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Water rotary union U series
for oilfor air2-passage

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

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

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Characteristics

Medium

for water, for air, for oil

Number of passages

2-passage

Applications

hydraulic

Material

stainless steel

Other characteristics

with seal, ball bearing

Rotational speed

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

Max.: 3,000 rpm
(18,849.56 rad.min-1)

Pressure

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

Description

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. for air, water, oils and fluids graphite seals or silicon carbide seals fixed siphone or rotating siphone 2 ball bearings one or two ways