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Control Valves, industrial
22-16
Float valve for water storage tanks, VR 170
VR 170 float valves regulate a fluid level in vented open or closed storage vessels or can be used for
filling of water supply storage tanks. Within the scope of their specification they can be used for
industrial or commercial installations or also for public water supply systems. A soft seat seal provides
positive shutoff, even with fluctuating supply pressure.
Media Water and neutral liquids
Additional description Available with plastics or stainless steel floats
Float can be fitted horizontally or vertically
Open construction design
Seat seal and piston replaceable
Lever arm can be shortened where supply pressure is low
Standard version
Body material Port connection type Port diameter Max. media temperature Type
inch
o
C
brass external threads 1/2 – VR170-1/2A
brass external threads 3/4 – VR170-3/4A
brass external threads 1 – VR170-1A
brass external threads 1 1/4 – VR170-11/4A
brass external threads 1 1/2 – VR170-11/2A
brass external threads 2 – VR170-2A
red bronze RG5 external threads 2 1/2 – VR170-21/2A
Stainless steel float for VR 170
Body material Port connection type Port diameter Max. media temperature Type
inch
oC stainless steel – – 90 ZN170-1/2A
stainless steel – – 90 ZN170-3/4A
stainless steel – – 90 ZN170-1A
stainless steel – – 90 ZN170-11/4A
stainless steel – – 90 ZN170-11/2A
stainless steel – – 90 ZN170-2A
stainless steel – – 90 ZN170-21/2A
stainless steel – – 90 ZN170-3A
Plastic float for VR 170
Body material Port connection type Port diameter Max. media temperature Type
inch
o C
synthetic material – – 65 Z171T-1/2A
synthetic material – – 65 Z171T-11/4A
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