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DWR625

Description
Industrial Pressure Sensors FEMA
CategoryThe sensor   
File Size470KB,24 Pages
ManufacturerHoneywell
Websitehttp://www.ssec.honeywell.com/
Environmental Compliance
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Industrial Pressure Sensors FEMA

DWR625 Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerHoneywell
Product CategoryIndustrial Pressure Sensors
RoHSDetails
ProductPressure Switches
Operating Pressure0.5 bar to 6 bar
Pressure TypeDifferential
Accuracy< 1 %
Port SizeG 1/2, G 1/4
Operating Supply Voltage250 VAC
PackagingBulk
Pressure PortPort
Mounting StylePanel
Maximum Operating Temperature+ 70 C
Minimum Operating Temperature- 25 C
Operating Supply Current8 A
Factory Pack Quantity1
DWR
Pressure monitors
Especially suitable as a pressure monitor
or pressure limiter for fuel gases (DVGW
Worksheet G 260) and liquid fuels (e.g. fuel oil),
as well as for steam systems according to TRD
604 and hot-water systems to DIN EN12828,
systems in accordance to DIN EN12952-11
SIL 2 according IEC 61508-2
DWR625
Technical data
Pressure connection
External thread G 1/2 (pressure gauge
connection) to DIN 16 288 and internal thread
G 1/4 to ISO 228 Part 1 (for gas applications
internal thread permissible only up to 4 bar).
Switching device
Rugged housing (200) made of seawater-
resistant diecast aluminium.
Materials
Pressure bellows: Material no. 1.4571
Sensor housing: Material no. 1.4104 Switch
housing: GD AI Si 12 (DIN 1725)
Mounting position
Vertically upright and horizontal.
Ambient temperature at switching device
–25 to +70°C,
Medium temperature –25 to +70°C. The
maximum medium temperature at the pressure
sensor must not exceed the permitted ambient
temperature at the switching device.
Temperatures may reach 85°C for short periods.
Higher medium temperatures are possible
provided the above limit values for the switching
device are ensured by suitable measures
(e.g. siphon).
Mounting
Directly on the pressure line (pressure gauge
connection) or on a flat surface with two 4 mm
Ø screws.
Calibration
The DWR series is calibrated for rising pressure.
This means that the adjustable switching pressure
on the scale corresponds to the switching point at
rising pressure. The reset point is lower by the
amount of the switching differential. (See also
page 27, 2. Calibration at upper switching point).
In version ...-203 the switching differential is
adjustable. The basic calibration is maintained.
Bursting pressure
For all types
100 bar, verified by TÜV test.
Switching differential
For values see Product
Summary.
Contact arrangement
Single pole changeover
switch.
Switching
capacity
Normal
250 VAC 250 VDC 24 VDC
(ohm) (ind) (ohm) (ohm)
8A 5A
0.3 A
8A
Component tested for
Function
Direction of action
Sensor
Steam
Systems according to TRBS
Hot water
Systems according to DIN EN12828
Fuel gases
DVGW Worksheet G 260
Pressure tank
DIN EN764-7
Pressure monitor or pressure limiter
(with external interlock)
For maximum and minimum pressure monitoring
(DWFS, SDBFS)
"of special construction"
by testing with 2 million cycles.
Product Summary
Type
Setting range
Switching
differential
(mean values)
Maximum
working
pressure
Dimen-
sioned
drawing
p. 25 + 26
1 + 15
1 + 18
63 bar
1 + 16
63 bar
1 + 16
Protection class
IP 54 according to
DIN 40 050
-DWR
see page 69
s
tested
DVGW
TÜV
Protection Class:
IP 54
Accessories
Solenoid valves
Switching differential adjustable
DWR06–203
0.1…0.6 bar
0.08…0.5
DWR1–203
0.2…1.6 bar
0.15…0.6
DWR3–203
0.2…2.5 bar
0.17…1.2
DWR6–203
0.5…6 bar
0.3…1.4
DWR625–203
0.5…6 bar
0.4…2.5
DWR16–203
3…16 bar
0.75…3.15
DWR25–203
4…25 bar
1.3…6.0
DWR40–203
8…40 bar
2.3…6.6
bar
bar
bar
bar
bar
bar
bar
bar
6 bar
16 bar
25 bar
1 + 15
1 + 18
1 + 17
Flow monitors
Pressure monitors without differential adjustment
DWR06
0.1…0.6 bar
0.04 bar
DWR1
0.2…1.6 bar
0.06 bar
DWR3
0.2…2.5 bar
0.1 bar
DWR6
0.5…6 bar
0.2 bar
DWR625
0.5…6 bar
0.25 bar
DWR16
3…16 bar
0.5 bar
DWR25
4…25 bar
1.0 bar
DWR40
8…40 bar
1.3 bar
6 bar
16 bar
25 bar
1 + 17
Temperature sensors
Thermostats
Pressure transmitters
and DIN EN12953-9. The DWR is used to
monitor maximum and minimum pressures.
This pressure switch is "of special construction"
and has been tested with 2 million operating
cycles. TÜV and DVGW tests exists.
Pressure switches
Mechanical pressure switches
Tested to PE Directive 97/23/EC
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