RAY FS WS 453/455

FLOW SENSOR | MECHANICAL

Volume measuring device to measure thermal quantities

Possibility of remote transmission of quantities of flow
For easy reading the complete head part with totalizer can be turned to any position
Easily removeable reed-switch
The pulse transmitter is fitted with a 100 Ω, ¼ W series resistor (cable length 3 m) - can be supplied without series resistor on request
Contact load (without series resistor) max. 24 V AC/DC (protective low voltage) 0.2 A
Outstanding continuance of accuracy even with extreme charges because of vane bearing beeing of ring saphire and carbide metal
Considerably extended measuring range towards small flows compared to documentation of metrological class
As a safeguard against magnetic influences, a sealable antimagnetic screen is fitted on the meter
Approved according MID in class 2 and 3
Completely dry-running

¹special version on request

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 components with the following substances in a concentration of more than 0.1% weight by weight (w/w):
- Lead (CAS no.: 7439-92-1)

Nominal diameter	DN	mm	50	65	80	100	150
Nominal flow rate	q_p	m³/h	15	25	40	60	150
Maximum flow rate (short-term)	q_s	m³/h	30	30	50	75	187.5
Minimum flow rate	q_i	l/h	600	1000	1600	2400	6000
Starting flow rate		l/h	60	60	90	90	1000
Pressure loss at q_p	Δp	bar	0.06	0.14	0.09	0.07	0.09
Pulse value reed switch ¹		l/pulse	10 / 100	10 / 100	10 / 100	10 / 100	10 / 100
Metrological class ²	q_p / q_i		25:1	25:1	25:1	25:1	25:1
Flow rate at 0.1 bar pressure loss		m³/h	19	21	42	70	160

¹other pusle values on request
²other q_p / q_i on request

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	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	8 / 4	8	8
Screwhole diameter	D1	mm	18	18	18	18	23
Height	H	mm	84	97	102	113	155
Height (without counter extension)	H1	mm	155	155	190	200	400
Height (with counter extension)	H1	mm	195	195	230	240	440
Diameter	Ø B	mm	165	185	200	220	285
Weight		kg	14.2	18	24	28	79.5

Pressure loss graph / Typical error graph

Pressure loss graph

Typical error graph