Ningbo Fly Automation Co., Limited
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1. Product Name: 8551A410 EF8551A410MO ASCO 8551 series 1/4" Stainless Steel Pilot Operated High Flow Direct Mount RedHat II Spool Valve
2. Delivery
1. If the products we have in store, we will send it out ASAP after payment.
2. If the products which were customized, we will complete the production within a specified period of time, and send it out the first time, we can promise it.
3. We have a variety of ways to deliver goods, usually DHL, Fedex, TNL will be normal ways, If you require use of a courier, we can do it.
4. Also we can send by your delivery acount if you want.
3. Drawing
| Series | 8551 inch(mm) | 8553 inch(mm) |
| NPT | 1/4 | 1/2 |
| L1 | - | 7.09(180) |
| L2 | 7.44(189) | 8.85(225) |
| H2 | 4.38(111) | 4.77(121) |
| H1 | 1.57(40) | 2.08(53) |
| W | 1.77(45) | 2.87(73) |
4. Product show
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
9. Approvals
UL/CSA approvals for aluminum constructions pending. EF and EV are UL listed solenoids. CSA certified. Meet applicable CE directives.
SIL 3 capable per IEC 61508 on normally closed single solenoid. Third party certification provided by EXIDA. Refer to Engineering Section for details.
ATEX/IECEx certified with prefix “EV” as listed. Refer to Optional Features Electrical Section for details.
10. 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.
1. Product Name: 8551A410 EF8551A410MO ASCO 8551 series 1/4" Stainless Steel Pilot Operated High Flow Direct Mount RedHat II Spool Valve
2. Delivery
1. If the products we have in store, we will send it out ASAP after payment.
2. If the products which were customized, we will complete the production within a specified period of time, and send it out the first time, we can promise it.
3. We have a variety of ways to deliver goods, usually DHL, Fedex, TNL will be normal ways, If you require use of a courier, we can do it.
4. Also we can send by your delivery acount if you want.
3. Drawing
| Series | 8551 inch(mm) | 8553 inch(mm) |
| NPT | 1/4 | 1/2 |
| L1 | - | 7.09(180) |
| L2 | 7.44(189) | 8.85(225) |
| H2 | 4.38(111) | 4.77(121) |
| H1 | 1.57(40) | 2.08(53) |
| W | 1.77(45) | 2.87(73) |
4. Product show
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
9. Approvals
UL/CSA approvals for aluminum constructions pending. EF and EV are UL listed solenoids. CSA certified. Meet applicable CE directives.
SIL 3 capable per IEC 61508 on normally closed single solenoid. Third party certification provided by EXIDA. Refer to Engineering Section for details.
ATEX/IECEx certified with prefix “EV” as listed. Refer to Optional Features Electrical Section for details.
10. 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.
