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Summary of Contents for TIANJIN BAILI ERTONG MACHINERY QBR3
- Page 1 (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)
- 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 1. Product instruction 1.1 Summary QBR3~QBR5 are quarter-turn electric valve actuators (hereinafter referred to as Electric actuator) invented by our Company. ThisseriesareclassifiedintoQBR3, QBR4, QBR5 according to the seating numbers. Control torque ranges from 600 Nm to 12000Nm. This series can be operated with ball valve, butterfly valve whose disc can make a 90°turn, combining an electric valve actuator which controls valve...
- Page 4 actuator’s electrical control on site. 1.4 Mounting position of the electric actuator 2. Electrical wiring For user’s convenient, please see the attached documents for Electrical Schematic Diagram, Wiring contacts table and Electric components table. 2.1 Electric wiring steps for the General type of actuator (non-explosion proof ) 2.1.1 First, open the case cover;...
- Page 5 so as to ensure the cable’s rubber jacket is in the hole of the “sealing plug”. 2.2.7 Screw the gland nut to compress the sealing rubber plug and make it combine firmly with cable’s rubber jacket. Connect the grounding core wire of the cable with the inner grounding screw of the wiring box.
- Page 6 C. Manually close the valve; loosen the screw on the Closing Cam; in the direction of valve closing, to rotate the cam until a “crack” sound is heard, fasten the screws on the cam. D. Manually open the valve, making the Closing Cam to be away from micro switch’s contact. Then, electrically close the valve to check if valve’s closing position is precise.
- Page 7 4.2 Notice for usage and maintenance: 4.2.1 Power must be cut off when actuator’s any cover is open.(please see the warning plate: “Forbid to open the box cover when the power is on.”) 4.2.2 Forbid to hit the openness window by using hard materials. 4.2.3 Keep the nameplate and warning plate being fixed on actuator and the words on them should be recognized.
- Page 8 Tianjin Baili Ertong Machinery Co., Ltd. Add: Block B,No.180 Hanghai Road, Tianjin Pilot Free Trade Zone (Airport Economic Zone) Tel: 86 22 26750313，84911766，84911866...
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