PNEUMAX – Electric pilot CNOMO (coil not included)

PNEUMAX – Electric pilot CNOMO (coil not included) General 

Mechanics with base for solenoid to be used where an electric pilot system is required.May be used on all sizes and is standardized as an interface on the distributor.

The base is fitted with a manual control which is pulse actuated, without check, or with two stable positions, actuated by means of a screwdriver (pressing down and turning clockwise by 90°).

Two different types of solenoids can be mounted on the stem, one in conformity with ISO standard size 30×38 and ISO 4400 (DIN 43650) electrical connection, and a compact one size 22×27, having the same performance but at lower price.

The technical characteristics of the latter are described in the catalogue, series 300, and refer to MB solenoids. The base is fitted with screws (M4x30) for fastening to the distributor.

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• Maintenance practices for these valves are similar to those already detailed for other products – replacement of the plunger or poppet is not advisable since the new replacement would not provide the best fit with the rest of the already used valve.
• Special care should be taken that no dirt is accumulated between the working surface of fixed cores 3 and the plunger 2 which would result in vibrations and overheating of the solenoid. In the case of microsolenoid it must be assured that the alternate current coil is not charged when the mechanical part is not mounted to avoid destruction of the coil.
• The electrical connections have to be perfect, especially where low currents are used (12-24 V). Oxidation of contacts between the connector and the coil can lead to intermittent malfunctions which are difficult to trace. Oxidation of contacts due to humidity or corrosive atmosphere are one of the most common causes of false alarms. Clean the contacts with appropriate spray.