WESAN WS G

BULK WATER METER | WOLTMAN

For measuring of fluctuating flows in the utility sector.

Calibratable and exchangeable measuring insert
For horizontal installation
Sealed measuring insert for better accuracy
Hydraulic bearing relief
Encapsulated counter of glass/copper IP 68
Complete head unit with counter and sensors can be rotated by 350° for easier reading
System compatibility, WESAN WS G can be extended with IZAR RADIO (clip on radio module) or IZAR PULSE (clip on pulse module)
Strong protection against magnetic manipulation

Nominal diameter	DN	mm	50	65	80	100	150
Permanent flow rate	Q₃	m³/h	25	40	63	100	250
Minimum flow rate	Q₁	m³/h	0.63	1	1.58	2.5	6.25
Transitional flow rate	Q₂	m³/h	1	1.6	2.52	4	10
Overload flow rate	Q₄	m³/h	31.25	50	78.75	125	312.5
Starting flow rate		l/h	60	60	90	90	150
Flow rate at 0.1 bar pressure loss		m³/h	21	22	55	60	143
Pressure loss at Q₃		bar	0.14	0.34	0.13	0.28	0.31

Approval

Nominal diameter DN mm 50 65 80 100 150
MID (A 0445/3505/2011) • • • • •
Dynamic range (Q₃/Q₁) R 40•H 40•H 40•H 40•H 40•H
Potable water KTW / W270 KTW / W270 KTW / W270 KTW / W270 KTW / W270
REACH

Information pursuant to Article 33 (1) of Regulation (EC) No 1907/2006 of the European Parliament and of the Council of 18 December 2006:
This product series contains articles with the following substances in a concentration of more than 0.1% weight by weight (w/w):
- Lead (CAS no.: 7439-92-1)
Display range

Nominal diameter DN mm 50 65 80 100 150
0.5 l ... 999,999 m³ • • • •
5.0 l ... 9,999,999 m³ •

Nominal diameter	DN	mm	50	65	80	100	150
Overall length (DIN 19625)	L	mm	270	300	300	360	430 / 500
Overall length (DIN ISO 4064)	L	mm	300	300	350	350	500
Flange diameter	D	mm	165	185	200	220	285
Hole circle diameter	K	mm	125	145	160	180	240
Number of screwholes		pcs	4	4	4 / 8	8	8
Screwhole diameter	D1	mm	18	18	18	18	23
Height	H	mm	85	97	102	113	141
Height	H1	mm	135	135	180	190	351
Height to remove measuring insert		mm	240	240	330	340	620
Diameter	Ø B	mm	110	110	110	110	110
Meter width		mm	173	173	239	239	310
Weight		kg	14.5	17.7	24	28	79.5

Special versions

- Versions with different nominal pressure on request
- Flange for ANSI and BS on request
- Temperature up to 90 °C on request
- Special pulse values on request
- Special overall lengths on request
Presure loss graph / Typical error graph

Pressure loss graph

Typical error graph

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
Protection class			IP 68