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ASCO 551/553 Series Valve

ASCO 551/553 Series Pilot Operated Aluminum, Brass or Stainless Steel Body Spool Valve.  Available in 1/4" (551) and 1/2" (553) port sizes and in 3-Way or 4-Way configurations.  The unique design combines hard T-seals and flexible O-rings that provide bubble-tight shutoff, dirt resistance, and multi-million cycle reliability.  Ideal for use in harsh chemical environments, refineries, food/beverage applications and life science processing.

Variants currently available from our inventory:

SC8551A001MMS 120/50-60 | SC8551A001MMS 24VDC | WT8551A018MMS

If the variant you require is not available online, gives us a call at 905-335-5960 or email us at sales@macromotion.ca to place an order.

This product is currently out of stock and unavailable.

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Specifications

Features

Specifications

  • Port Sizes: 1/4″ (551 Series), 1/2″ (553 Series)
  • Body: Anodized Aluminum, Brass or Stainless Steel
  • Spring: Phosphate Treated Black Steel or Stainless Steel
  • Shading Coil: Copper
  • Seals: NBR & PUR
  • Core & Core Tube: Stainless Steel or Brass
  • End Covers: 6/6 Glass-filled PA/FG, Brass or Stainless Steel
  • Spool: Aluminum
  • Ambient Temperature:
    • Aluminum Body: AC: 5˚F to 125˚F (-15˚C to 52˚C) ; DC: 5˚F to 104˚F (-15˚C to 40˚C)
    • Brass and Stainless Steel Body: AC: -40˚F to 125˚F (-40˚C to 52˚C) ; DC: -40˚F to 104˚F (-40˚C to 40˚C)
  • Max Fluid Temperature: AC – 140˚F (60˚C) ; DC – 120˚F (48˚C)
  • Voltages:
    • AC: 24-60, 120-60/110-50, 240-60/220-50, 480-60
    • DC: 6, 12, 24, 120, 240

Features

  • Compact spool valve with threaded port connections.
  • All exhaust ports can be piped, providing better protection against harsh environments.
  • Standard manual operator.
  • DIN, Watertight and Explosionproof solenoids available.
  • Single and dual solenoid constructions.
  • Mountable in any position.
Does your industrial application suffer from chronic failures? We can help!

Does your industrial application suffer from chronic failures? We can help!

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