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Leser - Model API Type 526 -Spring-Loaded Safety Valve
Spring-loaded safety valve to API 526. High-alloy material available within 4 weeks.
Longer service life thanks to hardened flap, Stellitée Siègee and armoured bellows. LESER Nanotightness exceeds API 527 sealing requirements by 50%.
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- also for operating temperatures< -165 °C
The optimal solution for:
- high pressures and temperatures
- corrosive environments
- Back pressures up to 50
- Opening start pressure (PDO)(according to CE): 0.12 - 400 bar | 2 - 5,802 psig
- Opening start pressure (PDO)(according to ASME): 0.12 - 414 bar | 2 - 6,000 psig
- Temperature(according to CE): -270 to 550 °C | -454 to 1.022 °F
- Temperature(according to ASME): -268 to 538 °C | -450 to 1.000 °F
- Capacity: orifice D to T
- Connections DIN EN 1092: DN 25 - DN 200
- ASME B16.5 fittings: NPS 1 to NPS 8
- Flange class Input DIN EN 1092: PN16 - PN400
- Flange class Entry ASME B16.5: Class 150 - Class 2500
- 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)
- Narrowest passage diameter d0: 14 - 161.5 mm | 0.55 - 6.36 in
- Narrowest passage surface A0: 154 - 20485 mm² | 0.239 - 31.75 in².
- Bellows material (optional): INCONEL® 625 LCF
- Seat gasket: Metal, Flat seal, Flexible sealing