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Summary of Contents for SMC Networks AR20MK Series
- Page 1 Doc. No. AR-OMY0028 PRODUCT NAME Common Supply Regulator MODEL / Series / Product Number AR20M(K)-(F,N)(0101,0201,0202)(B,E,E1,E2,E3,E4,G,H,M)(-1,N,Y,Z,ZA)-D AR30M(K)-(F,N)(0202,0302)(B,E,E1,E2,E3,E4,G,H,M)(-1,N,Y,Z,ZA)-D AR40M(K)-(F,N)(0302,0303,0402,0403)(B,E,E1,E2,E3,E4,G,H,M)(-1,N,Y,Z,ZA)-D...
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Page 2: Table Of Contents
Contents Page 2～6 1. Safety Instructions 2. Application 3. Standard Specifications 4. How to Order 5. Options 6. Structural Drawing and Replacement Parts 7. Assembly of Optional Parts 8. Operation and Adjustment 13～14 9. Trouble Shooting 15～19 10. How to Replace the Components 10-1. -
Page 3: Safety Instructions
Common Supply Regulator Safety Instructions These safety instructions are intended to prevent hazardous situations and/or equipment damage. These instructions indicate the level of potential hazard with the labels of “Caution,” “Warning” or “Danger.” They are all important notes for safety and must be followed in addition to International Standards (ISO/IEC) , and other safety regulations. - Page 4 Common Supply Regulator Safety Instructions Caution The product is provided for use in manufacturing industries. The product herein described is basically provided for peaceful use in manufacturing industries. If considering using the product in other industries, consult SMC beforehand and exchange specifications or a contract if necessary.
- Page 5 Precautions for Design Warning (1) Polyacetal resin parts are used for the exterior. Organic solvents including thinner, acetone, alcohol and ethylene chloride; chemicals including sulphuric acid, nitric acid and hydrochloric acid; cutting oil, synthetic oils, ester-based compressor oil, alkali, kerosene, gasoline, and thread lock solutions are harmful.
- Page 6 Adjustment Warning (1) Adjust the set pressure ensuring correct inlet and outlet pressures. Turning the knob excessively can cause damage to the internal parts. (2) Operate the knob by hand. Tools may break the knob. Caution (1) For the product with a pressure gauge, do not apply pressure exceeding the maximum scale of the pressure gauge in order to protect the gauge.
- Page 7 Air Supply Warning (1) Use clean air. Do not use compressed air containing chemicals, organic solvent, synthetic oil or corrosive gas as it may be cause of breakage of components or operation failure. (2) Air containing too much moisture may cause malfunction. Install an air drier or aftercooler before the air combination.
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Page 8: Application
2. Application This product aims at regulating pressure of air lines from common supply. 3. Standard Specifications Model AR20M-D AR30M-D AR40M-D Port size Note 1) Pressure gauge port size Fluid Note 2) -5 to 60°C (with no freezing) Ambient and fluid temperature 1.5 MPa Proof pressure 1.0 MPa... -
Page 9: How To Order
4. How to Order ❶ ❷ ❸ ❹ ❺ ❻ ❼ Common supply ➊ Symbol Description Body size ➋ ● ● ● Without backflow function With backflow Ｋ ● ● ● function With backflow function Ｒc ● ● ● ➌ Ｎ... -
Page 10: Options
5. Options Without pressure gauge/ With square embedded type pressure gauge/ With round type pressure gauge With digital pressure switch Options Piping Part No. Description thread Semi-standard specification type AR20M-D AR30M-D AR40M-D Note 1) － － AR23P-270AS AR33P-270AS AR43P-270AS Bracket assembly －... -
Page 11: Structural Drawing And Replacement Parts
6．Structural Drawing and Replacement Parts Construction/ Common replacement parts Without pressure gauge/ With round type pressure gauge (11) (10) Replacement part Piping Part No. Component Description thread Semi-standard specification type AR20M-D AR30M-D AR40M-D -：Without backflow AR24P-060AS AR34P-060AS AR44P-060AS function Valve assembly －... -
Page 12: Assembly Of Optional Parts
7. Assembly of Optional Parts 7-1. Bracket (Panel mount) Bracket mounting Mount the bracket to the regulator as shown in the picture. Set nut Assemble so that the rotation stopper of the regulator and Knurled face) the bracket are engaged properly. Secure with the set nut Grooves for Ensure that the knurled faces of the bracket and the set... -
Page 13: Operation And Adjustment
8. Operation and Adjustment 8-1. Pressure regulation Knob Orange mark (2) Turning the knob clockwise increases (3) After adjusting pressure, lock (1) Pull the knob in the arrow the outlet pressure. When the knob of the the knob by pushing it in the direction for unlocking, revealing relief type is rotated counterclockwise, arrow direction. -
Page 14: Trouble Shooting 13～14
9. Trouble Shooting Refer to sections [10. How to Replace the Components] (P15-19) and [11. Disassembly Drawing] (P20-21). Problem Page for Possible cause Countermeasure reference Category Failure The pressure 1. Air pressure is not supplied to the Check the supply pressure. Ensure that ―... - Page 15 Refer to sections [10. How to Replace the Components] (P15-19) and [11. Disassembly Drawing] (P20-21). Problem Page for Possible cause Countermeasure reference Category Failure Air leaks from 6. Back pressure exceeding the set Revise the air circuit so that back the bonnet pressure is applied to the pressure does not exceed the set...
