Contents 1. Safety Instructions 2. Specific Product Precautions 5-10 3. Specifications 11-12 4. Troubleshooting 5. Construction 13-14 6. Spare Parts 7. Made to Order - 2 -...
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.
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Safety Instructions Caution 1. 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. If anything is unclear, contact your nearest sales branch.
2. Specific Product Precautions Design/Selection Design/Selection (3) Do not use fluids other than listed on the Warning specifications. (1) Confirm the specifications. Applicable fluids are air, N and water. Please Products presented in this manual are consult with SMC if using other fluids. designed only for use in compressed air (4) When it is used with water, the fittings or systems (including vacuum).
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Mounting/ Piping Air Supply Caution (4) Use clean air. Do not use compressed air that contains (4) When connecting the tubing, take pressure chemicals, synthetic oils that include organic or possible changes to the tubing length solvents, salt, corrosive gases, etc., as they can into account, and allow a sufficient margin.
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Mounting/Piping of Miniature Fittings Operating Environment Piping Warning (7) Do not use in an environment where the Tubing Connection and Removal product is directly exposed to cutting oil, Caution lubricant or coolant oil, etc. Please contact SMC if using for an (1) Applicable tubing size - φ2 environment exposed to cutting oil, lubricant or a) Connection of tubing...
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Number of tightening Install/ removal of tube Thread Model rotations M-3AU-2 Approx. 1/6 rotations Caution M-3AU-□ (Except M-3AU-2) b) Removal of tubing Approx. 1/4 rotations 1. Withdraw the sleeve straight along the tubing. M-3N Use a tool such as long-nose pliers if it is M-3P difficult to pull out by hand.
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Tightening tool Recommended Piping Conditions (1) When connecting piping to the fitting, use Caution pipe length with sufficient margin, in Recommended No good accordance with the piping conditions shown in Fig. 1. Also, when using a tying band, etc., to bind the piping together, make sure that external force does not come to bear on the fitting (See Fig.2).
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Recommended Piping Conditions Tubing Caution Design/Selection Caution (1) When using a tubing other than from SMC, be careful of the tolerance of the tubing O.D. and tubing material. a) Nylon tubing ±Within +/-0.1 mm b) Soft nylon tubing ±Within +/-0.1 mm c) Polyurethane tubing Within +0.15 mm, Within -0.2 mm...
3. Specifications (1) Applicable tubing size - φ2 Specification Tubing material Polyurethane Note3) Note 1) Note2) Fluid Air, N , water Note 4) Max. operating pressure 1 MPa -5 to 60 C (No freezing) Ambient and fluid temperature Water: 0 to 40 C (No freezing) Note 1) The surge pressure must be under the maximum operating pressure.
4. Troubleshooting M series miniature fitting cannot be disassembled or repaired in order to quality maintenance. When failure such as "Insufficient sealing" occurs, please replace the whole product.