VOLUMETIC
ROTARY PISTON WATER METER
Model B-Series [DN20-DN40]
Technical
Specifications
Dimension
and Weight
APPLICATIONS
Measuring
the volume of cold
water passing through
the pipeline.
AMR
ready with reed
switch (pulse output)
available.
Optimum
performance at any
position of installation
(horizontal and
vertical).
WORKING
CONDITIONS
Water
Temperature : 50°C
up to 70°C
Water
Pressure : 1.6
MPa
SELECTION
UNIT OF MEASUREMENT
Cubic
Meter (m3)
CONSTRUCTION
The
meter mainly consists
of an upper body
a lower body a chamber
a piston and a register.
WORKING
PRINCIPLE
The
working principle
is based on the
calibrated chamber
of unknown capacity
a rotary piston
activated by the
energy flow that
is passing through
the chamber.
The
piston rotates while
the chamber fills
up and empties with
a constant volume
of water. By counting
these cycles, the
register indicates
the total volume
that has been registered.
INSTALLATION
The
meter can be installed in
any position but the flow
direction must follow the
marking as stated on the body
in figure 1.
The
pipeline should be properly
cleansed before installing
the meter.
This
meter can only be used for
cold water and not for hot
water, or any other corrosive
chemicals.
Installation
of the meter is highly recommended
on a properly aligned pipe
stand.
The
meter should not be installed
under water.
FEATURES
Ensure
high sensitivity and accute
registration throughout a
wide flow range.
Low
starting flow rate.
Reguires
no calibration throughout
life span.
Engineered
Liquid-sealed register for
easy and long term clear reading.
Corrosion
resistant body.
Internal
strainer.
Can
be equipped with reed switch
option.
Available
in 4+4 and 5+3 type of counter
register.
COMPLIANCE WITH STANDARD
Technical
data conforms to the ISO 4064
and OIML R-49 standards.
ITEMS
INCLUDED
With
every water meter, there will
be pieces of coupling, two
pieces of gasket and two pieces
of meter spud threads protector.
Note:
To protect the meter threads,
store the meter with thread
protectors in place.
REED
SWITCH FEATURES
Description
The
special version DPM-20B /
25B / 40B Water Meter can
be equipped with a reed switch
assembly for connection to
remote reading systems without
breaking the meter seal.
The
reed switch pulser transmit
electric signal per a preset
water quantity.
Data
Output Options
Special
meter comes with the following
variations:
DPM-20B / 25B: 2 pulse for
1 liter.
DPM40B: 2 pulse for 10 liter.
Technical
Information
The
reed switch pulser consists
of a plastic housing with
a reed switch.
For
any inquiries or questions regarding the above product &
services, please contact us in the folllowing ways:
contact us
+603-7845
4997 or email us: info@deltaperdana.com.my
Address
:
No.
24, Jalan Utarid U5/14,
Seksyen U5, 40150 Shah Alam,
Selangor, Malaysia.