Summary of Contents for omal automation AGO DA2880
Page 1
“DA” DOUBLE ACTING VERSION “SR” SPRING RETURN VERSION INSTRUCTION MANUAL SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 OMAL S.p.A. Headquarters: Via Ponte Nuovo, 11 - 25050 Rodengo Saiano (BS) Italy • Production Site: Via Brognolo, 12 - 25050 Passirano (BS) Italy +39 030 8900145 •...
Page 2
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 INDEX: Pag. GENERAL FEATURES WORKING CONDITIONS OPERATION AND ROTATION DIRECTION SAFETY INFORMATION INSTALLATION INSTRUCTIONS MATERIALS AND THEIR DURABILITY MAINTENANCE SPECIAL VERSIONS STORAGE TROUBLESHOOTING DISPOSAL OF PRODUCTS AT THE END OF THEIR LIFE CYCLE DECLARATION OF CONFORMITY Environmentally friendly: under the green leaf icon you can find the instructions for a correct and environmentally friendly handling of the product.
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 Below you will find the safety instructions, the minimum information for storage / warehousing, the installation, the commissioning, the maintenance and the instructions for disposal of products at the end of their life cycle for the following pneumatic actuators: A) DOUBLE ACTING PNEUMATIC ACTUATORE SERIES DA2880-DA3840-DA5760-DA8000 B) SPRING RETURN PNEUMATIC ACTUATORE SERIES SR1440-SR1920-SR2880-SR4000 Where provided, the actuators are marked in accordance with the applicable EX regulations.
Page 4
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 Note: different working conditions such as: air pressure, the sizes of pipe connection, of the filters and of the solenoid valves, may change the maneuver timing. OMAL S.p.A.
Page 5
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 Note: different working conditions such as: air pressure, size of fitting connections, filters and solenoid valves can change the opera- ting times. OMAL S.p.A. Headquarters: Via Ponte Nuovo, 11 - 25050 Rodengo Saiano (BS) Italy • Production Site: Via Brognolo, 12 - 25050 Passirano (BS) Italy +39 030 8900145 •...
Page 6
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 g. Lubrification. The actuators are lubricated, for normal working conditions, in the company. For maintenance or reassembly operations, OMAL S.p.A. recommends the use of a lubricant such as TECNOLUBE SYNTHY POLYMER 402 or equivalent. h.
Page 7
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 3) OPERATION AND ROTATION DIRECTION a. Double acting. The actuator pistons are mounted as shown in the figure below. This provides the maximum torque at the beginning of valve opening, for valves that close in a clockwise direction.
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 TYPICAL CONNECTION LAYOUT Actuator positioning and rotation direction The positioning and the rotation direction of the actuator, to ensure a maximum opening torque, must be in conformity with the stan- dard EN 15714-3 point 4.5.4 and the valve coupling according to the EN ISO 5211standard.
Page 9
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 To lift the actuator without damaging it, see the below image. Use only belts with 400kg minimum load Bracing points designed for lifting the actuator only Prior to installation verify that valve and actuator comply with the safety standards described above.
Page 10
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 B) INSTALLATION WITH CONNECTION PLATE In the cases where a direct installation is not possible, due to small differences between the actuator and valve flanges and/or shafts, it’s possible to carry out the installation with a connection plate for easy positioning and of appropriate sizing.
Page 11
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 Actuators DA3840 - DA5760 - DA8000 FOREWORD The adjustment of the actuator is possible in both open and closed positions. By operating on the adjusting center block (A) the opening can be adjusted, while the closing can be adjusted by turning the two screws (B) ATTENTION Any type of adjustment must always be carried out when the actuator chambers are not pressurized.
Page 12
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 Shaft Open valve adjustment Central chamber supply hole External chambers supply hole 1) Make sure that both chambers are pressurized 2) Unscrew the protection cap completely 3) Rotate the screw (2) in a clockwise direction if you want to increase the opening angle, in a counter-clockwise direction if you want to decrease such angle 4) Put cap back on and tighten it (1) making sure that also the screws and the side nuts are tightened correctly...
Page 13
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 Shaft Closed valve adjustment Internal chamber (central) supply hole External chambers supply hole 1) Make sure that both chambers are not pressurized 2) Loosen the lock nuts (3 and 4) 3) Rotate the screws (5-6) in a clockwise direction if you want to decrease the closing angle, in a counter-clockwise direction if you want to increase such angle (both screws must be rotated of the same amount) 4) Tighten the nuts (3-4)
Page 14
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 ACTUATOR DA 2880 The adjustment of the actuator is possible in both open and closed positions. It can be adjusted by turning the side screws (A-B) ATTENTION Any type of adjustment must always be carried out when the actuator chambers are not pressurized The chambers can be pressurized, to check the adjustment, only when the side screws are correctly tightened.
