0
SM-20
(Please read this Operation Manual carefully before using this product)
NQB1
、
NQB2
Quarter-turn electric valve actuator
Operation Manual
TIANJIN BAILI ERTONG MACHINERY CO., LTD.
Страница 1: ...0 SM 20 Please read this Operation Manual carefully before using this product NQB1 NQB2 Quarter turn electric valve actuator Operation Manual TIANJIN BAILI ERTONG MACHINERY CO LTD ...
Страница 2: ...Content 1 Product instruction 1 2 Product mounting 2 3 Electric wiring 3 4 Product debugging 4 5 Additional instruction for explosion proof type 5 6 Precautions 7 ...
Страница 3: ...elp to ensure that product mounting debugging and maintenance are dealt in right ways Please refer to Fig 1 Fig 4 for product outline For the dimension of the flange coupling with valve the dimension of driving shaft s whole and key refer to the Catalogue of the manufacturer Notify the specific technical parameters when ordering Please refer to product s nameplate for driving output power of the e...
Страница 4: ...echanism will return to the electrical position When pushing the switching handle arm the handle may be rotated properly to make the internal mechanism engaged 1 4 6 Mechanical limit mechanism used to restrain the limit position of the output shaft Since it has been adjusted before factory delivery it should not be loosened at will in case of over adjustment disengage the worm segment and worm The...
Страница 5: ...e of cables with connection wiring terminal board 3 and wiring should be reliable and shall not be exposed Pull the cable outwards in a proper amount to ensure it will not interfere with other operating components in the cavity Rotate the input sealing wire plug into the thread hole of the case body firmly screw the gland nut on the sealing wire plug so as to ensure the sealing performance of cont...
Страница 6: ...and the cam on the bottom is used to control close of the valve The adjustment of stroke control and position indication mechanism 4 1 1 Operate the valve manually to the neutral position 4 1 2 Start the electric actuator confirm that movement direction of the valve matches to the control when it is electrically controlled If there is any error change the phase sequence of the power supply this op...
Страница 7: ...er to the nameplate of the electric actuator is OPEN limit and CLOSE limit for the other one After the end position of the valve is decided adjust the screw inwards to make it contact with the limit section on the drive shaft first and then rotate it back by 0 5 to 1 turns At last tighten the retention screw or nut at outside this completes the adjustment of mechanical limit Note The limit screw i...
Страница 8: ...nameplate For the outline dimension flange dimension connected with valve and the position and dimension of inlet wire position of explosion proof wiring box please refer to the catalogue from our Company 5 2 Notice for usage and maintenance Refer to Fig 1 for the structure 5 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 ...
Страница 9: ...perating condition to determine whether to replace or replenish 6 3 After this product is removed from the valve for repairing or replacing the lubrication grease the stroke control and position indication mechanism should be inspected and adjusted The torque control mechanism should be inspected and calibrated if necessary making it be in accordance to the requirement 6 4 When using in the enviro...
Страница 10: ...8 Fig 1 Fig 3 Fig 2 ...
Страница 11: ...9 Fig 4 ...
Страница 12: ...d hole size and their positions should be specified Whether the hole for stem is required or not should be clarified Specify whether there is a special requirement or not such as explosion proof Introduce the operation condition in brief The controller should be specified separately when placing an order TIANJIN BAILI ERTONG MACHINERY CO LTD Address Block B No 180 Hanghai Road Tianjin Pilot Free T...
