User guide

17-4
Hydronic Meters
http://products.ecc.emea.honeywell.com/europe
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EW450-452 Mechanical Heat Meters for energy metering of cooling and combined cooling and
heating systems
Union nut, sealing and externally threaded red bronze tail-piece for external threads
Nominal flow (qp) DN size Length Port diameter Interface Type
m
3
/h mm mm inch
0,6 15 110 G 3/4 B none EW450A0100
1,5 15 110 G 3/4 B none EW450A1200
2,5 20 130 G 1 B none EW450A2000
3,5 25 260 G 1 1/4 B none EW451A2800
6,0 25 260 G 1 1/4 B none EW451A3600
10,0 40 300 G 2 B none EW451A4600
15,0 50 270 Flanges none EW452A5100
25,0 65 300 Flanges none EW452A5900
40,0 80 300 Flanges none EW452A6900
60,0 100 360 Flanges none EW452A7700
0,6 15 110 G 3/4 B M-Bus EW450M0100
1,5 15 110 G 3/4 B M-Bus EW450M1200
2,5 20 130 G 1 B M-Bus EW450M2000
3,5 25 260 G 1 1/4 B M-Bus EW451M2800
6,0 25 260 G 1 1/4 B M-Bus EW451M3600
10,0 40 300 G 2 B M-Bus EW451M4600
15,0 50 270 Flanges M-Bus EW452M5100
25,0 65 300 Flanges M-Bus EW452M5900
40,0 80 300 Flanges M-Bus EW452M6900
60,0 100 360 Flanges M-Bus EW452M7700
0,6 15 110 G 3/4 B pulse EW450P0100
1,5 15 110 G 3/4 B pulse EW450P1200
2,5 20 130 G 1 B pulse EW450P2000
3,5 25 260 G 1 1/4 B pulse EW451P2800
6,0 25 260 G 1 1/4 B pulse EW451P3600
10,0 40 300 G 2 B pulse EW451P4600
15,0 50 270 Flanges pulse EW452P5100
25,0 65 300 Flanges pulse EW452P5900
40,0 80 300 Flanges pulse EW452P6900
60,0 100 360 Flanges pulse EW452P7700
DN 15
VA7401A015
DN 20
VA7401A020
DN 25
VA7401A025