G4 ball valves are EN331 DVGW certified, and are designed
and built to ensure the utmost safety of gas systems.
They have FIREBAG® thermally activated safety devices.
The range includes both threaded and flanged versions.
G4: Shut-off valve with thermal safety device
Ball valves for systems, certified in accordance with the EN 331 DVGW standard, with lever. FIREBAG® thermal
safety device (DIN 3586) built into the inlet with HTB resistance in the event of fire.
Straight versions, threaded (MOP5) or flanged (MOP16) connection.
Working temperature -20°C + 60°C.
MOP 5 / MOP16.
High-temperature resistance HTB 650° for 30’ (EN1775).
Working pressure: MOP 5 (5 bar)
Working temperature: -20 °C +60 °C
High temperature resistance: HTB 650 °C for 30’ (DIN EN331 C5)
Application: For all types of gas as specified in EN 437 and DWG G260/1 (Methane, Butane, Propane)
FIREBAG® trip temperature: 100°C – 5K
| Code | DN | TAE | D1 | L | L1 | L2 | H | M | SW1 | SW2 |
| G424010100 | 32 | • | Rp1”1/4 | 177 | 78 | 177 | 72 | 124 | 50 | 50 |
| G425010100 | 40 | • | Rp1”1/2 | 185 | 78 | 185 | 76 | 124 | 60 | 55 |
| G426010100 | 50 | • | Rp2” | 218 | 92 | 218 | 86 | 147 | 70 | 69 |
