VONROLL HYDRO UFO DN80
Underground hydrant

New generation of hydrants

Underground hydrant according to DIN EN 14339 and DIN EN 1074-6, DVGW W 386 (P)
DIN-DVGW type certificate, for drinking water
Form A1, single shut-off or AD1 double shut-off
Flange PN16 according to DIN EN1092-2
Test in accordance with DIN EN 12266-1

Innovative solutions for user-friendliness

Long-term ease of movement thanks to the use of a needle bearing

improved ease of operation, rotation stops

Innovative EASY inspection system, integrated ejection guard, easy maintenance option

Self-standing claw cover - simple standpipe assembly and closing of the claw opening

Improved longevity

Encapsulated spindle collar bearing and bayonet lock

Spindle nut protector made of POM: improved guidance and protection of the coating

High corrosion protection thanks to glass-lining in accordance with DIN EN 11177

Enameled valve seat

Start of opening after just 2.5 turns and full flow after 10 turns

Integrated foot seal on the connection flange

No metal surfaces in the drainage area at risk of incrustation

Materials

Housing, spindle cover and claw cover made of ductile cast iron 5.3106 (EN-GJS400-15) to DIN EN1563

Spindle nut and spindle bearing bushing brass

Stem, rods (solid material), screws, needle bearings, locking pins made of stainless steel with at least 13 % chrome

Dirt trap, seals and rubberized shut-off cone on all sides EPDM

in accordance with DIN EN 16421 (W270)

Advantages of dewatering

Increased safety against foreign bodies due to significant cross-sectional expansion in the outlet direction

Variants

with STOPR backflow preventer: improved STOPR pipe network protection backflow preventer

Security plus

ANIWAH: Reduces pressure peaks when opening and closing (protects the pipe network)

Claw with cast lugs

For mechanical securing of standpipes

Accessories

Spindle extension, claw extension and seepage stone

Version A1 and AD1
DN	Pipe cover (m)	Quantity Notches	Height (mm)	Weight (kg)	Item no. single shut-off	Item no. double shut-off
80	0.75	1	527	23	21074748	21074750
	1.00	2	722	26	21074749	21074751
	1.25	3	972	30	21042444	21042445
	1.50	4	1222	35	21074575	21074576

Tender text

According to DIN EN 14339 and DIN EN 1074-6, DVGW W 386 (P)
DIN-DVGW type certificate
Form A1, single shut-off or AD1 double shut-off
Flange PN16 according to DIN EN1092-2
Installation dimensions according to pipe cover: 0.75 m, 1.00 m, 1.25 m and 1.50 m
Undivided housing
Housing, housing cover and flap cover made of ductile cast iron 5.3106 (EN-GJS-400-15) to DIN EN1563
Spindle, rods (solid material), screws, needle bearings, locking pins made of stainless steel with at least 13 % chrome
Spindle nut and spindle bushing made of special brass
Dirt trap and rubberized shut-off cone on all sides EPDM according to DIN EN 16421 (W270)
Spindle nut guide protector made of POM for improved guidance and protection of the corrosion protection of the guide groove
Bayonet coupling on drainage unit for connecting accessories (such as control unit, connection of drainage lines)
Fully protective housing cover Increased corrosion protection on the spindle bushing by means of bayonet lockingim Gehäusedeckel
Stainless steel needle bearing on the spindle collar for reliably low actuating torques
ANIWAH to reduce possible pressure peaks during the closing and opening process
Metal rotation stops in the end positions to clearly identify the end positions and prevent operating errors
User-friendly EASY inspection system with safety lock for easy removal and installation of the inner trim for maintenance work

Corrosion protection

Enamel coating inside and outside in accordance with DIN EN 11177, color blue
Housing cover and flap cover with epoxy powder coating on all sides in accordance with GSK design "Heavy-duty corrosion protection" and DIN 3476, coating thickness >250 μm, color blue