Horizontal Woltman Helix Water Meter

Introduction

The Woltman helix water meter, designed for horizontal installation, is a leading choice in turbine water metering devices. It features a helical-shaped impeller parallel to or coinciding with the water pipeline axis. This design ensures precision and ease in water flow measurement.

Applications

With its user-friendly detachable design, Wolfman helix water meters are an excellent fit for residential water consumption analysis, commercial water use statistics, industrial flow measurement, and even in agricultural irrigation systems. Its easy maintenance feature adds to its widespread utility.

Working Conditions

Efficient performance with low pressure loss.
Suitable for cold water (up to 50°C) and hot water (up to 90°C), except for wet and liquid-sealed meter types.
Water pressure ≤1MPa or 1.6MPa.

Features

The indicator mechanism utilizes magnetic transmission to safeguard against magnetic interference
Features a dry dial with vacuum sealing, ensuring fog-free and clear readings over time
Removable structure simplifies maintenance and repair without needing to detach the meter housing from the pipeline
Built with selected high quality materials for consistent and reliable operation
Customization available with an optional remote pulse output, catering to specific user needs

Dimension

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Model	Length L	Height H	External diameter of flange D1	Bolt circle diameter D2	Connection bolt n-M
Model	mm	mm	mm	mm	mm
WDHW-40	200	208	150	110	4-M16
WDHW-50	200	215	165	125	4-M16
WDHW-65	200	215	185	145	4-M16
WDHW-80	225	279	200	160	8-M16
WDHW-100	250	289	220	180	8-M16
WDHW-125	250	299	250	210	8-M16
WDHW-150	300	319	285	240	8-M20
WDHW-150D	300	360	285	240	8-M20
WDHW-200	350	346	340	295	8-M20
WDHW-20OD	350	385	340	295	12-M20(MAP16)
WDHW-250D	450	430	395	350	12-M20
WDHW-250D	450	450	405	355	12-M24(MAP16)
WDHW-30OD	500	480	445	400	12-M20
WDHW-30OD	500	478	460	410	2-M24(MAP16)

Technical Specification

Nominal Diameter	Q3/Q1	Overload Flowrate Q4	Permanent Flowrate Q3	Q2/Q1	Transitional Flowrate Q2	Minimal Flowrate Q1	Resolution of reading		Maximum reading
Nominal Diameter		Overload Flowrate Q4	Permanent Flowrate Q3		Transitional Flowrate Q2	Minimal Flowrate Q1	P type	M type	P type	M type
mm		m³/h	m³/h		m³/h		m³
40	50	31.3	25	1.6	0.8	0.5	0.0005	0.0002	999999	999999
	50	31.3	25	4	2	0.5
	80	31.3	25	1.6	0.5	0.32
	80	31.3	25	4	1.28	0.32
50	50	31.3	25	1.6	0.8	0.5
	50	31.3	25	4	2	0.5
	80	31.3	25	1.6	0.5	0.32
	80	31.3	25	4	1.28	0.32
65	50	50	40	1.6	1.28	0.8
	50	50	40	4	3.2	0.8
	80	50	40	1.6	0.8	0.5
	80	50	40	4	2	0.5
80	50	78.75	63	1.6	2	1.26	0.002	0.002		9999999
	50	78.75	63	4	5.04	1.26
	80	78.75	63	1.6	1.3	0.79
	80	78.75	63	4	3.2	0.79
100	50	125	100	1.6	3.2	2
	50	125	100	4	8	2
	80	125	100	1.6	2	1.25
	80	125	100	4	5	1.25
125	50	200	160	1.6	5.12	3.2
	50	200	160	4	12.8	3.2
	80	200	160	1.6	3.2	2
	80	200	160	4	8	2
150	50	312.5	250	1.6	8	5
	50	312.5	250	4	20	5
	80	312.5	250	1.6	5	3.1
	80	312.5	250	4	12.4	3.1
200	50	500	400	1.6	12.8	8
	50	500	400	4	32	8
	80	500	400	1.6	8	5
	80	500	400	4	20	5
250	25	787.5	630	1.6	40.32	25.2	0.02	0.02	9999999
	25	787.5	630	4	100.18	25.2
	50	787.5	630	1.6	20.16	12.6
	50	787.5	630	4	50.4	12.6
300	25	1250	1000	1.6	64	40
	25	1250	1000	4	160	40
	50	1250	1000	1.6	32	20
	50	1250	1000	4	80	20

Frequently Asked Questions

A. CE certificate, MID certificate.

A. Simply call or send us E-mail with your purchase request. If detail requirements (like the type, size, weight, package and so on) can be shared will be better for quick quotation.

Horizontal Woltman Helix Water Meter

Frequently Asked Questions

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