ASCO Valve, Inc.
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ASCO - Model 553 -1/2 Inch Solenoid Spool Valve
FromASCO Valve, Inc.
The ASCO Series 553, also known as 8553, is a line of 1/2" 3-way and 4-way compact solenoid spool valves that are ideal for controlling air or inert gas in challenging environments. The valves ’ unique design combines hard T-seals and flexible O-rings that provide bubble-tight shutoff, dirt resistance, and multi-million cycle reliability. The 551 Series comes in anodized aluminum, brass, and stainless steel bodies with ½-inch NPT and BSP connections. It is suitable for the harsh conditions found in chemicals, refining, food & beverage applications and life science processing.
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- Available in two versions, mounted directly to actuators with NAMUR interface per VDI⁄VDE 3845 or threaded to mount on the pipe
- Valve body in Aluminum, Brass, or Stainless steel 316L
- Exhaust ports are pipeable, providing better protection against harsh environments
- DIN, watertight, and explosion-proof solenoids are available for use in mission-critical and hazardous areas
- Low-power constructions are ideal for remote and alternative power locations
- Integral breather block vents to spring side of the actuator to exhaust, preventing corrosion
- Single- and dual-solenoid constructions are available that mount in any position
- Compatible to Functional safety loop up to SIL 3
- All ports of NAMUR on the same side for a better water , DUST protection
- Available will all Explosion proof solenoids: Ex d, Ex mb, Ex ia/Ib, Ex e mb, NEMA
- Valve Actuation: Solenoid - Air Pilot
- Body Material: Stainless Steel, Aluminum, Brass
- Media: Air, Inert Gas
- Pipe / Port Size: 1/2 Port Type: G ISO228/1-G BSPP, NP
- Function: 3 way - 3/2 Normally Closed, 4 way - 5/2
- Flow: From 2.0 Cv to 6.0 Cv, From 1.73 to 5.19 Kv
- Voltage: 24 AC, 110 AC, 120 AC, 220 AC, 480 AC, 6 DC, 12 DC, 24 DC, 120 DC, 240 DC | 50, 60
- Max Differential / Max Operating Pressure: Vacuum to 150 PSIG
- Operating Environment: Corrosive, Hazardous, Indoor, Outdoor
- Standards / Regulations: ATEX Zone 1-21, ATEX Zone 2-22, Class I Div 1, Class II Div 1, IP65, SIL, Type 1, Type 2, Type 3,Type 3S, Type 4, Type 4X, Type 6, Type 6P, Type 7, Type 9, UL