Van an toàn mặt bích API
API flanged Safety Relief Valves
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Pressure relief valves according to API 526 with standardized capacities and dimensions
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- 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%
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Industries
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Approvals
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Chemical
Oil & Gas
Petrochemical
Technical Gases
General industries
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LESER API safety valves are designed, marked, produced and approved according to the requirements of the following regulations:
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Valve Types
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Type 526
Fulfillment of API 526
DN 25 - DN 200 (1" - 8")
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Technical specifications API
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Nominal Diameter at Inlet
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DN 25 - DN 200 | 1" - 8"
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Actual Orifice Diameter d₀
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14 mm - 161.5 mm | 0.551 in - 6.36 in
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Actual Orifice Area A₀
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154 mm² - 20,485 mm² | 0.239 in² - 31.75 in²
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Pressure
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0.12 bar - 413.7 bar | 2 psig - 6,000 psig
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Temperature (in accordance with DIN EN)
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-268 °C bis 538 °C | -450 °F bis 1,000 °F
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Body Material
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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)
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Valve Connection
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Flange in accordance with ASME B 16.5 or DIN EN 1092
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Bellows Material (optional)
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INCONEL 625
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Load Type
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Spring-loaded
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