Flanged ball valves featuring PTFE packing for long service life and safety
Kugelhahn Müller flanged ball valves are engineered to meet Namur NE 167 requirements for chemical and petrochemical industries, ensuring safety, durability, and long service life.
Available in multiple configurations and trims, these valves are suitable for acids, alkalis, corrosive chemicals, gases, hydrogen, oxygen, and FDA-compliant food and beverage, as well as pharmaceutical, water, and wastewater applications where corrosion resistance and minimal maintenance are essential.
Built under strict quality standards, they feature a blowout-proof stem, adjustable live-loaded PTFE packing, and optional O-ring seals to minimize fugitive emissions, ensuring enhanced safety in high-pressure use.
Optional designs include exotic alloys, ISO 10497 fire-safe, antistatic, high-temperature, graphite-sealed, V-ball control, and steam-jacketed versions. A wide range of accessories supports full customization.
Renowned for reliability, safety, and easy maintenance, Kugelhahn Müller flanged ball valves offer long-lasting performance backed by an industry-leading warranty.
Specification / Detail
| Size Range | DN 15 to 200 |
| Temperature Range | -60°C to 200°C |
| Maximum Allowable Operating Pressure | 40 bar |
| Ports | Full Port |
| 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) |
| Testing Standard | Bidirectional Zero Leakage EN 12266 Rate A |
| Design Standard | EN 12569 | EN 593 | NE 167 |
| Applications | Chemical gases, Chemical fluids, Petrochemicals, Food & Beverage, Pharmaceutical, Water and Wastewater treatment |