ASCO 551 Series Solenoid Spool Valves (8551 Series)
ASCO Series 551 is also known as 8551.
Description
ASCO 551 Series 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 ASCO 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.
ASCO 551 Series Specifications
Valve Actuation: Solenoid – Air Pilot
Body Material: Brass, Stainless Steel, Aluminum
Media: Air, Inert Gas
Pipe / Port Size: 1/4 ”
Port Type: G ISO228/1-G BSPP, NPTF
Function: 3 way – 3/2 Normally Closed, 4 way – 5/2, 4 way – 5/3 – Closed Center, 4 way – 5/3 – Open Center
Flow: From 0.5 Cv to 1.0 Cv, From .43 to .86 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, SIL, Type 1, Type 2, Type 3, Type 3S, Type 4, Type 4X, Type 6, Type 6P, Type 7, Type 9
Temperature: -60°C to 80°C