شیر اطمینان LESER مدل API 526

Are designed to meet all applications which require API.
• Open rapidly with an overpressure of max. 10 % to the
full design lift.
• Have a maximum blowdown of 7 % for steam/gas
service and 20% for liquid service.
• Are developed in a close cooperation with plant engineers
and service specialists.
• Serve for protection of processes and equipment.
• Are approved by all important approval organisations
worldwide which ensures the worldwide applicability e.g.:
• European Community: CE-marking acc. to Pressure
Equipment Directive (PED) 97 / 23 / EC and EN ISO 4126-1
• USA: UV-stamp acc. to ASME Section VIII Division 1,
National Board certified capacities
• Germany: VdTÜV approval acc. to PED, EN ISO 4126-1,
TÜV SV 100 and AD 2000-Merkblatt A2
• Canada: Canadian Registration Number acc. to the
requirements of particular provinces
• China: AQSIQ based on the approval acc. to ASME
Section VIII Division 1 and AD 2000-Merkblatt A2
• Eurasian Custom Union: Approval acc. to Eurasian Custom
Union (EAC - Eurasian Conformity)