Flanged
ALFA 20T 1500 lbs
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.
Available in different materials
- 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: 1500 lbs (255 bar)
- Temperature range: -40°C ≤ T ≤ +150°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
| DN | 06 | 10 | 15 | 20 | 25 | 32 | 40 | 50 |
| ø” | 1/4” | 3/8” | 1/2” | 3/4” | 1” | 1 1/4” | 1 1/2” | 2” |
| ø E | 10 | 10 | 14 | 19 | 24 | 29 | 38 | 48 |
| L (GAS/NPT) | 65 | 65 | 73 | 90 | 98 | 104 | 125 | 154 |
| L (B.W. / S.W.) | 140 | 140 | 140 | 152 | 165 | 178 | 190 | 216 |
| ø D | 41,5 | 41,5 | 49,5 | 57,5 | 69 | 73,5 | 89 | 104 |
| M | 145 | 145 | 150 | 150 | 180 | 180 | 275 | 275 |
| H | 53,5 | 53,5 | 78 | 82 | 88 | 92 | 102 | 110 |
| h | 40 | 40 | 50 | 52 | 63 | 66 | 78 | 85 |
| f/t | 8/5,7 | 8/5,7 | 10/6 | 10/6 | 12/8 | 12/8 | 16/10 | 16/10 |
| Kg. GAS-NPT/kg. S.W.-B.W | 0,7/1 | 0,7/1 | 1/1,1 | 1,5/1,9 | 2/2,8 | 2,7/3,7 | 4,7/5,6 | 7/8,2 |
STANDARD EXECUTIONS
ANTISTATIC DEVICE ACCORDING API6D - ATEX 2014/34/UE
2 spring loaded balls guarantees electrical continuity between all metallic components of the valve
ANTI BLOW-OUT STEM DESIGN
In case of overpressure inside the valve it avoid the stem expulsion and the breakage of the operating element
ISO 5211 TOP MOUNTING
Valve top flange is machined for actuator assembly according to ISO 5211ALFA 22EV ONLY






