TIANJIN BAILI ERTONG MACHINERY QBR3 Operation Manual Download | Manualshive

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(Please read this Operation Manual carefully before using this product) SM-20

QBR3~QBR5

Quarter-turn Electric Valve Actuator

Operation Manual

Tianjin Baili Ertong Machinery Co.,Ltd

(Former Tianjin No.2 General Machinery Factory)

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Summary of Contents for QBR3

Page 1: ...d this Operation Manual carefully before using this product SM 20 QBR3 QBR5 Quarter turn Electric Valve Actuator Operation Manual Tianjin Baili Ertong Machinery Co Ltd Former Tianjin No 2 General Machinery Factory ...

Page 2: ...Content 1 Product instruction 1 2 Electric wiring 2 3 Product adjusting 3 4 Additional Instruction for Explosion proof product 4 5 Comprehensive test and notice 5 ...

Page 3: ...e medium 1 2 9 Electric port total number of M33 1 5 is 2 1 3Majorstructureandfunction 1 3 1 Motor YDF specialized electric valve motor This kind of motor complies with relatednationalstandardanditstorqueperformancecomplieswithvalve sloadingperformance 1 3 2Reducermechanism it applies first class spur gear first class worm gear and first class NN type planetary reducer 1 3 3Limitcontrolandposition...

Page 4: ...ensure that the cable will not influence other working parts in the control case 2 1 4 Put the sealing ring and gasket into the case s screw hole rotate gland nut and compress sealing ring so as to make it closely contact with cable s edge 2 1 5 Inner grounding and external grounding should be fixed and reliable 2 2 Wiring steps for explosion proof type of electric actuator see Fig 4 2 2 1 Remove ...

Page 5: ... rain leaking into the electric actuator the first two connection patterns are right in the following picture 3 Product adjusting The torque mechanism has been tested and set up before delivered from the factory It complies with the maximum torque value written on the nameplate User does not need to readjust see Fig 2 Besides fasten two mechanical limit screws on the main case body It is better no...

Page 6: ...s gear and make it to be meshed To confirm it is meshed before fasten the screw Take care of the limit position or it would be damaged 3 3Adjustment for the mechanical limit screws A To make sure in which valve position the screw limits before adjusting the mechanical limit screw While turning the valve right is to close the limit screw on the right side is closing limit and the limit screw on the...

Page 7: ... Besides the Manual Operation a copy of electric schematic diagram has been provided User shall strictly follow the terminal diagram while wiring Wiring lug shall be applied The wiring lug shall not exposed or loosened Uplift the plastic jacket of the wiring lug same direction to make sure an appropriate leakage distance Any electric conductor cannot be left in the wiring case 5 Comprehensive test...

Page 8: ...inal protection function in the above conditions 2 At the end of operation replace the cover When fastening the clamp nuts at wire inlet and outlet make sure that no adverse elements such as severe damp water and dust etc that could weaken protective performance left in the inner space 3 In the course of mounting covers make sure that rubber seal rings are not damaged and fasteners are securely sc...

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