ST-DA SERIES
JP FLUID CONTROL
SOLENOID VALVES
2/2-WAY
DIRECT OPERATED
NORMALLY CLOSED
Solenoid Valve ST-DA-series
The ST-DA is a direct operated 2/2-way solenoid valve. The Series Standard (ST)
valve is normally closed. The solenoid valves have an
Function 2/2 way
orifice of 3 mm, operate from 0 bar and are suitable for
small flow rates. The body material can be brass, nylon or Operation Direct operated (D)
stainless steel with a NBR, EPDM or FKM seal. The ST-DA Position Normally closed (A)
solenoid valves are compatible with all coils from the CS1-
Body Brass (B) / Nylon 66 (N) / Stainless Steel 316 (S)
series.
NBR (N) -10..80°C (0..80°C Nylon 66)
Example of product code Seal &
EPDM (E) -30..130°C (0..80°C Nylon 66)
Media Temperature
FKM (F) -10..120°C (0..80°C Nylon 66)
Thread BSPP / NPT (N)
Ambient Temperature Max 50°C
Min. Press. Difference 0 bar
13 bar (Brass & Stainless Steel)
Max. Pressure
8 bar (Nylon 66)
Coil series CS1
380V AC 50Hz (380AC)
Dimensions
240V AC 50Hz (230AC)
120V AC 60Hz (120AC)
Voltage
24V AC 50Hz (024AC)
24V DC (024DC)
12V DC (012DC)
Response Time 30 ms / 30 ms (Open/Close)
Insulation Class Class F
Power 13 W / 17 VA
Duty Cycle 100% ED
Connector EN 175301-803 (formerly DIN 43650A)
Protection Class IP 65 (with cable plug)
2 2
Circuit Diagram
1 1
Pipe (P) Orifice (D) Kv (m3/h)
1/8" (018) 3 mm (030) 0.2
1/4" (014) 3 mm (030) 0.2
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ST-DA SERIES
JP FLUID CONTROL
SOLENOID VALVES
14
1. TECHNICAL SPECIFICATIONS
12
1.1. Principle of operation
10
Flow rate water (l/min)
A solenoid valve is a valve for neutral, clean liquids and gases, which is
electrically controlled with the aid of a solenoid. 2/2 way means that the
valve has two ports (input/output) and two positions (closed / open). The 8
valve is normally closed, this means that the valve is closed when de-
energized.
6
The solenoid consists of a coil and a movable plunger. The plunger is
ferromagnetic and at the bottom of the plunger is a sealing gasket. In the
valve is an orifice which is closed by the plunger. Once the solenoid is 4
activated with an electric current, the plunger is lifted up by the magnetic
field, whereby the orifice opens and the medium can flow through. A 2
small spring holds the plunger in closed position when the valve is not
energized. This working principle is called direct operation.
0
0.0 2.0 4.0 6.0 8.0 10.0 12.0
1.2. Area of application
dp (bar)
Body material
The ST-DA series is available with a brass, nylon or stainless steel body
material. Depending on the application, the right material should be
1.4. Duty cycle
selected.
The solenoid valve is suitable for continuous use. High switching
Body material Allowed media frequencies and high pressures can reduce the lifespan.
Brass (ASTM #37800) Neutral and non-corrosive media.
Nylon 66 Neutral media, salt water, 1.5. Compliance
demineralised water
Stainless Steel (SS316) Suitable for aggressive media and The coils are CE marked and comply with the LVD Directive (2006/95/EC)
corrosive media like seawater. and Directive (2004/108/EC), provided that the cables and connectors
are properly connected.
Diaphragm
The ST-DA series are available with several materials. Depending on the 1.6. Type label
application the correct diaphragm should be selected. In the following table
The coil properties are displayed on a label on the coil. A second label is
a concise overview is presented of compatible media.
provided with the valve that shows all relevant valve parameters. This
Diaphragm Temperature Allowed media Not allowed
label must be attached to the other side of the coil. In the figure below,
FKM -10°C.120°C Most fuels and Glycol-based an example is shown.
oils, cold water, brake fluids,
detergents, ammonia gas, hot
compressed air. water and steam,
low molecular
weight organic
acids (such as
acetic acid).
