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.
1. Product Specific Precautions 1 Precautions 1 Be sure to read before handling. Design Warning ●All models 1. The body material is A6063, the bellows is SUS316L, and other metal material is SUS304. The seal material for vacuum environment is FKM. The armature assembly for vacuum uses fluorine type resin (PFA).
Maintenance Warning If the fluid or reaction product (deposit) may cause the valve to become unsafe, the valve should be disassembled, cleaned and re-assembled by an operator who has sufficient knowledge and experience (e.g. a specialist). Caution 1. When removing deposits from the valve, take care not to damage any part of the valve. 2.
2. Product Specific Precautions 2 Precautions 2 Be sure to read before handling Maintenance Parts Caution SMC specified parts should be used for maintenance service. Maintenance can be done without removing a pipe. Remove the four hexagon socket head cap screws on the top of the cover. When the sealant is replaced, be careful not to give a flaw on the sealing face such as a body.
3. Specifications Table 1 Valve specifications Model XLS-16 XLS-25 XLS-16-P*G XLS-25-P*G Flange (valve) size Actuating type Normally closed (N.C.) Fluid Vacuum of inert gas Operating temperature 5 to 40 Exhausting direction Free Operating pressure Pa 1×10 (absolute pressure) to 0.1MPa (G) Conductance l/s Note 1 1.3 x 10 Internal...
4. Construction / Operation Retainer Coil assembly Control power supply (maintenance service part) Core assembly (maintenance service part) Armature assembly (maintenance service part) Cover Core O-ring external seal 3- 1 (maintenance service part) Bonnet O-ring external seal 3- 2 (maintenance service part) Spring Bellows Valve...
6.Period and Scope of Warranty The waranty period is 0.5 million cycles (under SMC’s endurance test conditions), 1 year in service or within 1.5 years after delivery, whichever comes first. If the valve has been used outside of the specifications, or if a failure occurs as a result of mounting onto a machine or replacement of an assembly, seals, or etc.
7.Parts Replacement Procedure 7-1. Precautions Be sure to adhere to the instructions given in “1. Precautions 2“, when disassembling the product for maintenance. Along with the precautions listed in Chapter 2, the user should comply with those listed below. Warning ...
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7-2. Replacement Procedure 1:Replacementof coil 2:Replacement of other parts assembly Procedure 1 Procedure 2 core Wave washer ウェーブワッシャ Retainer ③ ① ② カバー Cover Pull out ④ Core assembly コアAss'y Core O-ring コアOリング Armature アーマチャAss'y assembly ボンネットOリング Bonnet O-ring Pull out the retainer to the Parts excepting the wave washer and the cover are the service side with the coil assembly...
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