin PTFE (FDA)
applications
Chemical gases, Chemical fluids, Petrochemicals, Food & Beverage, Pharmaceutical, Water and Wastewater treatment

Features & Benefits

Kugelhahn Müller flanged ball valves feature maintenance-free and durable adjustable live-loaded PTFE stem sealing or O-Ring sealing system with certified packing. This design has proven to ensure an extreme long service life and meets the highest quality requirements in the Chemical Industry worldwide.
  • A. Hand Lever

    Stainless steel lockable hand lever with a position indicator.

  • B. Body

    Robust two-piece body design suitable for heavy-duty applications in multiple industries. A wide range of flange connections are available.

  • C. Ball

    Floating full bore design made of polished stainless steel.

  • D. Seat

    Seat design ensures bidirectional zero-leakage sealing under all pressure and temperature conditions.

  • E. Stem

    Heavy-duty, blowout-proof stem with “Double D” connection according to ISO 5211 for mounting of various hand levers, adapters, actuators and stem extensions.

  • F. Body Seals

    Chambered body seal design to ensure outstanding sealing integrity.

  • G. Stem Packing

    Custom designed high integrity stem packing arrangement that combines a self-adjusting primary and secondary seal in order to ensure consistent torque and hightest possible tightness according to ISO 15848-1.

  • H. PTFE Packing

    The PTFE sealing system features a preloaded Belleville spring design with the benefit of optional re-adjustement.

  • I. O-Ring Packing

    The O-Ring sealing system features an O-Ring arrangement of at least three O-Rings.

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