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VALVES
pressure operated
bronze or stainless steel body
threaded ports, 3/8 to 2 1/2
FEATURES
• High flow due to angled seat design
• Anti-waterhammer design (fluid entry under the disc)
• Vacuum operation up to 10-2 mbar
• Wide range of piston-type operators (32 - 50- 63 - 90 -125 mm dia.) rotatable through 360°, for maximum performance at different minimum pilot pressures
• High performance, maintenance-free stuffing box
• The valves satisfy Pressure Equipment Directive 97/23/EC, category 1 (DN > 25) or article 3.3 (DN ≤ 25)
• The valves in conformity with IEC 61508 Standard (2010 route 2H version) certified with integrity levels: SIL 2 for HFT = 0
GENERAL
Differential pressure See «SPECIFICATIONS» [1 bar =100 kPa]
Maximum allowable pressure 16 bar
Ambient temperature range -10°C to +60°C
Maximum viscosity 600 cSt (mm2/s)
Pilot fluid Filtered air or water (1)
Max. pilot pressure 10 bar
Min. pilot pressure See below and following page
Pilot fluid temperature -10°C to +60°C
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