Kromschröder VGBF 50F05 Gas Pressure Regulator DN50 500 mbar
- Brand: Krom Schroder
- Product Code: VGBF 50F05
Kromschröder VGBF 50F05 is a spring-loaded gas pressure regulator with DN50 (Flange DN50 PN 16) connection for a maximum inlet pressure of 500 mbar. It keeps the outlet pressure constant in burner and furnace gas trains regardless of inlet pressure fluctuations. Thanks to its safety diaphragm, no separate vent line is required.
Technical data
| Model | VGBF 50F05 |
|---|---|
| Nominal size | DN50 |
| Connection | Flange DN50 PN 16 |
| Max. inlet pressure | 500 mbar |
| Outlet pressure range | 5 – 350 mbar (depending on spring) · factory setting 20 mbar, 10–30 mbar spring |
| Accuracy class | AC 10 (EN 334) |
| Lock-up pressure class | SG 30 (5–50 mbar), SG 20 (>50 mbar) |
| Body | Aluminium, with safety diaphragm (no vent line required) |
| Length (L) / weight | 230 mm / 7.7 kg |
| Gases | Natural gas, town gas, LPG (gaseous), biogas, hydrogen |
| Ambient temperature | -20 … +60 °C |
| Standards | EN 88-1, EN 88-2, EN 334, (EU) 2016/426, Pressure Equipment Directive |
The spring is selected for the required outlet pressure: 5–12.5 · 10–30 (red) · 25–45 (yellow) · 40–60 (green) · 55–75 (blue) · 70–90 (black) · 85–105 (white) · 100–160 · 150–230 · 220–350 mbar. Viton and air versions are available on request.
Technical data is based on manufacturer documentation and is for information only; the exact order code for your application is defined at quotation stage.
For price, stock and lead time, use the Request a Quote button or call +90 533 945 27 94.
Tags: Kromschröder VGBF 50F05, VGBF 50F, gas pressure regulator DN50, gas regulator, burner regulator, Honeywell Kromschröder

