Product Overview

Data sheet ESBE Type G & F
3 & 4-Way Rotary Valves
VDKIN122 © Danfoss 03/09
3-Way Valves
Ideal valves for mixing and diverting •
applications
Reduces risk of low temperature water •
returning to boiler
4-Way Valves
Double mixing function, providing •
proportional mixing from source to
system and system to source
Reduces risk of low temperature water•
returning to boiler.
Piping
Arrangement:
Technical
Specifications:
100
% Hot Water
Valve Position
90
80
70
60
50
40
30
20
10
0
01357910
Flow (GPM)
Pressure drop (psi)
1000
Cv490
Cv75
Cv50
Cv35
Cv365
Cv265
Cv175
Cv115
500
300
200
100
50
30
20
10
0
3
2
0.05 0.10.2 0.30.4 0.51.0 2.03.0 5.07.0
Max. operating pressure 90 psi (6 bar)
Max. operating temperature 230°F (110°C)
Min. operating temperature 14°F (-10°C)
Max. differential pressure
1-1/2” – 2”: 8 psi (50kPa)
2-1/2” – 6”: 5 psi (30kPa)
Required motor torque
(Recommendation for
typical application)
Valve size max. 2” – 45 in lb (5Nm)
Valve size max. 4” – 85 in lb (10Nm)
Valve size max. 6” – 130 in lb (15Nm)
(Recommended exercise function for valve body)
Allowable fluid Water (maximum 50% glycol) in a closed loop hydronic system.
Connections
Type G: Female NPT
Type F: 3-Way ANSI Flange
4-Way DIN Flange
Max. Leakage in % of Flow
Mixing Diverting
Type G 1.0 0.5
Type F 1.5