ASCO 551, 552, 553 Series, 5 Way Pilot Operated Solenoid Valve Aluminium Body
ASCO 551, 552, 553 Series 5 Way Aluminium Body Pilot Operated Solenoid Valve
Pilot Operated, 5 Way Spool Type, Single/Dual Solenoid (Mono/Bistable Function) Aluminium Body ¼”, ⅜”, ½”
ASCO 551, 552, 553 Series pilot operated, spool type solenoid valves are available in many different configurations to suit a wide variety of applications and safety directives.
Please use the product specification sheet to select the correct ASCO solenoid valve part number or alternatively contact a T&D sales engineer.
ASCO 551, 552, 553 Series, 5 Way Pilot Operated Solenoid Valve Aluminium Body
| Differential Pressure | 2-10bar (1bar = 100kPa) |
|---|---|
| Flow (Qv at 6bar) | ¼” 860l/m 5/2; 760l/m (ANR) ⅜” 3000l/m ½” 3800l/m |
| Fluids | Air, Inert Gas, Filtered |
| Temperature Range | -25C / +60C |
| Seal Material | NBR (Nitrile) + PUR (Polyurethene) |
ASCO 551, 552, 553 Series Pilot Operated Solenoid Valve – Product Features
- The monostable spool valves have TÜV-EXIDA certified IEC 61508 Functional Safety data and can be used up to SIL 4 (551 TÜV)-SIL 3 (553/EXIDA)
- All the exhaust ports of this spool valve are connectable, providing better environmental protection, particularly recommended for sensitive areas such as clean rooms, and applications in the pharmaceutical and food processing sectors
- The valve offers environmental protection against the ingress of liquids, dusts or any other foreign matter (environmentally-protected construction)
- Can be externally piloted (external air pilot supply) to convert valve to zero minimum operation by flipping a gasket
- The solenoid valves satisfy all relevant EC Directives
Hazardous Area Pilot Operated Solenoid Valve Solutions – ASCO 551, 552, 553 Series.
Nema 7 & 9, ATEX/IECEx, Ex e mb, Ex mb, options are available with the ASCO 551, 552, 553 series solenoid valves.
Additional Options
Valves configured for external pilot air supply, TPL 20547
Other pipe threads are available on request
Ex mb/mD (prefi x "PV") solenoid can be supplied with various cable lengths
Compliance with "UL", "CSA" and other local approvals available on request
1/2" NPT (prefi x "T") and M20 x 1.5 (prefi x "ET") conduits (aluminium or 316 SS) available for steel solenoid housing
