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You are here: Home » Products » Pneumatic valve » ASCO Solenoid valve » EFG551B401MO G551B401 ASCO 551 Series 1/4 Inch Aluminium pilot operated spool type Solenoid Valve
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EFG551B401MO G551B401 ASCO 551 Series 1/4 Inch Aluminium pilot operated spool type Solenoid Valve

1. Port size: 1/4 inch
2. Material: Aluminum

Quantity:
  • EFG551B401MO G551B401
  • ASCO

1. Product Name: EFG551B401MO G551B401 ASCO 551 Series 1/4 Inch Aluminium pilot operated spool type Solenoid 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

Drawing

prefix option plage
de
puis-sance
A B C D E weight
monostable 5/2 bistable - 5/3
SC BP 125 174 107.7 22.5 86.5 0.86 1.37


4. Product show

IMG_2712


5. FEATURES

• The monostable spool valves in conformity with IEC 61508 Standard (2010 

route 2H version) have TÜV (551 series) and EXIDA (551-553 series) certified 

with integrity levels: SIL 2 for HFT = 0 / SIL 3 for HFT = 1

• The spool valves have threaded port connections and "NAMUR" style interface

• The same spool valve can be adapted for 3/2 NC or 5/2 function for controlling 

double-acting and single-acting actuators

• All the exhaust ports of this spool valve are connectable, providing better 

environmental protection, particularly recommended for sensitive areas such as 

clean rooms, and applications in the pharmaceutical and food processing sectors

• The valve offers environmental protection against the ingress of liquids, dusts or 

any other foreign matter (environmentally-protected construction)

• Can be externally piloted (external air pilot supply) to convert valve to zero 

minimum operation by flipping a gasket

• The solenoid valves satisfy all relevant EU Directives


6. GENERAL

Differential pressure   2 - 10,4 bar [1 bar = 100 kPa]

Flow (Qv at 6 bar)      1/4 = 700 l/min (ANR)

                        1/2 = 3000 l/min

fluids                  air, inert gas, filtered

temperature range       - 25°C to + 60°C

seal materials          NBR (nitrile) + PUR (polyurethane)


7. MATERIALS IN CONTACT WITH FLUID

Ensure that the compatibility of the fluids in contact with the materials is verified

Body                                  Aluminium, black anodized

End cover (spring)              Glass-filled PA

Interface plates                  Glass-filled PA

Spool valve internal parts    Zamak, stainless steel, (POM), aluminium

Pilot internal parts              Refer to specific solenoid catalogue pages

Pilot end covers                  Aluminium

Core tube                           Stainless steel

Core and plugnut               Stainless steel

Core spring                         Stainless steel

Seals                                   NBR

Top disc                              PA

Disc holder                          POM

Cartridge (low power)          Welded, packless AISI 430

Seat                                     Brass

Seat insert                           POM

Shading coil                        Copper

Rider rings (low power)        PTFE (NF/WSNF solenoids only


CONTACT US

  Company:Ningbo Fly Automation Co., Limited
 Contacts:Airwolf
  Phone:+0086-18957877638
 Tel:0086-574-88871448
  Fax:0086-574-56655151  
 QQ/Wechat:625118373
 Skype:flypmc@hotmail.com 
 E-mail:airwolf@fly-pneumatic.com
 
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