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Page 16: Diaphragm Assembly Replacement
10. How to Replace the Products ！ Warning Before replacement, make sure that no pressure remains in the epuipment. Also, make sure to loosen the knob of the regulator so that the set pressure is zero. After replacement, confirm that the product satisfies specific functions and no external leakage occurs before operating it. 10-1. -
Page 17: Valve Guide Assembly And Valve Assembly Replacement
10-2. Valve Guide Assembly and Valve Assembly Replacement Work Applicable Step Tool Criteria model category AR20M Disassembly 1) Remove the cap. Precision AR30M Insert a precision screwdriver (-) between the screwdriver (-) － AR40M body and cap to lift the cap. 2) Remove the cover. -
Page 18: Square Embedded Type Pressure Gauge Replacement
10-3. Square Embedded Type Pressure Gauge Replacement Work Applicable Step Tool Criteria model category AR20M Disassembly Remove the pressure gauge cover. AR30M Rotate the pressure gauge cover 15 degrees in － AR40M the arrow direction (counterclockwise) and pull it out. Remove the pressure gauge. -
Page 19: Plug Assembly Replacement
10-4. Plug Replacement Work Applicable Step Tool Criteria model category AR20M Disassembly Remove the plug by turning anti-clockwise. Hexagon wrench AR30M － (Nominal size: 4) AR40M Assembly Assemble the plug by turning clockwise to the Hexagon wrench Tightening torque: specified tightening torque. (Nominal size: 4) 0.6+/-0.05 N m Note ) Applicable to the product without pressure gauge. -
Page 20: Plug Assembly Replacement
10-5. Plug Assembly Replacement Work Applicable Step Tool Criteria model category AR20M Disassembly Remove the plug assembly. AR30M Remove the 2 mounting screws and remove the Phillips － AR40M plug assembly. screwdriver Assembly Confirm that the O-ring is mounted onto the plug assembly. -
Page 21: Disassembly Drawing
11. Disassembly Drawing 11-1. AR20M-D／ AR30M-D ／ AR40M-D Cross recessed round head screws (4 pcs.) Valve assembly Bonnet Valve spring Pressure regulating screw assembly Valve guide assembly Pressure regulating spring Cover Diaphragm assembly Body -20-... - Page 22 11-2. Disassembly Drawing of the Pressure Gauge Port Note) Refer to the operation manual included in the product with digital pressure switch. (6) Digital pressure switch Mounting screws (2 pcs.) Product (11) Plug assembly O-ring Pressure gauge adapter assembly (10) Plug O-ring (3) Pressure gauge (round type) Mounting screws...
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Page 23: Dimensions
12. Domensions Plate thickness AR20M/30-MD: Max.3.5 AR40-D: Max.5 Square embedded type Round type pressure gauge Digital pressure switch pressure gauge Center of Center of Center of piping piping piping Dimensions Optional specifications Round type Round type Standard specifications Round type Model pressure gauge pressure gauge... - Page 24 Revision history 4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 JAPAN Tel: + 81 3 5207 8249 Fax: +81 3 5298 5362 https://www.smcworld.com Note: Specifications are subject to change without prior notice and any obligation on the part of the manufacturer. © 2019 SMC Corporation All Rights Reserved...
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