Overall dimensions and technical information are provided solely for informative purposes and may be modified without notice Valves and solenoid valves poppet system Series 700 - For compressed air and vacuum 1 Air distribution 1 | 208 Series 700 - For compressed air and vacuum General The large flow valves and solenoid poppet valves for compressed air and vacuum. Are manufactured for 3/2 and 2/2 versions only, either normally close and normally open. For the compressed air oparation, the application is similar to the equivalent spool valves while for the vacuum operation a particular attention should be paid to the valve selected and its connection to the pump. For the electric pilot it is used a normal miniature solenoid M2 with pneumatic actuator and the special miniature solenoid M2/V with vacuum. The ordering code are referring to the solenoid valves with mechanics "M2" or "M2/V" assembled. Coil are not included and have to be ordored separately (see Series 300). Coil homologated are available (see 300 Series). Construction characteristics G 3/8" G 1/2" - G 3/4" G 1" G 1 1/2" Body Aluminium Zinc alloy Aluminium Aluminium Actuators NBR Bottom plates Aluminium Springs Stainless steel Actuators rod Stainless steel Pistons Aluminium Piston seals NBR Use and maintenance These valves have a mean life of 10 to 15 million cycles under normal operating conditions. Lubrication is not required for good operation but we recommend good filtration to avoid dirty deposit causing malfunction. Please ensure that the valve is being used according with the manufacturers specification, such as air pressure and temperature. The exhaust port of the distributor has to be protected in a dusty and dirty environment. For these products, according to the construction technique and special application, is not required any maintenance with parts replacement. When necessary it is sufficient to clean the internal parts. When it is used the solenoid valves with internal pilot, either for air or vacuum, inlet flow rate must be equal or higher that the required consumption flow rate. Otherwise is better choose the external pilot version.
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