Ningbo Fly Automation Co., Limited
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1. Product Name: 8551A421 NF8551A421 ASCO 8551 series Explosion Proof Pilot Operated Direct Mount Inline Spool Valve
2. After-sale service
We can provide a series of after-sale service, such as product introduction, mounting, debugging, technical support and so on.
3. Product show
4. Solenoid Enclosures
Standard: Watertight, Types 1, 2, 3, 3S, 4, and 4X.
Optional: Explosionproof and Watertight, Types 3, 3S, 4, 4X, 6, 6P, 7, and 9. (To order, add prefix “EF” or (“EV” for stainless steel) to catalog number.) See Optional Features Section for other available options.
5. Nominal Ambient Temp. Ranges
6. Electrical
7. Construction
8. Features
• Compact Spool Valve convertible from 3/2 to 5/2 with flow plates
• Mount directly to actuators with NAMUR interface per VDI/VDE 3845
• Single and dual solenoid constructions available
• Integral Breather Block vents to spring side of actuator to exhaust, preventing corrosion of the actuator
• Unique design combines hard T-seals and flexible o-rings, provides bubble-tight shutoff, resistance to dirt and multimillion cycle life controlling air or inert gas
• Low Power and Intrinsically Safe construction available See Special Service Pilot Valve Section for details
1. Product Name: 8551A421 NF8551A421 ASCO 8551 series Explosion Proof Pilot Operated Direct Mount Inline Spool Valve
2. After-sale service
We can provide a series of after-sale service, such as product introduction, mounting, debugging, technical support and so on.
3. Product show
4. Solenoid Enclosures
Standard: Watertight, Types 1, 2, 3, 3S, 4, and 4X.
Optional: Explosionproof and Watertight, Types 3, 3S, 4, 4X, 6, 6P, 7, and 9. (To order, add prefix “EF” or (“EV” for stainless steel) to catalog number.) See Optional Features Section for other available options.
5. Nominal Ambient Temp. Ranges
6. Electrical
7. Construction
8. Features
• Compact Spool Valve convertible from 3/2 to 5/2 with flow plates
• Mount directly to actuators with NAMUR interface per VDI/VDE 3845
• Single and dual solenoid constructions available
• Integral Breather Block vents to spring side of actuator to exhaust, preventing corrosion of the actuator
• Unique design combines hard T-seals and flexible o-rings, provides bubble-tight shutoff, resistance to dirt and multimillion cycle life controlling air or inert gas
• Low Power and Intrinsically Safe construction available See Special Service Pilot Valve Section for details
