
Low pressure plant valves in •
20-40mm for use with 3-point,
modulating and spring return fan
coil actuators
Internal or external versions •
available
Internal version can be directly •
connected to BSP pipework
External version comes with •
couplings for BSP connection
Valve body and plug made of RG5 •
brass to eliminate erosion
Stuffing box available for future •
maintenance
Technical Data
Nominal pressure PN 16
Nominal size DN 20 to DN 40
Flow characteristic Linear
Mixing characteristic Linear
Medium temperature 2 to 120°C
Control ratio Minimum 1:50
Leakage rate: Through way Maximum 0,05% of Kvs
Leakage rate: Mixing way Maximum 2% of Kvs
Threaded connection External according to ISO 228/1
Internal according to DIN 2999
Material: Body Rg5
Material: Stem Stainless steel
Material: Plug Brass
Material: Stem Packing EPDM
Two-way valves - internal thread
Code No. Type DN (mm) Kvs (m3/h)
Stroke
(mm)
Weight
(kg)
065Z722001 VRBZ2 20/6.3 int. 20 6.3 5.5 1.2
065Z722501 VRBZ2 25/10 int. 25 10 5.5 1.4
065Z723201 VRBZ2 32/13 int. 32 13 5.5 2.1
065Z724001 VRBZ2 40/16 int. 40 16 5.5 2.9
Three-way valves - internal thread
Code No. Type DN (mm) Kvs (m3/h)
Stroke
(mm)
Weight
(kg)
065Z722000 VRBZ3 20/6.3 int. 20 6.3 5.5 1.2
065Z722500 VRBZ3 25/10 int. 25 10 5.5 1.4
065Z723200 VRBZ3 32/13 int. 32 13 5.5 2.1
065Z724000 VRBZ3 40/16 int. 40 16 5.5 2.9
Two-way valves - external thread
Code No. Type DN (mm) Kvs (m3/h)
Stroke
(mm)
Weight
(kg)
065Z742002 VRBZ2 20/6.3 ext. 20 6.3 5.5 1.1
065Z742502 VRBZ2 25/10 ext. 25 10 5.5 1.4
065Z743202 VRBZ2 32/13 ext. 32 13 5.5 2.0
065Z744002 VRBZ2 40/16 ext. 40 16 5.5 2.9
Three-way valves - external thread
Code No. Type DN (mm) Kvs (m3/h)
Stroke
(mm)
Weight
(kg)
065Z742001 VRBZ3 20/6.3 ext 20 6.3 5.5 1.1
065Z742501 VRBZ3 25/10 ext. 25 10 5.5 1.4
065Z743201 VRBZ3 32/13 ext. 32 13 5.5 2.0
065Z744001 VRBZ3 40/16 ext. 40 16 5.5 2.9
VRBZ 3VRBZ 2
Use with AMV/AME (-H) 130 or 140, AMV/AME 13SU (Spring return) actuators
Plant Short Stroke Control Valves
VRBZ 2- and 3-way
Kommentare zu diesen Handbüchern