EPDM -30°C.130°C Water and Oils, fats, fuels,
steam, alcohol. solvents.
NBR -10°C.80°C Neutral media, Fuels, strong
like air, cold acids, brake fluid.
water, hydraulic
oil.
1.3. Flow chart
In the flow chart, the flow of water from 20°C is shown as a function of
the positive pressure difference across the valve. The flow rate is
expressed in liters per minute and the pressure in bar.
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ST-DA SERIES
JP FLUID CONTROL
SOLENOID VALVES
► The product may not function properly as a result of dirt,
COIL wear, damage (for example, by dropping) or improper use.
Therefore, the product should not be used in applications
where a malfunction can cause danger or damage.
► This product is not intended or approved for medical
applications, food and/or application in gas appliances.
JP FLUID CONTROL PRODUCTC ODE ► Solenoid valves can only be used with clean liquids or gases.
(Series & Volta g e ) It is recommended to install a filter before the solenoid valve.
CS1-230AC
230V~50Hz
VOLTAGE & FREQUENC Y
► Check the compatibility of the medium used, temperature
C E-MARK
IP-65 and other operating conditions with the materials and
PROTEC TION GRADE specifications of the product.
► Never exceed the limits for pressure, temperature or voltage
as indicated on the product and/or in the technical
VALVE documentation.
► The temperature of a solenoid valve coil can rise during
operation; this is normal. Overheating will cause smoke and a
burning smell. In this case, the power supply must
JP FLUID CONTROL immediately be disconnected.
ST-DA018B030N PRODUCTC ODE
► Warning: a valve opens and closes quickly. Improper use can
Normally Closed POSITION
Pipe: 1/8"
cause pressure transients (fluid hammer) in the pipes with
PIPE CONNECTION
Seal: NBR SEAL MATERIAL possible damage as a consequence.
Orifice: 3 mm ORIFICE ► It is not allowed to change the construction of the valve.
Pressure (AC /DC): ► Beware of electric shock when working with electrical
0 - (13 /13 ) bar MAXIMUM PRESSURE equipment.
1.7. Exploded view 3. INSTALLATION AND MAINTENANCE
In the figure below is an exploded drawing of the ST-DA series displayed.
1.1. Safety instructions before starting
# Brass (B) Nylon (P) Stainless
Steel (S) ► It is recommended to install the product in a dry
1 SS 302 SS 302 SS 302 environment. In moist environments, make sure that no
2 SS 302 SS 302 SS 302
moisture can penetrate the coil, actuator or connector. Install
the solenoid valve in a safe way to avoid electric shock,
3 PA PA PA
burning or other injuries. Ensure that the solenoid valve is
4 Epoxy Epoxy Epoxy installed in an area with adequate ventilation to facilitate
5 Top: 430F Top: Top: heat dissipation. Make sure the solenoid valve is not in
Rest: SS 304 430F 430F contact with or in the vicinity of flammable materials. Ensure
Rest: SS Rest: SS 304
that the product is protected from frost. Frost may damage
304
6 NBR/EPDM NBR/EPDM NBR/EPDM the product and/or block the moving parts, causing the
/FKM /FKM /FKM product to malfunction.
7 SS 302 SS 302 SS 302 ► Operations may only be performed when the system is not
8 430F 430F 430F pressurized, electrically disconnected and cooled down.
► Turn off the power supply before performing any work on the
9 Brass #37800 Nylon 66 SS 316
solenoid valve to prevent the risk of electrical shock and to
prevent activation of the solenoid valve.
► The product is only safe when properly installed and operated
by qualified persons. Please read the safety instructions and
technical documentation carefully before installation, use or
maintenance.
► Always make sure to start the installation safely after
installation or maintenance.
► Water hammer is a typical consequence of a high flow rate
and pressure in pipes with small diameters. There are several
solutions to this problem:
► Reduce the pressure with a pressure reducing
valve before the solenoid valve.
