ASCO™ 551 Solenoid Spool Valve
- Compact spool valve with threaded port connec- tions
- all exhaust ports are pi- pable, providing better protection against harsh environments
- standard manual operat- ed
- DIN, Watertight and explo- sionproof solenoids
The ASCO Series 551, also known as 8551, is a line of 1/4″ 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 ¼-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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