ASCO™ Series 390 Pressure-Operated Valves


The ASCO Series 390 are pressure-operated, remote-controlled valves with discs for industrial fluid media. An anti-water hammer design has fluid entry under the disc for quiet operation. The valves feature long service life in high-cycling applications. A wide range of piston-type operators (63 - 90 -125 mm diameters) are rotatable through 360° for maximum performance at different minimum pilot pressures. The 390 Series is suitable for automotive, bottling, commercial laundry equipment, and heating and cooling circuit applications.

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หมวดหมู่ : ASCO Valve Air-Operated Valves


The ASCO Series 290/390 is a pressure-operated, direct acting angle-body piston
valve built for a number of demanding applications. Its straight-through body design
is available in bronze or stainless steel. The valve is suitable for general service
applications (air, inert gas, water, oil and light slurries) plus steam, hot water and
auxiliary fluids within the food and beverage industry. Anti-water hammer design
and back-pressure resistance ensured extreme high reliability and long service life.
Wide range of option features available including proportional control,
a visual/electrical position indicator or a stroke limiter

Valve Actuation
Pressure Operated, Pneumatic - Air Pilot
Body Material
Air, Inert Gas, Hot Water, Light Oil, Water, Steam
Pipe / Port Size
1/2 "; 3/4 "; 1 "; 1 1/4 "; 1 1/2 "; 2 "; DN25; DN32; DN40; DN50; DN65; 12 mm; 10 mm
Port Type
3/2 Normally Closed, 3/2 Normally Open
From 5.19 to 12 Kv, Over 12 kv
Max Differential / Max Operating Pressure
10.3-34.5 Bar, Vacuum to 10.3 Bar
Standards / Regulations
IEC 61508, SIL, ATEX, ISO, IEC 60529 (Ingress protection), IP66
High flow capability
Back pressure resistant
Maintenance-free actuators
Satisfies Pressure Equipment Directive 2014/68/EU, category 1 (DN > 25) or article 4.3 (DN ≤ 25)

ASCO™ Series 390 Pressure-Operated Valves

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