FRL SIZE 20 pages

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Series 1700

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F.III.M Size2

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Construction and working characteristics

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The modular air service units groups size 2, as the ones of size 1, allow a wide selection of

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combinations.

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The threaded connections are machined directly on the valve body made with light alloy, so that

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each components can be used individually.

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They can be wall mounted with head-guard screws masked by covers.

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The bowls are made of transparent technopolymer, always supplied with shock resistant

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technopolymer protection, allowing the moisture and oil level control from any angle.

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The filter can be equipped with manual or semiautomatic water drain valve; furthermore it's

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possible to install the automatic draining device inside the bowl.

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The pressure regulator handle is lockable in the desired position.

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The lubricator oil flow is adjustable with proper handle and it is visibly checked through the sight

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dome.

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The shut-off valve can be equipped with pad-lock to prevent accidents or damages due to

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unauthorized operation.

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The progressive start-up valve, pneumatically or electropneumatically controlled, allows air

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supply to the circuit progressively and with adjustable time.

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Some accessories like the wall fixing bracket, pressure gauges with different scales and

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diameters, air intake block that assembled between the elements allows to get in the system

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filtered or filtered non-lubricated air, are completing the range.

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Instruction for installation and operation

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Pay attention to install a group or a single component with air flow direction according to the

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arrows and to the following sequence: filter, pressure regulator, lubricator and with bowls

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downwards. It's possible to fix the group to the wall by removing the covers, which can be installed

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again for covering the screw after fixing.

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Do not exceed the recommended torque while assembling the connectors.

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Do not exceed the recommended air pressure and temperature limits.

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The moisture should not exceed the level marked on the bowl and it can be drawn off and carried

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away by a flexible tube of 0 6/4 directly connected to the discharge valve handle.

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The pressure should be set from minimum to maximum, rotating the adjusting handle clockwise.

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As lubricant, we suggest to use oil class FD22 or HG32. Verify that the lubricator is not fed with a

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flow lower than the minimum operational.

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To set the oil flow rotate the proper adjusting handle in order to get one drop of oil every 300-600

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liters of air.

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The oil flow will be kept automatically and proportionally to the air flow.

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The oil can be refilled by mean of proper plug or directly into the bowl after having de-pressurized

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the system. Do not exceed the maximum level indicated on the bowl.

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For opening the shut-off valve push and rotate clockwise the operating handle. For closing it and

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consequently discharging the down stream line, rotate the handle counter-clockwise.

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