Kugelhahn Müller flanged ball valves are engineered to meet stringent Namur NE 167 requirements for industrial valves for the chemical and petrochemical industry where safety, durability, and long service life are paramount.
Available in various configurations and trims, Kugelhahn Müller flanged ball valves are ideal for use in a wide range of media, including acids, alkalis, corrosive chemicals, gases, hydrogen, and oxygen service, as well as, food and beverage (FDA-compliant), pharmaceuticals, water, and wastewater treatment industries where corrosion resistance and robust construction translate into long service life with minimal maintenance.
Manufactured under stringent quality standards, Kugelhahn Müller flanged ball valves feature a robust blowout-proof stem design with an adjustable live-loaded PTFE stem packing and an optional O-Ring sealing systems, designed to minimize fugitive emissions. This feature is particularly important in high-pressure applications, where enhanced safety is paramount.
Optional trims and configurations are available for a wide range of industrial flanged ball valve applications including exotic alloys, ISO 10497 fire-safe designs, antistatic capabilities to prevent static discharge, high-temperature capabilities, graphite seals, v-ball control valve trims and steam heat-jacketed versions. A comprehensive range of accessories is also available, enabling valve customization to meet bespoke customer requirements.
Kugelhahn Müller’s reputation for reliability, safety, ease of maintenance, and an industry-leading warranty ensures that our flanged ball valves are the perfect choice for demanding industries requiring long-lasting valve solutions.
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
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
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A. Hand Lever
Stainless steel lockable hand lever with a position indicator.
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B. Body
Robust two-piece body design suitable for heavy-duty applications in multiple industries. A wide range of flange connections are available.
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C. Ball
Floating full bore design made of polished stainless steel.
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D. Seat
Seat design ensures bidirectional zero-leakage sealing under all pressure and temperature conditions.
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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.
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F. Body Seals
Chambered body seal design to ensure outstanding sealing integrity.
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G. Stem Packing
Designed with high integrity stem packing arrangement that combines a self-adjusting primary and secondary seal in order to ensure consistent torque and highest possible tightness according to ISO 15848-1.
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H. PTFE Packing
The PTFE sealing system features a preloaded Belleville spring design with the benefit of optional readjustement.