Technical spec:
Woltman type, Inferential, Velocity Type, Magnetically Coupled water meters with completely removable and interchangeable mechanism, Conforming to
ISO 4064(1) Class ‘B’ Standards, Super Dry Dial with Straight Reading in KiloLitres.
Operations:
Woltman meter comprises a rotor with
helical blades inserted axially in the flow. Water flows
through the inlet of the body and enters the measuring
chamber and rotates the horizontal axis propeller. The
velocity and the number of performed turns of the
propeller is proportional to the volume of water passing
through the meter. A drive magnet transmits the motion
of the propeller to a driven magnet located in the sealed
dial register. The driven magnet is connected to a gear
train which translates the turbine rotation into a volume
displayed on the counters in a dry dial register. Special
shape of its inlet and outlet bearing is counteracting the
natural hydraulic thrust applied on the impellor and
preventing any downstream pivot wear. Thus meters are
able to withstand high flows without impacting low flow
accuracy.
Standards:
Conforms to ISO 4064(1), Class ‘B’ Standards.
Sizes:
50mm, 65mm, 80mm, 100mm, 150mm, 200mm, 250mm, 300mm, 350mm
Features:
- Removable and interchangeable measuring unit helps in easy installation and maintenance without recalibration.
- The bodies are produced with high quality GG25 grey cast iron and are coated inside and outside with a
potable water approved epoxy coating. This reliably protects the meter from corrosion and ensures that
the potable water remains safe.
- The hermetically sealed dial register is protected by a metal protective lid, prevents breakage and
readability issue even in the worst environmental conditions.
- Star wheel in the middle shows turbine movements at the lowest flows and can be used to detect leakage.
- Improved readability : dials can be rotated 360 for convenient meter reading.
- Its proven technology combines good quality metrology properties and great endurance.
- Magnetic transmission propeller rotation keeps the register completely separate from water, only the
propeller and transmission shaft gets in contact with water.
- Bodies equipped with flanges according to the standards DIN 2501 and ISO 7005 PN10/PN16 respectively.
- Inlet and outlet bearings are specially designed to withstand natural hydraulic thrust. It prolongs the life of
the moving parts and end result is long term accuracy of water meter.
- Optional Pulse output facility can be provided a 10 ltr, 100 ltr or 1000ltr/ pulse for advanced AMR
Application.
- Remote display units can be connected for reading from hard-to-read locations.
