>> GB GasBloc >> GB-GD / GB-ND
GasBloc GB-GD / GB-ND D01 Dungs multifunctional gas control
- This GB GasBloc is a multifunctional gas control as per EN 126 for fully automatic operation, it combines a pressure regulator and safety shut-off valves.
- Pneumatic integrated system comprising air signal or zero pressure mode (GD-ND series).
- Offset corection of gas/air ratio at servo regulator for GB-GD series.
- Limit of maximum flow through restrictor.
- Input pressure up to maximum 65 mbar (6.5 kPa).
- Different variants according to application.
- Suitable for gases of gas families 1, 2, 3, as per EN 437 and other neutral combustion gases.
- Note: This series is no longer part of the Dungs main product line.
- Detailed pictures for available models (move the mouse over them to zoom):
GB Gasbloc type key
For the images that aren't clear move the mouse over them to zoom.
Sectional drawings GB-GD/ND
| GB-GD / GB-ND 055-057 D01 | |||||||
|---|---|---|---|---|---|---|---|
| 1 | Fine-meshed strainer | 7 | Solenoid V1 | 12 | Return spring | ||
| 2 | Housing | 8 | Valve V2 | 13 | Operating valve | ||
| 3 | Valve V1 | 9 | Main flow restrictor | 14 | Electrical connection | ||
| 4 | Closing spring | 10 | Solenoid V2 | 15 | Servo-pressure regulator | ||
| 5 | Plunger V1 | 11 | Working diaphragm | 16 | Connection for signal (only GB-GD) | ||
| 6 | Test nipple | ||||||
Technical specifications for GB-GD / GB-ND Dungs
| GasBloc type | Code | Rp/DN | pmax (mbar) | pmin signal (mbar) | Offset correction (mbar) |
|---|---|---|---|---|---|
| GB-GD 055 D01 | 240852 | 1/2 | 65 | 0.3 | ± 0.2 |
| GB-ND 055 D01 | 240853 | ||||
| GB-GD 057 D01 | 248523 | 3/4 | |||
| GB-ND 057 D01 | 248522 | ||||
| GB-ND 057 D01 XP | 249556 |
| GasBloc type | Code | Nominal flow air (m3/h) | Voltage (V) | Frequency (Hz) | Temperature*** (oC) |
|---|---|---|---|---|---|
| GB-GD 055 D01 | 240852 | 3.3* | 230 V AC | 50÷60 | -15÷75 |
| GB-ND 055 D01 | 240853 | 7.2** | |||
| GB-GD 057 D01 | 248523 | 5.3* | |||
| GB-ND 057 D01 | 248522 | 15.4** | |||
| GB-ND 057 D01 XP | 249556 |
* at Δp 5 mbar (0.5 kPa).
** at Δp 30 mbar (3 kPa).
*** In case of LPG don't use below freezing.
Dimensions Dungs GasBloc (mm)
Adjustment range offset and gas/air ratio
GB-GD - integrated gas/air system
GB-ND - zero pressure
Flow-diagrams GB-GD/ND
- Gas blocks type GB-GD-055-D01 / GB-ND-055-D01
- Gas blocks type GB-GD-057-D01 / GB-ND-057-D01
- For more drawings or details access the operation manual.
For the images that aren't clear move the mouse over them to zoom.
Prices
| Code | Type | Prices without VAT |
|---|---|---|
| 240852 | GasBloc GB-GD 055 D01 | 0.00 |
| 240853 | GasBloc GB-ND 055 D01 | 0.00 |
| 248523 | GasBloc GB-GD 057 D01 | 0.00 |
| 248522 | GasBloc GB-ND 057 D01 | 0.00 |
| 249556 | GasBloc GB-ND 057 D01 XP | 0.00 |
In case the price is missing or for a list of discounts contact
us directly to receive an offer.