ASCO SC8551A005MS 24VDC Pilot‑Operated Spool Solenoid Valve
Product Overview
The ASCO SC8551A005MS 24VDC belongs to the Emerson ASCO Numatics 551 series (type 8551) of compact solenoid spool valves. This 1/4‑inch, 3‑way normally‑closed solenoid valve features a pilot‑operated design and specifically targets air or inert gas control in process automation.This 24VDC coil variant suits valve actuation tasks in petrochemical, oil‑gas and process automation sites.
ASCO SC8551A005MS 24VDC model code disassembly
SC : Coil type with molded DIN connector, IP65 protection rating
8551 :Valve body series 8551 (also referred to as 551 series) – compact spool‑valve design
A : Body material and port type – aluminum body with NPT threads
005 : Spool function and flow coefficient (Cv value) specification
MS : Seal material (e.g., NBR) and manual operator type – knob‑type manual override
24VDC :Supply voltage – 24 Volts Direct Current
The SC8551A005MS part number serves as a complete technical reference card. Its coding granularity delivers accurate selection and prevents on‑site assembly mismatches.
ASCO SC8551A005MS 24VDC Solenoid Valve Core Specifications
| Specification Item | Technical Value |
| Model Number | SC8551A005MS |
| Coil Voltage | 24VDC |
| Valve Type | Pilot-Operated Spool Valve |
| Mounting Interface | NAMUR-Compatible |
| Port Size | 1/4″ NPT |
| Working Medium | Instrument Air, Inert Gas |
| Valve Function | 3/2 Normally Closed |
| Electrical Protection Class | IP65 |
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Xi ‘an Lilu Trading Co., Ltd. is a professional import and export focus on transmitter, flow meter, positioner instrument industry provider. We have a huge advantage in the following brand ROSEMOUNT, YOKOGAWA, HONEYWELL, SMC, IMI NORGREN, ABB, ENDRESS + HAUSER, FISHER, YTC, AZBIL, SIEMENS, SCHNEIDER and some European brands.
This ranks among our best‑selling ASCO solenoid valves. We welcome your inquiry and aim to build mutually beneficial trade partnerships with you.
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