CKD EXA Series Instruction Manual

Pilot operated 2- pilot operated 2-port solenoid port solenoid port solenoid valve for compressed air

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Pilot operated 2

Pilot operated 2- - - - port solenoid

Pilot operated 2

valve for compressed air

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Summary of Contents for CKD EXA Series

Page 1 ＳＭ－５０７３７ＳＭ－５０７３７－Ａ－ＡＳＭ－ＳＭ－５０７３７５０７３７－Ａ－ＡＩＮＳＴＲＵＣＴＩＯＮＩＮＳＴＲＵＣＴＩＯＮＩＮＳＴＲＵＣＴＩＯＮＩＮＳＴＲＵＣＴＩＯＮＭＡＮＵＡＬＭＡＮＵＡＬＭＡＮＵＡＬＭＡＮＵＡＬ Pilot operated 2 Pilot operated 2- - - - port solenoid port solenoid Pilot operated 2 Pilot operated 2 port solenoid port solenoid valve for compressed air valve for compressed air valve for compressed air...
Page 2 This product is intended for use in general industrial devices and parts. Use beyond such conditions is not considered. Consult with CKD for details when using the product beyond the unique specification range, outdoors, or in the following conditions or environments. In any case, measures for safety shall be provided when the vavle malfunctions.
Page 3 If any failure for which CKD CORPORATION is recognized to be responsible occurs within the above warranty period, a substitute or necessary replacement parts shall be provided free of charge, or the product shall be repaired free of charge at the plant of CKD CORPORATION. However, the guarantee excludes following cases: ①...
Page 4 ＳＭ－ＳＭ－５０７３７ＳＭ－ＳＭ－５０７３７５０７３７－Ａ５０７３７－Ａ－Ａ－Ａ【【【【 Contents Contents Contents 】】】】 Contents １１１１．．．． Unpacking Unpacking Unpacking Unpacking ………………4 ２２２２．．．． Installation Installation Installation Installation...
Page 5 (3) When storing the product, keep the product inside the packing box to prevent the intrusion of foreign matter to the valve. Take out the valve when piping. ２. Installation Contact CKD if the product is to be used beyond specifica- WARNING WARNING...
Page 6 ＳＭ－５０７３７ＳＭ－５０７３７－Ａ－ＡＳＭ－ＳＭ－５０７３７５０７３７－Ａ－Ａ２．２ Installation Do not fix the product by the piping (tube). CAUTION CAUTION CAUTION CAUTION ・Fix the Main Body firmly. (1) Provide enough space around the product to enable installing, detaching, maintenance, and piping work.
Page 7 ＳＭ－５０７３７ＳＭ－５０７３７－Ａ－ＡＳＭ－ＳＭ－５０７３７５０７３７－Ａ－Ａ２．３ Piping Before using the product, confirm that the tubes are inserted WARNING WARNING WARNING WARNING firmly into the push-in fitting until they hit the end, and that the tubes do not come off. ・Otherwise, the tube will come off and hop wildly when pres- sure is applied, resulting in accidents.
Page 8 ＳＭ－５０７３７ＳＭ－５０７３７－Ａ－ＡＳＭ－ＳＭ－５０７３７５０７３７－Ａ－Ａ (4) Tube bending radius Tube bending shall be over the minimum bending radius. Otherwise, tubes may come off or leak. Minimum bending radius mm Tube diameter Nylon Urethane φ6 φ8 φ10 φ12 (5) Cutting the tube...
Page 9 ＳＭ－５０７３７ＳＭ－５０７３７－Ａ－ＡＳＭ－ＳＭ－５０７３７５０７３７－Ａ－Ａ２．４ Wiring Read this instruction manual thoroughly and understand the WARNING WARNING WARNING WARNING contents before wiring the product. ・You need to understand the structure and the operation prin- ciple of the solenoid valve. You additionally need knowledge to secure safety.
Page 10 ＳＭ－５０７３７ＳＭ－５０７３７－Ａ－ＡＳＭ－ＳＭ－５０７３７５０７３７－Ａ－Ａ Wiring the DIN terminal box type <1> Disassembly Loosen Screw ①, and pull Cover ② in the direction of Screw ① to detach the DIN terminal box from Coil Assembly ⑫. Pull Screw ① out of Cover ②. There is a notch ⑨...
Page 11 ＳＭ－５０７３７ＳＭ－５０７３７－Ａ－ＡＳＭ－ＳＭ－５０７３７５０７３７－Ａ－Ａ <2> Connection 1) Preparation ・Applicable outer diameter dimension for cable ⑦ is VCTF (two or three cores) (φ3.5 to 7) defined in JIS C3306. ・Cable sheath peeling length is 10 mm. ・Both stranded wire and single wire can be connected.
