MK81 Series
8 Passages G1/8" Gas/Vacuum + 0~96 Circuits
MK81 slip rings
  • MK81 series is 8 passages Pneumatic Rotary Union(Can combine electric wires), with connection size G1/8", compact size, light weight, low torqure, Also optional for transmitting power line, signal line, industrial bus, control line, Electromagnetic valve, induction line, etc.; Standard installation is flange mounting.
    Media Types: Compress Air/Gas, vacuum;Can combine 2~96 circuits(2A),can also use pneumatic part,without circuits.
    Media Types: compressed Air/Gas, vacuum, etc.
Specification
Rotary Union SpecificationsMechanical data
ParameterValueParameterValue
Passage8 in 8 out, G1/8"Working LifeOver 10 Million Revs
Max.5MPa Vacuum 0.01torrRotating Speed500RPM
TorqueSee Part#ListWorking Temp.-30℃~80℃
Electrical dataOperating Humidity0~85% RH
ParameterValueContact MaterialSee Prod Quality Level
PowerSignalHousing MaterialAluminium Alloy
Rated Voltage0~440VAC/VDC0~440VAC/VDCProtection gradeIP51
Insulation Res≥1000MΩ/500VDC≥1000MΩ/500VDC
Lead WiresAWG16#TeflonAWG22#Teflon
Lead LengthStandard 300mm
Dielectric Strength500VAC@50Hz,60s
Res Noise<0.01Ω



MK81 (rotary union only for pneumatic) drawing (8 in 8 out, connection size G1/8")


MK81 Parts# List
ModelPassagesConnection SizeTube Size
MK818G1/8"6~8mm

MK81S-S12/MK81S-S18/MK81S-S24/MK81S-S36 Drawings


MK81S-S12/MK81S-S18/MK81S-S24/MK81S-S36 Parts# List
ModelPassagesConnection SizeTube SizeSignal(2A)L(mm)
MK81S-S128G1/8"6~8mm1221
MK81S-S188G1/8"6~8mm1828
MK81S-S248G1/8"6~8mm2438.6
MK81S-S368G1/8"6~8mm3652.3

MK81S-S56 drawing 8 in 8 out, connection size G1/8" + 56XSignal(2A)


MK81-S56 Parts# List
ModelPassagesConnection SizeTube SizeSignal/(2A)L(mm)
MK81-S5612G1/8"6~8mm5680.7

MK81-PXX-SXX drawing 8 in 8 out, connection size G1/8"+signal(5A)/10A


MK81-PXX-SXX Parts# List
ModelPassagesConnection SizeTube Size10ASignal/5AL(mm)
MK81-P06108G1/8"6~8mm6038
MK81-S068G1/8"6~8mm0638
MK81-P12108G1/8"6~8mm12054.8
MK81-P0610-S068G1/8"6~8mm6654.8
MK81-S128G1/8"6~8mm01254.8
MK81-P18108G1/8"6~8mm18071.5
MK81-P0610-S128G1/8"6~8mm61271.5
MK81-P1210-S068G1/8"6~8mm12671.5
MK81-S188G1/8"6~8mm01871.5
MK81-S248G1/8"6~8mm02488.4
MK81-P0610-S188G1/8"6~8mm61888.4
MK81-S308G1/8"6~8mm030105.2
MK81-S368G1/8"6~8mm036125

Note:10A and signal(5A) can be freely combined, please contact customer service for details.

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