SCG551A001MS ASCO 551 Solenoid Spool Valve

Overview

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.

Specifications

Frequently Asked Questions (FAQ) – SC Automation Limited​​

​​1. Who is SC Automation Limited?​​

SC Automation Limited (SC) was established in 2010 with over ​​10+ years of industry experience​​ in automation instrumentation and industrial solutions.

​​2.  Where does SC mainly distribute its products?​​

Our products are primarily exported to:

· ​​   Africa:​​ South Africa

· ​​   Asia:​​ Southeast Asia, Middle East

· ​​   Europe:​​ Nordic countries

· ​​   Americas:​​ South America

· ​​   Oceania:​​ Australia, New Zealand

​​3.  What types of automation instruments does SC specialize in?​​

We focus on:

· ​​   Pressure Transmitters​​

· ​​   Flow Meters​​

· ​​   Ultrasonic Level Sensors​​

· ​​   Vibration Monitoring Systems​​

· ​​   Water Quality Analyzers​​

· ​​   Electric Actuators​​

· ​​   Solenoid Valves​​

· ​​   Sensors & More​​

​​4.  Which brands does SC supply?​​

We provide ​​genuine new products​​ from leading brands, including but not limited to:
✅ ​​Bently Nevada​​ | ✅ ​​Endress+Hauser (E+H)​​ | ✅ ​​Pepperl+Fuchs (P+F)​​
✅ ​​MTL​​ | ✅ ​​Allen-Bradley (AB)​​ | ✅ ​​Rosemount (Emerson)​​
✅ ​​Yokogawa​​ | ✅ ​​AUMA​​ | ✅ ​​IFM​​ | ✅ ​​SMC​​ | ✅ ​​Festo​​
Need a specific brand? We can source it for you!

​​5.  Are SC’s products 100% genuine and new?​​

​​Yes!​​ We only supply ​​original, brand-new​​ products with full manufacturer warranties.

​​6.  Do SC’s products come with a warranty?​​

✅ ​​1-year warranty​​ for all products (except consumables like electrodes).

​​7.  What delivery terms does SC accept?​​

·   ​​ EXW (Ex-Works)​​

· ​​   CIF (Cost, Insurance & Freight)​​

​​8.  What currencies are accepted for payment?​​

· ​​   USD​​ | ​​EUR​​ | ​​CNY (RMB)​​ | ​​HKD​​

​​9.  What payment methods does SC support?​​

·  ​​  T/T (Bank Transfer)​​

· ​​   Alipay​​ | ​​WeChat Pay​​

​​10.  How can customers contact SC?​​

· ​​   WhatsApp:​​ +86-13715021826

·    ​​WeChat:​​ +86-15012673027 / +86-15012630876

· ​​   Email:​​ joy@cc-scauto.com

​​11.  What are SC’s working hours?​​

​​24/7 support!​​ We respond promptly to inquiries at any time.

​​12.  What is SC’s company philosophy?​​

"Honesty in Relationships, Excellence in Work – Integrity First."

​​13.  What shipping methods does SC support?​​

· ​​   Express Couriers:​​ DHL, UPS, TNT, FedEx

· ​​   Special Routes:​​ Russia & Pakistan dedicated lines

· ​​   Customer’s Own Logistics:​​ Share your partner’s details, and we’ll arrange pickup.

​​14.  Where are goods delivered?​​

· ​​   Mainland China​​ or ​​Hong Kong​​ (brand-dependent).

​​15.  Does SC support pre-shipment inspection?​​

✅ ​​Yes!​​ If you cannot visit, a trusted third party can inspect on your behalf.

​​16.  What are SC’s payment terms?​​

· ​​   Full payment upfront​​ for orders delivered within ​​1 week​​.

· ​​   30% deposit​​ for orders with ​​longer lead times​​.

​​17.  Why choose SC Automation Limited?​​

✔ ​​100% genuine products​​ with reliable warranties
✔ ​​Fast quotations & technical support​​ (e.g., E+H product selection)
✔ ​​Year-round shipping​​ (excluding logistics holidays)
✔ ​​Hassle-free sourcing​​ – Your trusted one-stop automation supplier!

Need more details? Contact us anytime!​​
�� WhatsApp: ​​+86-13715021826​​  WeChat:15012673027 / 15012630876   | ✉ Email: ​​joy@cc-scauto.com​