Asco 8551 Series EF8551A001MS Spool Valve, 1/4 in Nominal, NPT Connection, 4-Port/Way, Aluminum Body

Pneumatic Control Valves
436736 MFG #: EF8551A001MS
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Asco 8551 Series EF8551A001MS Spool Valve, 1/4 in Nominal, NPT Connection, 4-Port/Way, Aluminum Body
  • Additional Information: 0.86 Cv Flow Factor
  • Body Material: Aluminum
  • Color: Black
  • Connection Type: NPT
  • Dimensions: 7.56 in L x 1.77 in W
  • Frequency Rating: 60
  • Manufacturer: Asco
  • Media: Air
  • Nominal Size: 1/4
  • Number Of Ports/Ways: 4
  • Orifice Size: 1/4
  • Power Rating: 6.3
  • Seal Material: NBR/PUR
  • Series: 8551 Series
  • Temperature Rating: 5 to 104
  • Voltage Rating: 120

The Asco Series 551 is a line of 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 shut-off, dirt resistance and multi-million cycle reliability. The 551 Series comes in anodized aluminum, brass and stainless steel bodies with 1/4 in NPT and BSP connections. It is suitable for the harsh conditions found in chemicals, refining, food and beverage applications and life science processing.

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  • Features
  • Valve body in aluminum, brass or stainless steel 316L
  • Exhaust ports are pipe able, providing better protection against harsh environments
  • DIN, water-tight and explosion-proof solenoids 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
  • All ports of NAMUR on the same side for a better water, dust protection
  • Available in an arctic version, suitable for use in temperatures as low as -60 deg C
  • Compact spool valve convertible from 3/2 to 5/2 with a single flow plate design
  • STANDARD_APPROVALS: ATEX II 1 G Ex ia IIC T6 Ga|CE Marked|CSA Certified|FM/CSA Class I, Div. 1|IECEx Ex ia IIC T6 Ga|NIFW Class I, Div 2|UL Listed