Page 15
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 Shaft Open valve adjustment Central chamber supply hole External chamber supply hole 1) Make sure that both chambers are not pressurized 2) Loosen the lock nut (1) 3) Rotate the screw (2) clockwise to decrease the opening angle, in a counter clockwise direction to increase such angle 4) Tighten the lock nut 5) Power up the actuator and operate it...
Page 16
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 Shaft Closed valve adjustment Central chamber supply hole External chamber supply hole 1) Make sure that both chambers are not pressurized 2) Loosen the lock nut (3) 3) Rotate the screw (4) clockwise to decrease the closing angle, in a counter clockwise direction to increase such angle 4) Tighten the lock nut (3) 5) Power up the actuator and operate it...
Page 17
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 ACTUATORS SR1920 - SR2880 - SR4000 FOREWORD The adjustment of the actuator is possible in both open and closed positions. By operating on the adjusting center block (A) the closing can be adjusted, while the opening can be adjusted by turning the two screws (B).
Page 18
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 OPEN VALVE ADJUSTMENT Internal chamber (central) supply hole 1) Make sure that both chambers are not pressurized 2) Loosen the lock nuts(3-4) 3) Rotate the screws (5-6) in a clockwise direction if you want to decrease the opening angle, in a counter-clockwise direction if you want to increase such angle (both screws must be rotated of the same amount) 4) Tighten the lock nuts (3-4) 5) Pressurize the internal chamber with the least pressure enough for the movement of the internal pistons (it can be seen precisely...
Page 19
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 Shaft CLOSED VALVE ADJUSTMENT Internal chamber (central) supply hole 1) Pressurize the internal chamber (central) with the least pressure enough for the movement of the internal pistons (it can be noticed from the outside due to the partial rotation of the shaft) 2) Unscrew the safety cap completely (1) 3) Rotate the screw (2) in a clockwise direction if you want to increase the closing angle, in a counter-clockwise direction if you want...
Page 20
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 ACTUATOR SR1440 FOREWORD The adjustment of the actuator is possible in both open and closed positions. By turning the side grub screw (A) the closing can be adjusted, while the opening can be adjusted by turning the side screw. ATTENTION The adjustment and checking must always be carried with low pressure (the least pressure enough for the movement) The chambers can be pressurized, to check the adjustment, only when the side screws are correctly tightened.
Page 21
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 OPEN VALVE ADJUSTMENT Internal chamber (central) supply hole 1) Make sure that both chambers are not pressurized 2) Loosen the lock nut (3) 3) Rotate the screw (4) in a clockwise direction to decrease the opening angle and in a counter clockwise direction to increase such angle 4) Tighten the lock nut (3) 5) Pressurize the internal chamber with the least pressure enough for the movement of the internal piston (it can be noticed from the...
Page 22
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 Shaft CLOSED VALVE ADJUSTMENT Internal chamber (central) supply hole 1) Pressurize the internal chamber with the least pressure enough for the movement of the internal piston (it can be noticed from the outside due to the partial rotation of the shaft) 2) Loosen the lock nut (1) 3) Rotate the screw (2) in a clockwise direction to decrease the closing angle and in a counter clockwise direction to increase such...
Page 23
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 6) MATERIALS AND THEIR DURABILITY The OMAL S.p.A. actuators are designed to have minimal maintenance-free resistance, in accordance with EN 15714-3, as shown in the following table: Nominal Torque (a) Least number of cycles expected for Least cycle rate from 0-90°...
Page 24
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 COMPONENTS OF DOUBLE ACTING PNEUMATIC ACTUATOR SIZE: DA2880 MATERIALS Description Description Description Yoke Scotch yoke Steel bush Shaft bearing/support Steel pin O-ring Body Upper support O-ring O-ring External support ring...
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 7) MAINTENANCE The OMAL SpA actuator, when installed and used properly, does not require maintenance, under normal use, as it’s provided with sufficient lubrication for standard duration. Send the actuator directly to OMAL S.p.A.
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 10) TROUBLESHOOTING POTENTIAL EFFECT OF FAILURE POTENTIAL CAUSE OF FAILURE SOLUTION Verify that the actuator has been Lack of supply connected correctly Verify that the supply pressure value Loss or reduction of the supplied Air supply not enough to produce the corresponds to the functioning...
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 12) DECLARATION OF CONFORMITY The OMAL S.p.A. actuators have been designed, manufactured and tested to meet the requirements of the following European stan- dards and are marked, where provided, with the relative CE conformity marking: - 2006/42/EC Directive “Machinery”;...
Page 34
INSTRUCTION MANUAL AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR DA2880 - DA8000 - SR1440 - SR4000 ADDENDUM TO THE USER’S MANUAL AND OPERATING INSTRUCTIONS FOR UK MARKET UKCA REGULATIONS COMPLIANCE The following UK standards are applied to the products for UK market: The Equipment and Protective Systems Intended for Use in U.K.
Need help?
Do you have a question about the AGO DA2880 and is the answer not in the manual?
Questions and answers