LESER High Efficiency Supplementary Loading System

High Efficiency

Type 702, 712, 714, 731

Supplementary Loading System for safety valves

Approvals

LESER High Efficiency safety valves of Type 702, 712, 714, 731 are designed, marked, produced and approved according to the requirements of the following regulations:

  • LESER CE Approvel
  • LESER EAC Approvel

Technical specifications Type 702, 712, 714, 731

Operating Limits Valve Size
DN 25 - DN 400 | 1" - 16"
Operating Limits Pressure Class Inlet Flange
PN10 - PN400 | CL150 - CL2500
Bauart
Pneumatically, electropneumatically
Max. Betriebsdruck
315 bar
Anbau an Type
441 up to DN 400, 457 up to DN 150, 526 up to DN 200
Load Type
Additionally loaded (compressed air) 4 - 10 bar
Approvals
PED/ DIN EN ISO 4126-5, PED/ AD 2000-Merkblatt A2, EAC
Specials
External energy | Open: 1% opening pressure tolerance | Closed: 3% closing pressure tolerance | Application: Steam, gasses and liquids
Antriebsgröße
G1 - 3S
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