ASCO EV 8551 explosion proof encapsulated coils are part of the hazardous area solenoid valve range suitable for use in ATEX Zone 1 and Zone 2 hazardous area applications.
ASCO EV 8551 explosion proof encapsulated coils are part of the hazardous area solenoid valve range suitable for use in ATEX Zone 1 and Zone 2 hazardous area applications.
The ASCO EV 8551 is a compact spool valve that is available in single and dual solenoid constructions.
The solenoid valve has a unique design that combines hard T-seals and flexible o-rings, provides bubble-tight shutoff, resistance to dirt and multimillion cycle life controlling air or inert gas.
EV 8551 is also available in low power and intrinsically safe construction.
The nominal ambient working temperature ranges for the ASCO EV 8551 hazardous area solenoid valve are Aluminum AC: 5˚F to 125˚F (-15˚C to 52˚C) DC: 5˚F to 104˚F (-15˚C to 40˚C), Brass AC: -40˚F to 125˚F (-40˚C to 52˚C) and Stainless Steel DC: -40˚F to 104˚F (-40˚C to 40˚C)
Contact our team for copy hazardous area certificates – for complete technical specification and certification refer to the ASCO EV 8551 download opposite.
ATEX II 2G Ex d mb IIC T
ATEX Gb II 2D Ex mb IIIC T Db IP67
IECEx Ex d mb IIC T
IECEx Gb Ex mb IIIC T Db
ASCO solenoid valves provide flow control in hazardous area industries including oil, gas, petrochem, mining, power and process industries to ATEX (European), IECEx (International), CSA (North America), UL (United States & Canada), NEPSI (China), INMETRO (Brazil) and TR CU (Russia) approvals.
| Category | Process Instrumentation |
|---|
| ASCO Valve Series | Type | Pipe Size (in) | Max. Cv (Kv) | CSA | UL FM | ATEX IECEx |
| ASCO EV 8551 | 3-Way/4-Way Valve | 1/4 | 86 (.75) | ✓ | ✓ | ✓ |
| Valve Parts In Contact With Fluid | |||
| Solenoid Valve Body | Brass | Stainless Steel | 316L Stainless Steel |
| End Cover (Spring end) | Glass-filled Polyamide | Brass | 316L Stainless Steel |
| Spool Valve Internals | Zamak, Stainless Steel, Acetal (POM), Aluminum | Brass, Acetal (POM), Delrin | |
| Pilot End Covers | Aluminum, Black Anodized | Brass | 316L Stainless Steel |
| Core Tube | Stainless Steel | ||
| Core and Plugnut | Stainless Steel | ||
| Springs | Stainless Steel | ||
| Seals and Discs | NBR | ||
| Top Disc | Nylon (PA) | ||
| Core Guide | Acetal | ||
| Seat and Seat Insert | Brass, Acetal | ||
| Shading Coil | Copper | ||
| Rider Ring (low power) | PTFE | ||
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ASCO Solenoid Valves (SIL3 NACE ATEX NAMUR Valves)ASCO 551-553 explosion proof solenoid valves are single/dual NAMUR style solenoid valves, which are pilot operated, have an stainless steel body and are 1/4 and 1/2 tapped.
ASCO Solenoid Valves (SIL3 NACE ATEX NAMUR Valves)ASCO 302 series are direct operated and pad mounted explosion proof solenoid valves which are ATEX certified for installation in potentially explosive atmospheres located in hazardous areas.
ASCO Solenoid Valves (SIL3 NACE ATEX NAMUR Valves)ASCO 551-553 explosion proof solenoid valves are single/dual solenoid valves, which are pilot operated, have an stainless steel body and are 1/4 and 1/2 tapped.
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