MK121 series Gas Rotary Unions(+Electric Slip Rings)

MK121 Series

12 Passages G1/8" Gas/Vacuum + 0~96 Circuits

MK121 series is 12 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.

Download MK121 Catalog Download 3D Model

Specification
Rotary Union Specifications			Mechanical data
Parameter	Value		Parameter	Value
Passage	12 in 12 out, G1/8"		Working Life	Over 10 Million Revs
Max.	5MPa Vacuum 0.01torr		Rotating Speed	500RPM
Torque	See Part#List		Working Temp.	-30℃~80℃
Electrical data			Operating Humidity	0~85% RH
Parameter	Value		Contact Material	See Prod Quality Level
	Power	Signal	Housing Material	Aluminium Alloy
Rated Voltage	0~240VAC/VDC	0~240VAC/VDC	Protection grade	IP51
Insulation Res	≥500MΩ/500VDC	≥500MΩ/500VDC
Lead Wires	AWG17#Teflon	AWG22#Teflon
Lead Length	Standard 300mm
Dielectric Strength	500VAC@50Hz，60s
Res Noise	<0.01Ω

MK121 (rotary union only for pneumatic) drawing (12 in 12 out, connection size G1/8")

MK121S-S12/MK121S-S18/MK121S-S24/MK121S-S36 Drawings

MK121S-S12/MK121S-S18/MK121S-S24/MK121S-S36 Parts# List
Model	Passages	Connection Size	Tube Size	Signal(2A)	L(mm)
MK121S-S12	12	G1/8"	6~8mm	12	22.5
MK121S-S18	12	G1/8"	6~8mm	18	29.5
MK121S-S24	12	G1/8"	6~8mm	24	40.1
MK121S-S36	12	G1/8"	6~8mm	36	53.8

MK121S-S56 drawing 12 in 12 out, connection size G1/8" + 56XSignal(2A)

MK121-PXX-SXX drawing 12 in 12 out, connection size G1/8"+signal(5A)/10A

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

MK121 (rotary union only for pneumatic) drawing (12 in 12 out, connection size G1/8")

MK121S-S12/MK121S-S18/MK121S-S24/MK121S-S36 Drawings

MK121S-S12/MK121S-S18/MK121S-S24/MK121S-S36 Parts# List
Model	Passages	Connection Size	Tube Size	Signal(2A)	L(mm)
MK121S-S12	12	G1/8"	6~8mm	12	21
MK121S-S18	12	G1/8"	6~8mm	18	28
MK121S-S24	12	G1/8"	6~8mm	24	38.6
MK121S-S36	12	G1/8"	6~8mm	36	52.3

MK121S-S56 drawing 12 in 12 out, connection size G1/8" + 56XSignal(2A)

MK121-PXX-SXX drawing 12 in 12 out, connection size G1/8"+signal(5A)/10A

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