
Technical Data
Nominal size DN 15 to DN 50
Control Characteristic LOG: port A-AB; LIN: port B-AB
Cavitation Factor z ≥0.4
Leakage acc. to standard IEC 534 A-AB ≤0.05% of k
vs
, B-AB≤1.0% of k
vs
Nominal Pressure PN16
Maximum Closing Pressure 4 bar
Medium Circulation water/glycolic water up to 50%
Medium pH Min. 7, Max. 10
Medium temperature 2 (-10) to 120°C
Material: Valve Body RedbronzeCuSn5ZN5Pb5(Rg5)
Material: Valve Stem Stainless steel
Material: Valve Cone Brass
Material: Stuffing Box Sealing EPDM
VRB two-way valves - external thread (tail pieces included)
Type Code DN (mm) Kvs (m3/h) Stroke (mm) Weight (kg)
VRB2 15/0.63 065Z017101 15 0.63 10 0.61
VRB2 15/1.0 065Z017201 15 1.0 10 0.61
VRB2 15/1.6 065Z017301 15 1.6 10 0.61
VRB2 15/2.5 065Z017401 15 2.5 10 0.61
VRB2 15/4.0 065Z017501 15 4.0 10 0.61
VRB2 20/6.3 065Z017601 20 6.3 10 0.78
VRB2 25/10 065Z017701 25 10 10 1.00
VRB2 32/16 065Z017801 32 16 15 1.57
VRB2 40/25 065Z017901 40 25 15 2.62
VRB2 50/40 065Z018001 50 40 15 3.76
VRB three-way valves - external thread (tail pieces included)
Type Code DN (mm) Kvs (m3/h) Stroke (mm) Weight (kg)
VRB3 15/0.63 065Z015101 15 0.63 10 0.70
VRB3 15/1.0 065Z015201 15 1.0 10 0.70
VRB3 15/1.6 065Z015301 15 1.6 10 0.70
VRB3 15/2.5 065Z015401 15 2.5 10 0.70
VRB3 15/4.0 065Z015501 15 4.0 10 0.70
VRB3 20/6.3 065Z015601 20 6.3 10 0.93
VRB3 25/10 065Z015701 25 10 10 1.21
VRB3 32/16 065Z015801 32 16 15 1.95
VRB3 40/25 065Z015901 40 25 15 3.39
VRB3 50/40 065Z016001 50 40 15 5.46
Plant valves for 15-50mm, used with •
3-point, modulating and spring
return plant actuators
Complete with couplings for BSP •
connection
New quick connection between the •
valve on the actuator
Made of RG5 Bronze to eliminate •
erosion
Accessories - Adapter (for old actuators)
Actuators max. p (bar) Code
AMV(E) 15, 25,
35, 323, 423, 523
4.0 065Z031100
VRB 2 (external thread) VRB 3 (external thread)
Use with AMV/AME 435 or AMV/AME 438
Plant Control Valves (External Thread)
VRB (RG5 Bronze) 2-port and 3-port
Accessories - Stem Heater
Actuators Power Supply Code
AMV(E) 435
24V
065Z031500
AMV(E) 438 SU 065B217100
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