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ASCO Series 551, 552, 553 Spool Valves, Aluminium, Single / Dual Solenoid

Solenoid Air Pilot Operated - Spring Return (Monostable) ASCO

Solenoid air pilot operated valves can be classified into two types: Spring Return (Monostable) and Spring Return (Bistable).

Spring Return (Monostable) solenoid air pilot operated valves have a single stable position and are held in place by a solenoid. When the solenoid is de-energized, a spring returns the valve to its default position. This type of valve is often used in applications where the valve needs to return to a specific position in the event of power failure.

Spring Return (Bistable) solenoid air pilot operated valves, on the other hand, have two stable positions and do not require a solenoid to hold the valve in place. When the solenoid is energized, it shifts the valve from one stable position to the other. When the solenoid is de-energized, the valve remains in its new position, until the solenoid is energized again. This type of valve is often used in applications where a specific valve position needs to be maintained even in the absence of power.

In summary, the main difference between Spring Return (Monostable) and Spring Return (Bistable) solenoid air pilot operated valves is the number of stable positions they have and the way in which they maintain their position in the absence of power.


Showing 1–30 of 360 results

Manufacturer
ASCO
Port Connection
G1/2
G1/4
G3/8
Working Pressure Max
8.5 Bar
10 Bar
40 Bar
Working Pressure Min
0 Bar
0.7 Bar
2 Bar
ASCO CFSCIS8551C505 – G1/4, 3/2 Solenoid, CNOMO Size 15, Air Piloted, Spring Return Valve (Monostable)
Part Number:
CFSCIS8551C505
Price:
£260.39
PDF:
ASCO CFSCISG551C505 – G1/4, 3/2 Solenoid, CNOMO Size 15, Air Piloted, Spring Return Valve (Monostable)
Part Number:
CFSCISG551C505
Price:
£284.26
PDF:
ASCO CFSCISG553A505 – G1/2, 3/2 Solenoid, CNOMO Size 15, Air Piloted, Spring Return Valve (Monostable)
Part Number:
CFSCISG553A505
Price:
£453.64
PDF:
ASCO CFSCZN8551C505 – G1/4, 3/2 Solenoid, CNOMO Size 15, Air Piloted, Spring Return Valve (Monostable)
Part Number:
CFSCZN8551C505
Price:
£175.45
PDF:
ASCO CFSCZNG551C505 – G1/4, 3/2 Solenoid, CNOMO Size 15, Air Piloted, Spring Return Valve (Monostable)
Part Number:
CFSCZNG551C505
Price:
£161.42
PDF: