RAY FS WP 456/457
FLOW SENSOR | MECHANICAL
Application
Volume measuring component for measuring heat.
Features
- Facility for remote transmission of flow rates
- Encapsulated and evacuated counter
- Counter can be rotated as required for easier reading
- Easily replaceable reed switch
- The reed switch is fitted with a 100 Ω, ¼ W protective resistor (cable length 3 m). Can be ordered without series resistor
- Contact rating (without series resistor) max. 24 V (SELV) 0.2 A
- Outstanding long-term accuracy achieved by mounting vane in ring saphire and carbide bearing
- Sealed shield protects against magnetic interference
- Very low pressure loss
- Approved according MID in class 2 and 3
- Completely dry-running
-
General
Application Heating Mounting position Any position Medium temperature range °C 10 ... 105 Ambient temperature °C 5 ... 55 Ambient class E1 + M1 Nominal pressure PN bar 161 Protection class IP 54 Approval MID (DE-15-MI004-PTB004) 1 special 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) -
Technical data
Nominal diameter DN mm 50 65 80 100 125 150 200 Nominal flow rate qp m3/h 15 25 32 50 80 200 200 Overload flow rate (short term) m3/h 60 60 90 180 250 400 500 Maximum flow rate qs m3/h 30 30 45 100 150 300 300 Minimum flow rate qi m3/h 1.5 2.5 3.2 5 8 20 20 Starting flow rate l/h 130 130 400 400 600 1500 2000 Pressure loss at qp Δp bar 0.02 0.02 0.01 0.03 0.03 0.05 0.002 Flow resistance coefficient Zeta 0.9 0.9 0.65 1.9 1.8 1 0.13 Pulse value reed switch 1 l/pulse 100 100 100 100 100 100 100 Metrological class qp / qi 10:1 2 10:1 2 10:1 10:1 10:1 10:1 10:1 Flow rate at 0.1 bar pressure loss m3/h 35 56 102 91 150 280 1414 1 other pulse values on request
2 other qp / qi on request -
Display range
Nominal diameter DN mm 50 65 80 100 125 150 200 0.5 l ... 999,999 m³ • • • • • 5.0 l ... 9,999,999 m³ • • -
Dimensions
Nominal diameter DN mm 50 65 80 100 125 150 200 Overall length L mm 200 200 200 / 225 250 250 300 350 Flange diameter D mm 165 185 200 220 250 285 240 Hole circle diameter K mm 125 145 160 180 210 240 295 Number of screwholes pcs 4 4 8 8 8 8 8 / 12 Screwhole diameter D1 mm 18 18 18 18 18 22 22 Height H mm 75 82.5 94 110 125 135 163 Height (without counter extension) H1 mm 141 141 141 200 200 244 244 Height (with counter extension) H1 mm 182 182 182 240 240 284 284 Diameter ØB mm 150 150 150 220 250 285 340 Weight kg 11.1 11.6 12.5 19.8 22.4 39 49 -
Pressure loss graph / Typical error graph
Pressure loss graph
Typical error graph
