Goetze 451 Series Safety Valves
Safety valves made of stainless steel, angle-type with threaded connections.
Suitable for
| Liquids | Neutral and non-neutral |
| Air, gases and vapors | Neutral and non-neutral |
| Steam |
Examples of Use
For the protection of:
- Pressure tanks and systems for neutral and non-neutral vapors, gases and liquids
- Steam boilers and steam plants
- Bulk transport vehicles for liquid, granular and dusty goods1
Within:
- Chemical plants
- Biogas plants
- Process equipment construction
- Medical technology (sterilizers, autoclaves)
- Secondary areas in the Food, Beverage, Pharmaceutical and Cosmetics industries
- Hydrogen applications
Please observe operation- and plant-specific regulations and use of appropriate valve version and sealing material.
Safety valves are set and sealed at the factory.
Available Nominal Diameters and Connection Sizes
| Nominal Diameter DN | 15 | 20 | 25 | 32 | ||
| Inlet | 1/2″ (15) | 3/4″ (20) | 1″ (25) | 1 1/4″ (32) | 1 1/2″ (40) | 2″ (50) |
| Outlet 1/2″ (15) | ■ | |||||
| Outlet 3/4″ (20) | ■ 2 | |||||
| Outlet 1″ (25) | ■ | |||||
| Outlet 1 1/4″ (32) | ■ | |||||
| Outlet 1 1/2″ (40) | ■ | |||||
| Outlet 2″ (50) | ■ | ■ | ■ | |||
- ASME not for gases in combination with liquids
- 20/20: from 20 bar upwards, only available as either “b” or “tb” version