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Woltman Type Bulk Water Meter

Heavy duty industrial flanged bulk water meter with magnetic drive dry dial register, removable measuring mechanism, and maximum hydrostatic test pressure up to 2.0 MPa.

ISO 4064 CLASS B DRY-DIAL MAGNETIC DRIVE TEST PRESSURE: 2.0 MPA

Woltman Industrial Flanged Water Meter

The KBN Woltman Type Bulk Water Meter is engineered for demanding industrial water intakes, municipal distribution mains, agricultural irrigation, and industrial cooling loops. It features a hydrodynamic helical turbine rotor that rotates around the horizontal axis of flow, offering minimal head loss and exceptional high-volume handling.

Its dry-dial magnetic drive register is hermetically sealed within a copper enclosure to eliminate fogging and moisture ingress. The removable measuring insert allows effortless recalibration and servicing without removing the cast iron body from the pipeline.

Nominal Sizes Available DN50 to DN500 (2" to 20")
Hydrostatic Test Pressure 2.0 MPa (Working: 1.6 MPa)
Water Temperature Limit Cold: 45°C / Hot: up to 90°C
Compliance Standard ISO 4064 Class B Flanged

Technical Specifications & Parameters

ISO 4064 Class B Certified
Parameter Technical Specification Value
Meter Type Woltman Horizontal Helical Turbine Bulk Water Meter (Removable Element)
Available Nominal Diameters DN50 (2"), DN65 (2.5"), DN80 (3"), DN100 (4"), DN125 (5"), DN150 (6"), DN200 (8"), DN250 (10"), DN300 (12") up to DN500 (20")
Accuracy Class ISO 4064 Class B (±2% in transitional to maximum flow zone, ±5% in minimum flow zone)
Register Drive Mechanism Magnetic transmission dry dial register with anti-magnetic tampering shield ring
Working Pressure Rating 1.6 MPa (16 Bar) continuous operating pressure
Maximum Test Pressure 2.0 MPa (20 Bar) hydrostatic shell test
Body Material Heavy-duty Cast Iron / Ductile Iron with internal and external epoxy powder coating
Flange Connections Standard DIN PN16 / ANSI 150# / BS 10 Table D/E flanged ends
Operating Water Temperature Cold Water: ≤ 45°C | Optional Hot Water Model: ≤ 90°C
Pulse Output Attachment Optional V/O reed switch pulse transmitter (1 pulse per 100L or 1000L) for AMR / Telemetry
Register Reading Display 7-digit roller totalizer (m³) with 3 pointer dials for fractional cubic meter resolution
Removable Mechanism Design

The entire rotor and counter capsule can be withdrawn for testing or servicing without cutting flanges or dismounting the meter body.

Anti-Magnetic Protection

Equipped with a thick magnetic shielding enclosure to prevent fraudulent interference from strong external neodymium magnets.

Pulse Output for AMR / IoT

Easily retrofitted with magnetic reed switch pulse sensors to link directly to KBN-401 cloud telemetry gateways.

Request Bulk Woltman Meter Price with Test Certificates

We maintain bulk inventory in Jalandhar for rapid delivery across municipal water projects, sugar mills, and factories.