Datasheet

SOL Series
Industrial Solenoid Valves
The OL Series is a range of 2-way solenoid valves which are pilot-S
operated and are available in a choice of 110Vac, 230Vac or 24Vdc
coils to suit the required voltage.
Ideal for and commercialuse in a wide range of industrial
applications such as autoclaves, cooling plant and equipment,
watering plant, fire extinguishing systems, hygienic & sanitary
applications as well as water jet machinery and many other fluid
control uses.
Pilot operated
Full range of sizes from 3/8" to 2" (BSP)
For liquid or gas* use
24Vdc, 110Vac and 230Vac operations available
Brass body
2 port, normally open (NO) and normally closed (NC) versions
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Cynergy3 Components Ltd.
7 Cobham Road
Ferndown Industrial Estate
Wimborne, Dorset 21 7BH PE
SOL 2018
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General Features
The electro-pilot of the pilot-operated solenoid valves is not directly responsible for opening (closing) the solenoid valve. The solenoid valve
presents three sequential chambers :
- inlet chamber Ci (upstream of the diaphragm)
- compensating chamber Cc (downstream of the diaphragm and upstream of the electro-pilot)
- outlet chamber Cu(downstream of the electro-pilot).
In the 2/2-way normally closed (NC) solenoid valve, Ci & Cc are communicating by means of a compensating hole when the coil is de-
energised. Therefore, the diaphragm is in a condition of balanced pressure level and DN tightness is ensured by the retaining spring load from
the same diaphragm.
When the coil is energised by acting on the electro-pilot, there is and immediate communication between Cc and Cu; the sudden increase in
volume of the pressurised fluid over the diaphragm (Cc+Cu>Ci) causes a pressure drop.
The diaphragm is no longer in a condition of balanced pressure level and it swells up in the higher pressure direction thus raising up and
opening the DN to let the fluid flow.
Body material Forged brass Electrical insulation class I
Plunger Magnetic stainless steel Temperature class H
Gaskets NBR Protection Class (with connector) IP65
T
room
Maximum
80°C
Type of servi ce Continuous
T
fluid
Minimum
-20°C
Coil approval VDE
T
fluid
Maximum
90°C
Mechanical Characteristics Electrical Characteristics
* Group 2 gases.