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Dual-Seal Bubble-Tight Reliability: Combines hard T-seals and flexible O-rings to deliver bubble-tight shutoff, superior dirt resistance, and multi-million cycle reliability when controlling air or inert gas.
Environmentally Protected Pipable Exhaust: Features threaded port connections with fully pipable exhaust ports, ensuring maximum protection against harsh surrounding environments.
Versatile Mounting & Manual Operator: Equipped with a standard manual operator for easy field testing and designed to be mountable in any position for flexible system integration.
Robust Construction & Solenoid Options: Available in anodized aluminum, brass, or stainless steel bodies with 1/4-inch NPT/BSP connections, supporting DIN, watertight, and explosionproof solenoids.
Product Images
Technical Specifications
Parameter
Value
Model
SC8551A017MS 24DC
Body Material
Aluminum
Flow (Cv) / Flow (Kv)
0.86 / 0.74
Function
4 way
Pipe/Port Type & Size
NPT 1/4
Media
Air, Inert Gas
Orifice Size
1/4 in
Min to Max Ambient Temperature
-15 - 60℃
Min to Max Fluid Temperature
-15 - 60℃
Company Profile
Ruifujie is an established supplier and international exporter of commercial refrigeration components, automation controls, and industrial equipment accessories with more than two decades of technical expertise. Our broad catalog encompasses scroll, rotary, reciprocating, semi-hermetic, and screw compressor units, alongside general service solenoid valves, electronic drivers, and cold room automation modules. Engineered to satisfy rigorous B2B quality standards, Ruifujie provides complete OEM and ODM customization services for overseas contractors, equipment builders, and regional distributors. Ruifujie products are exported across Europe, North America, the Middle East, and Southeast Asia, earning strong client trust for dependable product quality and direct factory value.
Packaging and Shipping
Frequently Asked Questions
Q1: What sealing mechanism allows the SC8551A017MS spool valve to achieve multi-million cycle reliability?
A1: It utilizes a unique seal design combining hard T-seals with flexible O-rings to deliver bubble-tight shutoff and exceptional resistance to dirt particle wear.
Q2: What industrial environments are best suited for ASCO 551 Series solenoid spool valves?
A2: They are specifically engineered for challenging ambient conditions found in chemical processing, refining, food & beverage processing, and life science applications.
Q3: Can the exhaust ports be piped away from contaminated operating areas?
A3: Yes, all exhaust ports on the 551 Series are fully pipable, providing enhanced ingress protection against harsh ambient conditions.
Q4: What standard warranty coverage is provided for Ruifujie fluid control components?
A4: All products across our entire catalog are backed by a standard 1-year comprehensive warranty.
Q5: What are the typical lead times for sample testing and bulk commercial orders?
A5: In-stock sample orders ship within 3 business days, while volume commercial orders are fulfilled within 10 to 15 working days.
Industrial Sourcing & Technical Proposal
Backed by over 20 years of technical manufacturing and supply chain expertise, Ruifujie provides high-performance pneumatic solenoid spool valves and fluid automation controls to global system integrators and engineering contractors. We deliver flexible order quantities, custom coil voltages, and direct manufacturer pricing. Please send us your project requirements—including media specs, port sizes, operating pressure ranges, and target order volume—and our technical team will issue a comprehensive proposal and quotation within 8 hours.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
2006
Total Annual:
44000000-60000000
Employee Number:
110~115
Ecer Certification：
Verified Supplier
Shenzhen Ruifujie Technology Co., Ltd is a leading supplier of high-quality compressors for a wide range of industries and applications. With over 14 years of experience in the industry, we have built a reputation for
providing exceptional products and services to our customers.
&nb... Shenzhen Ruifujie Technology Co., Ltd is a leading supplier of high-quality compressors for a wide range of industries and applications. With over 14 years of experience in the industry, we have built a reputation for
providing exceptional products and services to our customers.
&nb...
