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Water rotary union U series
for airfor oil2-passage

Water rotary union - U series - Re S.p.A. - for air / for oil / 2-passage

Water rotary union - U series - Re S.p.A. - for air / for oil / 2-passage - image - 2

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Characteristics

Medium

for water, for air, for oil

Number of passages

2-passage

Material

stainless steel

Other characteristics

with seal, ball bearing

Rotational speed

Max.: 5,000 rpm
(31,415.93 rad.min-1)

Min.: 500 rpm
(3,141.59 rad.min-1)

Pressure

12 bar, 70 bar
(174 psi, 1,015 psi)

Nominal size

Max.: 2.5 in

Min.: 0.3 in

Description

for air, water, oils and fluids 2 ball bearings graphite seals or silicon carbide seals one or two ways fixed siphone or rotating siphone The u series is the most widely used version, supported by two ball bearings and available with graphite (for filtered air and water) or silicon carbide (for oil and water) seals. Available in one or two way versions and sizes ranging from 1/4” to 2” 1/2, with fixed or rotating siphon. Graphite seals vs stainless steel is used for air and water filtered at 20 micron at least. For dirty water or hydraulic oil, silicon carbide seal vs silicon carbide is suggested. Stainless steel spring, screened bearings, nickel plated versions. The standard supply provides the rotating nipple threaded BSP UNI 338/66 (cylindrical) right or left.