2. GENERAL SAFETY INSTRUCTIONS ► Increase the pipe diameter if possible.
► Dampen the water hammer by using a flexible
hose or buffer before the solenoid valve.
► This product is not a safety device and may not be used as
such.
► Damage caused by improper use, falling, improper operating 1.2. Installation
conditions or other reasons, may cause improper functioning
of the solenoid. Correct transport, proper storage and Clean fluids and gases
installation, and proper use and maintenance, are essential The solenoid valve can be used in combination with clean liquids or
for reliable and error-free operation. gases. Check if there is any dirt in the piping or valve before installing. It
► It is the responsibility of the user to select the right product is recommended to install a filter (500 µm) before the solenoid valve.
for the application.
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ST-DA SERIES
JP FLUID CONTROL
SOLENOID VALVES
Mounting the valve ► The coils can be rotated if the coil nut is loosened. After the
Be aware of the direction of flow of the medium when installing the determination of the correct position, the nut should be fastened
valve. Solenoid valves with an arrow on the housing must be connected with a torque of 5Nm.
in the indicated direction. The pipes on both sides of the valve must be
securely fastened. Use a wrench for both valve and pipe while tightening
to prevent unnecessary stresses in the system. The solenoid valve must
be fixed via the provided connection points. Only exert force at the
designated areas on the body such as the hexagon; never to the coil or
armature. Avoid vibration in the pipes. Use a suitable sealant for
threaded connections of the solenoid valve. Avoid the entry of thread
sealing material in the valve, this can lead to malfunctioning of the valve.
Position
It is recommended to install the solenoid in vertical position with the coil
facing upwards. This reduces the probability of the collection of debris in
the solenoid valve. When the solenoid valve is mounted at an angle, it is
recommended to deviate maximally 90° from the vertical position.
Installation of the cable plug
Maximum angle 90°. ► Always connect the ground (3), which is provided with a
residual current device at voltages above 50V. Never use
liquid or gas piping for grounding electrical equipment. The
power supply is connected to terminals (1) and (2). The
polarity does not matter
► Verify the voltage and frequency before connecting the coil.
► When mounting the connector, make sure that no moisture
OUT
IN
can ingress between the coil and connector. The connector
screws should be fastened with a torque of 0.5Nm.
Check the flow direction with the help of the indications on the
valve body.
Only exert force at the designated faces, never at the coil or
armature.
Installation of the coil
► Make sure the coil is labeled with the valve characteristics. The
device can be damaged by using unsuitable tools.
► The temperature of the coil increases during use, this is normal.
Overheating will cause smoke and a burning smell. In this case, the
power supply must be shut down immediately.
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ST-DA SERIES
JP FLUID CONTROL
SOLENOID VALVES
► Only connect power if you are sure that there is no pressure
in the system and no hazardous situations can occur.
3 1
2
1 2
3 4. SPARE PARTS
The wear parts of the solenoid valve can be replaced with a repair kit
(plunger, plunger spring, O-ring).
Product code Seal
ST-DA-N-REV NBR
ST-DA-E-REV EPDM
ST-DA-F-REV FKM
De product code of the coil is as follows:
Product code Voltage
CS1-380AC 380V AC 50Hz
CS1-230AC 230V AC 50Hz
CS1-120AC 120V AC 60Hz
CS1-024AC 24V AC 50Hz
CS1-024DC 24V DC
CS1-012DC 12V DC
5. DISPOSAL
Connector: EN 175301-803 (formerly DIN 43650A).
The removal of the product should be performed in accordance with the
The poles (1) and (2) should be connected to the power supply, polarity
is not important. Pole (3) is the ground. Connect the connector applicable laws. Keep in mind the media that are still present in the valve.
thoroughly to avoid ingress of moisture. Ensure that drops cannot slip
along the cable and enter the connector
Connecting the power supply
► Never connect power to the coil when it is not attached to the
solenoid valve! The coil may burn out.
This manual can be downloaded from www.jpfluidcontrol.com Modifications reserved © JP Fluid Control
This document has been prepared with great care. JP Fluid control assumes no responsibility for any errors that may appear in this document. No rights can be derived from this document
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