Safety valves according to API 526 with standardized capacities and dimensions
Technical specifications
| Technical specifications API | |
| Nominal Diameter at Inlet | DN 25 - DN 200 | 1" - 8" |
| Actual Orifice Diameter d₀ | 14 mm - 161.5 mm | 0.551 in - 6.36 in |
| Actual Orifice Area A₀ | 154 mm² - 20,485 mm² | 0.239 in² - 31.75 in² |
| Pressure | 0.12 bar - 413.7 bar | 2 psig - 6,000 psig |
| Temperature (in accordance with DIN EN) | -268 °C bis 538 °C | -450 °F bis 1,000 °F |
| Body Material | 1.0619, 1.4408, 1.7357 | SA 216 WCB, SA 351 CF8M, SA 217 WC6, SA 352 LCB, SA 351 CF3M, SA 995 Gr 4A CD3MN (Duplex), SA 494 M35-1 (Monel), SA 494 CX2MW (Hastelloy) |
| Valve Connection | Flange in accordance with ASME B 16.5 or DIN EN 1092 |
| Bellows Material (optional) | INCONEL 625 |
| Load Type | Spring-loaded |
Benefits
- Compliance with API 526
- Diverse selection of high-alloy materials available as standard
- Longer lifetime due to hardened discs, partly stellited seats and integrated shielding of the optional bellows
- Single trim: Identical internal parts for S/G/L for cost-effective maintenance
- LESER Nanotightness: Exceeds the tightness requirements of API 527 by 50%
Applications
- Chemical
- Oil & Gas
- Petrochemical
- Technical Gases
- General industries
- Sugar Ethanol
Engineering services
- VALVESTAR® - Sizing of your LESER Safety Valves
- VALVESTAR® is the LESER-developed program for sizing safety valves. It takes into account all leading global standards and codes. In addition to calculation and sizing, the program also offers variable, individually-arranged reports for technical documentation and archiving.
- Сonvenient service for the selection of spare parts