LESER API 526 safety valve
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Products advantages |
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n Safety valves according to API 526 with standardized capacities and dimensions |
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n Diverse selection of high-alloy materials available as standard |
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n Longer lifetime due to hardened discs, partly stellited seats and integrated shielding of the optional bellows¡£ |
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n Single trim: Identical internal parts for S/G/L for cost-effective maintenance¡£ |
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n LESER Nanotightness: Exceeds the tightness requirements of API 527 by 50% |
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n Design fully in accordance with API 526 for easy interchangeability |
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n Special B3 design for high back pressure applications and material requirements far beyond API Standard. |
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n One design and spring (single trim) for steam, gas and liquid applications reduces the number of spare parts and ensures low cost maintenance management. |
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n Self-draining body design, avoids residues and reduces corrosion |
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Technical specifications |
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Nominal Diameter at Inlet |
DN 25 - DN 200 | 1" - 8" |
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Actual Orifice Diameter d₀ |
14 mm - 161.5 mm | 0.551 in - 6.36 in |
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Actual Orifice Area A₀ |
154 mm² - 20,485 mm² | 0.239 in² - 31.75 in² |
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Set Pressure |
0.12 bar - 413.7 bar | 2 psig - 6,000 psig |
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Temperature |
-268 °C bis 538 °C | -450 °F bis 1,000 °F |
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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) |
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Valve Connection |
Flange in accordance with ASME B 16.5 or DIN EN 1092 |
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Bellows Material (optional) |
INCONEL 625 |
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Load Type |
Spring-loaded |
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Approvals |
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Industries |
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