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WESAN HP 225

Product catalog summary

Application
The WESAN WP H 225 bulk water meter is designed for extracting water from underground and stand hydrants.

Features

Calibratable and exchangeable measuring insert.
Suitable for horizontal or vertical installation.
Ensures long-term accuracy with hydraulic bearing relief.
Head unit with counter and sensors can rotate 350° for easy reading.
Encapsulated counter with glass/copper, rated IP 68.
Standard integrated measurement outputs.
Retrofit sensors for remote readout and flow measurement without affecting calibration.
Supports up to two digital outputs and one analogue output simultaneously.
Available in thread or solid coupling versions.

General Specifications

Medium temperature range: 0 to 30°C.
Temperature safety: 0 to 50°C.
Ambient operating/storage temperature: 0 to 55°C.
Nominal pressure: 16 bar.
Display range: 0.5 l to 999,999 m³.
Protection class: IP 68.

Technical Data

Nominal diameters: 50 mm and 80 mm.
Nominal flow rates: 15 m³/h and 40 m³/h.
Permissible continuous load: 35 m³/h and 120 m³/h.
Maximum flow rates: 90 m³/h and 200 m³/h.
Transition flow rate: 0.8 m³/h.
Minimum flow rates: Horizontal - 0.3 m³/h (50 mm), 0.5 m³/h (80 mm); Vertical - 0.5 m³/h.
Starting flow rates: 90 l/h (50 mm), 160 l/h (80 mm).
Flow rate at 0.1 bar pressure loss: 35 m³/h (50 mm), 115 m³/h (80 mm).

Pulse Outputs

Reed switch 570: Pulse values of 1 l/pulse and 1000 l/pulse.
Special pulse values: 25, 50, 250, 500 l/pulse.
IR pulse transmitter 573: 1 l/pulse.

Approval

Nominal diameters: 50 mm and 80 mm.
EC approvals: D 03 / 6.132.44 and D 06 / 6.132.49.
Metrological class: A/B•H B.

Dimensions

Overall lengths: 200 mm (50 mm), 300 mm (80 mm).
Overall lengths with coupling: 245 mm (50 mm), 336 mm (80 mm).
Connection threads: G2 (50 mm), G2½ (80 mm).
Solid coupling: C (50 mm), B (80 mm).
Height: 82 mm; Height H1: 140 mm.
Diameter: 110 mm.
Width with carrying device: 180 mm.
Weight: Thread version - 4.3 kg (50 mm), 5.7 kg (80 mm); Solid coupling version - 4.8 kg (50 mm), 6.4 kg (80 mm).

Special Versions

Available with B or C coupling.
Option for non-return valve.
Electronic counter module available.

Graphs
The document includes pressure loss and typical error graphs, which are essential for understanding the performance characteristics of the water meter.

Catalog excerpts

BULK WATER METER | WOLTMAN For extracting water from underground and stand hydrants. ► Calibratable and exchangeable measuring insert ► For horizontal or vertical installation ► Outstanding long-term accuracy through hydraulic bearing relief ► Complete head unit with counter and sensors can be rotated by 350° for easier reading ► Encapsulated counter of glass/copper IP 68 ► Integrated measurement outputs as standard ► Sensors for remote readout (digital) and flow measurement (analogue) can be retrofitted on site without affecting calibration ► Up to two different digital outputs and one analogue output simultaneously ► Version thread or solid coupling

Open the catalog to page 1

BULK WATER METER | WOLTMAN Medium temperature range °C Ambient operating temperature °C Ambient storage temperature °C Display range Protection class TECHNICAL DATA Nominal diameter Nominal flow rate (DIN ISO Permissible continuous load Maximum flow rate (short-term) Qmax m3/h Transition flow rate Q, m3/h Minimum flow rate horizontal Qmin m3/h Minimum flow rate vertical Qmin m3/h Starting flow rate |/h Flow rate at 0.1 bar pressure PULSE OUTPUTS Reed switch 570* - pulse value Reed switch 570* - pulse value Special pulse value l/pulse 25 / 50 / 250 / 500 IR pulse transmitter 573* l/pulse 1 * For...

Open the catalog to page 2

BULK WATER METER | WOLTMAN Overall length Overall length with coupling Connection thread on meter Solid coupling Width with carrying device Weight - version thread Weight - version solid coupling SPECIAL VERSIONS - With non-return valve - Electronic counter module PRESSURE LOSS GRAPH / TYPICAL ERROR GRAPH Pressure loss graph Typical error graph HYDROMETER GmbH • Postfach 1462 • 91505 Ansbach Subject to technical adjustments

Open the catalog to page 3

WESAN HP 225

WESAN HP 225

Catalog excerpts

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