Page 12 ＳＭ－５０７３７ＳＭ－５０７３７－Ａ－ＡＳＭ－ＳＭ－５０７３７５０７３７－Ａ－Ａ 3. Pre-operation (post-installation) check ３．１ Appearance check Stop the flow of the fluid （shut the supply）. WARNING WARNING WARNING WARNING Discharge the fluid inside the product. Cut off the electricity. (1) Confirm that the valve is fixed firmly.
Page 13 ＳＭ－５０７３７ＳＭ－５０７３７－Ａ－ＡＳＭ－ＳＭ－５０７３７５０７３７－Ａ－Ａ 4. Instructions for proper use ４．１ About air quality a) Do not supply fluids other than compressed air. CAUTION CAUTION CAUTION CAUTION b) Use clean compressed air that is free of corrosive gas. ｃ）...
Page 14 ＳＭ－５０７３７ＳＭ－５０７３７－Ａ－ＡＳＭ－ＳＭ－５０７３７５０７３７－Ａ－Ａ４．２ About surge absorber The surge absorber attached to the solenoid valve protects the out- put contact by which the solenoid valve is driven. CAUTION CAUTION CAUTION CAUTION The surge absorber cannot protect other peripheral equipment; other peripheral equipment may be affected by the surge (break, malfunc- tion).
Page 15 ＳＭ－５０７３７ＳＭ－５０７３７－Ａ－ＡＳＭ－ＳＭ－５０７３７５０７３７－Ａ－Ａ If other solenoid valves or equipment is connected parallel to a sole- noid valve, reverse voltage surge generated at OFF is applied to CAUTION CAUTION CAUTION CAUTION those valves and equipment. Even for a DC24V solenoid valve with a surge absorber, surge voltage will reach several tens of negative volts.
Page 16 ＳＭ－５０７３７ＳＭ－５０７３７－Ａ－ＡＳＭ－ＳＭ－５０７３７５０７３７－Ａ－Ａ This product is a pilot operated solenoid valve which uses pressure difference between the valve primary and secondary sides to open and close the valve. Therefore, pressure differ- ence (⊿P=P1-P2) not less than 0.01 MPa is needed to keep the valve open for sure. If ⊿P is short, diaphragm in the valve may vibrate and result in early breakage.
Page 17 Refer to “3. Pre-operation check” for contents of inspection. ５．２ Parts for maintenance We do not provide maintenance parts. Please contact CKD or your nearest agent if the product shows abnormalities such as leak or malfunction while use. ― 16 ―...
Page 18 Internal leakage Sealing side of the Diaphragm is Replace the product. worn out or has flaw. Foreign matter is stuck on the Replace the product. valve seat. Please contact CKD or your nearest agent for any unclear points. ― 17 ―...
Page 19 ＳＭ－５０７３７ＳＭ－５０７３７－Ａ－ＡＳＭ－ＳＭ－５０７３７５０７３７－Ａ－Ａ Product specification and model number display 7．１ Product specification Model １．Valve structure Pilot operated 2 port solenoid valve, normally closed ２．Withstanding pressure (wa- 1.05 ＭＰa ter) Compressed air Fluid （JIS B 8392-1:2003 Compressed air purity class：2.6.3） Fluid tempera- 0 to 55 ℃...
Page 20 ＳＭ－５０７３７ＳＭ－５０７３７－Ａ－ＡＳＭ－ＳＭ－５０７３７５０７３７－Ａ－Ａ 7．２ Model number display ＥＸＡ－□□－□□□□－□ ③ ④ ⑤ ② ① ⑤Code for voltage ④Code for other options ③Code for coil option ②Code for sealing material ①Code for applicable tube outer diameter ①Code for applicable tube outer diameter Code Tube outer diameter...
Page 21 ＳＭ－５０７３７ＳＭ－５０７３７－Ａ－ＡＳＭ－ＳＭ－５０７３７５０７３７－Ａ－Ａ 8. Internal construction （Figure shows the lead wire type） ① ⑦ ② ③ ⑧ ④ ⑨ ⑤ ⑥ Part name Material Lead Wire Cover Lead Wire Bushing Pilot Valve Assembly －...
Page 22 ＳＭ－ＳＭ－ＳＭ－ＳＭ－５０７３７５０７３７５０７３７５０７３７－Ａ－Ａ－Ａ－Ａ 9. Operation explained Ａ ③ ⑦ Ｂ ⑤ Ｃ Open Closed （1） Opening operation （2） Closing operation Energizing Pilot Valve Assembly ③ switches De-energizing Pilot Valve Assembly ③ pilot flow path A in the Pilot Valve Assembly, switches pilot flow path A in the Pilot Valve which flows air inside pilot chamber B through the Assembly, which flows air into pilot chamber B.

CKD EXA Series Instruction Manual

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