Asco T398B237DVA0000 Pressure Operated Valve

Asco

Product Code: Asco T398B237DVA0000 Pressure Operated Valve
Brand: Asco



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Description for Asco T398B237DVA0000 Pressure Operated Valve

FEATURES • Ruggedly built valve, particularly recommended for use with steam, superheated water, corrosive fluids • High-performance, maintenance-free stuffing box, resistant to thermal shock • Mixer function (two pressure inlets at 1 or 3, one outlet at 2) or distributor function (one pressure inlet at 2, two outlets at 1 and 3) • Vacuum operation up to 10-2 mbar (PTFE and PEEK discs) • Optical position indicator as standard • Autoclavable valve for use at high ambient temperatures (up to 180°C) • The valves satisfy Pressure Equipment Directive 2014/64/EU • The valves in conformity with IEC 61508 Standard (2010 route 2H version) certified with integrity levels: SIL 2 for HFT = 0 GENERAL Differential pressure 0 to 40 bar [1 bar =100 kPa] Maximum allowable pressure 40 bar (within the specified limits, see diagram I) Maximum back pressure 40 bar / 20 bar for PEEK sealing Ambient temperature range -20°C to +180°C [Option: -55°C to +70°C] Maximum viscosity 5000 cSt (mm2 /s) Pilot fluid Air Max. pilot pressure 10 bar Min. pilot pressure See graphs below

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