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Rotary Joint SMQR

QR type rotary joint adopts imported mechanical seal combined with a silicon carbide ring. The auxiliary seal is made of Japanese silicone rubber. 

Port Size: Male R1/8,Female M5×0.8
Min. Operating Pressure: -100kPa
Max. Operating Pressure: 1.0MPa
Ambient and Fluid Temp: -10~80℃

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Overview for Rotary Joint SMQR

QR type rotary joint adopts imported mechanical seal combined with a silicon carbide ring. The auxiliary seal is made of Japanese silicone rubber. It can withstand 300°C high temperature and solve the problem of leakage for domestic hot oil equipment. Double bearing support solves the problem that it is difficult to find the installation balance point. It can be repaired directly on the equipment and does not need to be removed. The rotation speed is up to 5000 rpm. The pressure is 60 MPa.

Technical Parameters for Rotary Joint SMQR

Port Size: Male R1/8,Female M5×0.8
Min. Operating Pressure: -100kPa
Max. Operating Pressure: 1.0MPa
Ambient and Fluid Temp: -10~80℃

Ordering Code for Rotary Joint SMQR Series

Technical Parameter for Rotary Joint SMQR Series

Model SMQR1-M5 SMQR2-M5 SMQR4-M5 SMQR8-M5 SMQR12-M5 SMQR16-M5
Path Number 1 2 4 8 12 16
Working Medium Air / inert gas
Sealing structure Clearance seal
Guide structure Bearing support Two end bearing support
Port Size Male R1/8 M5×0.8
Female M5×0.8
Flow characteristics C[dm²(s·bar)] b Cv
0.50 0.40 0.17
Lubrication Non-lube
Min. Operating Pressure -100kPa
Max. Operating Pressure 1.0MPa
Ambient and Fluid Temp. note 1) -10~80℃
Initial rotation torque note 2) <0.003(N·m) <0.03(N·m) <0.05(N·m) <0.1(N·m) <0.2(N·m) <0.5(N·m)
Allowable maxspeed <3000min-1(r.p.m.) note 3) <2000min-1(r.p.m.) <1500min-1(r.p.m.) <900min-1(r.p.m.) <600min-1(r.p.m.) <200min-1(r.p.m.)
Allowable radial load and axial loadnote 4) <1N <15N <30N <40N <50N <50N
Weight 0.025kg 0.16kg 0.39kg 0.76kg 1.26kg 2.80kg

Note 1) The temperature of 80 °C includes the temperature-rise value during rotation.
Note 2) The rotation torque does not change with the supply pressure or placement (within the allowable rotation torque), but the speed will change.
Note 3) If the speed is above 600 min-1 (r.p.m.), make sure to rotate in the direction of tightening the connector.
Note 4) Rubber / resin couplings are recommended because they have excellent absorption of eccentricity, shock and vibration.

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Rotary Joint SMQR | Pneumatic Cylinder Actuator