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ALFA VALVOLEModel 20T 800 lbs -Screwed Body Ball Valve

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The ALFA 20T by Alfa Valvole is a robust, two-piece, screwed body type ball valve designed for industrial use, capable of withstanding pressures up to 800 lbs (138 bar). Offering compact and straightforward construction, it features either a full bore or a reduced bore, allowing for versatility in application across various industries and media. The valve is constructed from forged bar and its design adheres to ASME B16.34, EN 12516-1, and EN 17292 standards, ensuring durability and compliance. Available in different materials, it supports multiple end connections such as threaded (NPT ASME B1.20.1, GAS ISO 228/1), butt welded (BW Sch.80 ASME B16.25), and socket welded (SW ASME B16.11). The valve operates effectively within a temperature range of -40°C to 200°C and maintains zero leakage according to EN 12266-1 Grade A. Its innovative features include a maximum tightness stem O-ring for minimal fugitive emissions, an antistatic device in accordance with API6D and ATEX 2014/34/UE, an anti blow-out stem design, and fire safe gasket configurations certified under EN10497, API6FA, and API607. It is also equipped with ISO 5211 top mounting for actuator assembly.
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2 Pieces screwed type ball valve. Compact, simple and strong design. Body type: composed by two screwed parts with threaded or welded connections. The compact design make this valves useful for a wide range of application, industries and medium.

  • End connection threaded: NPT (ASME B1.20.1) - GAS (ISO 228/1)
  • End connection butt welded: BW Sch.80 (ASME B16.25)
  • End connection socket welded: SW (ASME B16.11)
  • Size range: 1/4” ≤ DN ≤ 2” / 06 ≤ DN ≤ 50
  • Pressure range: 800 lbs (138 bar)
  • Temperature range: -40°C ≤ T ≤ +200°C (standard execution)
  • Face to face: Manufacturer standard
  • Design according to: ASME B16.34, EN 12516-1, EN 17292, PED 2014/68/UE
  • Tightness class: Grade A (Zero Leakage) acc. EN 12266-1
  • Body: Forged bar