Gas Butterfly Control Valve
- Gas butterfly control valve not linear
- Ring butterfly control valve not linear
- For all LAMTEC control drives
- Form-fitted, available on demand
- Gas family 1, 2 and 3
- Max. temperature: 60°C
- Operating pressure: dependingon the diameter, 1 bis 6 bar
- WARNING: The gas butterfly control valve is an inter-flange valve. It must not be used as a shut-off valve.
Tecnical Data
| Type | Gas butterfly control valve |
| Housing | Iron casting |
| Butterfly disk | Steel galvanized |
| Shaft | MS DIN 17660 |
| Seal of the shaft | NBR-O-Ring |
| Operating pressure | 6 bar |
| Differential pressure | DN25..DN50 ⇒ 4bar, DN65..DN100⇒ 2bar, DN125..DN200 ⇒ 1bar |
| Leakage rate without stop bar | 1% approx. of Kvs-value 90° |
| Quality inspection | EG type approval CE-0085AS0134 |
| Installation | For clamping between flanges according to DIN PN-16 |
| Kv-values | Please refer to Downloads / Technical data sheet |
purpose
Depending on situation and area of use, LAMTEC offer gas butterfly control valves in different sizes. Depending on acceptable head loss, various opportunities are available for controlling flow rates within aperture angles of up to 90°.
Selection Criteria
| Gas butterfly control valved (*complete with console, coupling, groove pin and mounted on actuator) | ||||
| Article-No.* | Size | Shaft (mm) | Fits to drive | Drive shaft (mm) |
| 662R2344V6 | DN25 | Ø 10 | 6Nm 662R2127 | Ø 10×25 |
| 662R2346V6 | DN32 | Ø 10 | 6Nm 662R2127 | Ø 10×25 |
| 662R2348V6 | DN40 | Ø 10 | 6Nm 662R2127 | Ø 10×25 |
| 662R2350V20 | DN50 | Ø 10 | 20Nm 662R2111/N | Ø 12×30 |
| 662R2352V20 | DN65 | Ø 10 | 20Nm 662R2111/N | Ø 12×30 |
| 662R2354V20 | DN80 | Ø 12 | 20Nm 662R2111/N | Ø 12×30 |
| 662R2356V30 | DN100 | Ø 12 | 31Nm 662R2112 | Ø 12×30 |
| 662R2358V30 | DN125 | Ø 12 | 31Nm 662R2112 | Ø 12×30 |
| 662R2360V40 | DN150 | Ø 15 | 40Nm 662R2121 | Ø 12×30 |
| 662R2362V40 | DN200 | Ø 15 | 40Nm 662R2121 | Ø 12×30 |
| ||||
| Article-No.* | Size | Shaft (mm) | Fits to drive | Drive shaft (mm) |
| 662R2360/ES | DN150 | Ø 15 | 30Nm 662R2112 | Ø 12×30 |
| 662R2362/ES | DN200 | Ø 15 | 40Nm 662R2121 | Ø 12×30 |
| 662R2368/ES | DN350 | Ø 25 | 50Nm 662R2122 | Ø 12×30 |
Depending on applications, the shown combinations (control valve/actuator) may differ. | ||||