WESAN WPV (phased out)

Bulk Water Meter | Woltman

Meter for measuring heavily fluctuating flow rates.

Calibratable and exchangeable measuring insert in one unit, suitable for calibration comprising: measuring insert as main meter, switch-over valve, measuring capsule as bypass meter
Ideal design of housing and housing cover prevents sedimentation, stagnant water and air pockets
Bypass line integrated in housing cover. No risk of sedimentation or corrosion.
No measuring errors in the switch-over range
Measuring capsule as bypass meter and non-return valve easily replaced on site
Good long-term measuring accuracy
Complete head unit with counter and sensors can be rotated by 350° for easier reading
Main meter and bypass meter are prepared for connection of two reed switch and one opto transmitter
In order to secure a safe switch-over the WESAN WPV needs a minimum ingoing pressure of 0.6 bar

Medium temperature range		°C	1 ... 30
Temperature safety		°C	1 ... 50
Ambient operating temperature		°C	1 ... 55
Ambient storage temperature		°C	1 ... 55
Nominal pressure	PN	bar	16¹
Display range			0.05 l ... 999,999 m³
Protection class			IP 68 / 65²
Available bypass meters			ALTAIR MCI / CORONA MC

¹ versions with different nominal pressure on request (see also special versions)
² with bypass meter CORONA MC

Nominal diameter	DN	mm	50	80	100
Permanent flow rate	Q₃	m³/h	25	63	100
Minimum flow rate	Q₁	l/h	25³	25³	25³
Transitional flow rate	Q₂	l/h	40³	40³	40³
Overload flow rate	Q₄	m³/h	31.25	78.75	125
Starting flow rate		l/h	2³	2³	2³
Permanent flow rate bypass meter	Q₃	m³/h	4	4	4
Switch-over flow rate rising		m³/h	2.2	2.7	2.4
Switch-over flow rate falling		m³/h	0.9	1.1	1.2

³ with bypass meter ALTAIR MCI

Nominal diameter	DN	mm	50	80	100
MID (DE-16-MI001-PTB002)			•	•	•
Dynamic range bypass meter CORONA MC (Q₃/Q₁)	R		630 H / 250 V	1600 H / 630 V	2500 H / 1000 V
Dynamic range bypass meter ALTAIR MCI (Q₃/Q₁)	R		1000	2500	4000
Potable water			KTW / W270	KTW / W270	KTW / W270

Nominal diameter	DN	mm	50	80	100
Overall length (DIN 19625)	L	mm	270	300	360
Overall length (DIN ISO 4064)	L	mm	-	300	350
Flange diameter	D	mm	165	200	220
Hole circle diameter	K	mm	125	160	180
Number of screwholes		pcs	4	8 / 4	8
Screwhole diameter	D1	mm	18	18	18
Height	H	mm	75	101	101
Height	H1	mm	130	140	140
Height	H2	mm	136⁴	146⁴	146⁴
Height to remove measuring insert		mm	245⁴	280⁴	280⁴
Width	B1	mm	85	100	110
Width	B2	mm	160	180	180
Diameter	Ø B	mm	110	110	110
Weight of complete meter		kg	17.4	25.5	29
Weight of measuring insert		kg	6.3	9.3	9.3

⁴ with bypass meter CORONA MC

Special versions

- Versions with different nominal pressure on request
- Special flange holes on request
Presure loss graph / Typical error graph

Pressure loss graph

Typical error graph