Kobold DIG Series Manuale utente
Operating Instructions
for
Rotating-Vane Flow Indicator
Model: DIG
DIG
Page 2 DIG K02/1117
1. Contents
1.Contents........................................................................................................2
2.Note ..............................................................................................................3
3.Regulation Use..............................................................................................3
4.Operating Principles......................................................................................3
5.Instrument Inspection....................................................................................4
6.Mechanical Connection.................................................................................4
7.Technical Information....................................................................................5
8.Order Codes .................................................................................................6
9.Dimensions ...................................................................................................6
10.EU Declaration of Conformance....................................................................7
Manufactured and sold by:
Kobold Messring GmbH
Nordring 22-24
D-65719 Hofheim/Germany
Tel.: +49(0)6192-2990
Fax: +49(0)6192-23398
Internet: www.kobold.com
DIG
DIG K02/1117 Page 3
2. Note
Please read these operating instructions before unpacking and putting the unit
into operation. Follow the instructions precisely as described herein.
The devices are only to be used, maintained and serviced by persons familiar
with these operating instructions and in accordance with local regulations
applying to Health & Safety and prevention of accidents.
When used in machines, the measuring unit should be used only when the
machines fulfil the EC-machine guidelines.
as per “Pressure Equipment Directive 2014/68/EU”
In acc. with Article 4 Paragraph (3), "Sound Engineering Practice", of the
PED 2014/68/EU no CE mark.
Diagram 8, Piping, Group 1, Dangerous Fluids
3. Regulation Use
Any use of the Rotating-Vane Flow Indicator, model: DIG, which exceeds the
manufacturer’s specification, may invalidate its warranty. Therefore any resulting
damage is not the responsibility of the manufacturer. The user assumes all risk
for such usage.
4. Operating Principles
A plastic-rotating vane wheel rotates on an axle shaft in accordance with the flow.
The presence or absence of rotary motion indicates whether there is flow or not.
DIG
Page 4 DIG K02/1117
5. Instrument Inspection
Instruments are inspected before shipping and sent out in perfect condition.
Should damage to a device be visible, we recommend a thorough inspection of
the delivery packaging. In case of damage, please inform your parcel service /
forwarding agent immediately, since they are responsible for damages during
transit.
Scope of delivery:
The standard delivery includes:
Flow Indicator model: DIG
Operating instructions
6. Mechanical Connection
Before installation
Make sure that the actual throughput in the installation matches the scale
range of the device. The device capacity is indicated on the nameplate.
Caution! If the capacity of the device is exceeded by more than 20%, its
bearings will be damaged.
Make sure that the maximum operating pressure and temperature of the
device are not exceeded.
Remove all packing materials and transport retainers and ensure that no such
materials remain in the device.
These devices can be installed in any required position. The direction of flow
must always be in the direction indicated by the arrow. The front of the device
must always be vertical.
In cases where the flow is running from top to bottom, take particular care to
ensure that the device housing is completely filled with fluid. Additional inlet
and outlet pipe sections are not required.
DIG
DIG K02/1117 Page 5
Wrong! Right
The threaded connections must be sealed with Teflon tape or similar sealant.
During installation, avoid placing pressure and tension loads on the device. We
recommend that the inlet and outlet lines be mechanically secured at a
distance of approximately 50 mm from the connections.
If possible, immediately after completing the mechanical installation, check the
threaded connections between the device and piping for leaks.
Caution! Be sure to tighten the fittings at the device only with the correctly
sized open-end wrench.
7. Technical Information
DIG-11 DIG-14 DIG-18
Housing
Brass casting Stainless steel
(1.3955) Polypropylene
Cover: Polysulfone Polysulfone Polysulfone
Seal: NBR FPM NBR
Vane wheel: Polypropylene Polypropylene Polypropylene
Axle: Ceramic Ceramic Ceramic
pma
x
16 bar 16 bar 7 bar
tma
x
80 °C 80 °C 80 °C
DIG
Page 6 DIG K02/1117
8. Order Codes
Display Range Connection Connection
L/min water ∆P (bar)* DIG-1... DIG-14... DIG-18... Standard Special
0,5...12 1 DIG-1105 DIG-1405 DIG-1805
R06=G 1/8 IG N06=1/8 NPT
1...25 1 DIG-1110 DIG-1410 DIG-1810
R08=G 1/4 IG N08=1/4 NPT
2...45 1 DIG-1120 DIG-1420 DIG-1820
R15=G 1/2 IG N15=1/2 NPT
2...50 1 DIG-1130 DIG-1430 DIG-1830
R20=G 3/4 IG N20=3/4 NPT
3...80 1 DIG-1135 DIG-1435 DIG-1835
R25=G 1 IG N25=1 NPT
*at max.flow
9. Dimensions
80
65
50
G
25
65
SW 24
60
SW = wrench size (A/F)
100
69.5
50
G
25
65
SW 38
60
DIG
DIG K02/1117 Page 7
10. EU Declaration of Conformance
We, KOBOLD Messring GmbH, Hofheim-Ts, Germany, declare under our sole
responsibility that the product:
Rotating-Vane Flow Indicator Model: DIG-...
to which this declaration relates is in conformity with the standards noted below:
EN 50581:2012 Technical documentation for the assessment of electrical
and electronic products with respect to the restriction of hazardous substances
Also the following EC guidelines are fulfilled:
2011/65/EU RoHS (category 9)
Hofheim, 22. Nov. 2017
H. Peters M. Wenzel
General Manager Proxy Holder
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