SINCLAIR INTERNATIONAL
PSI Model 23 Synchronized Reciprocator
ECONOMIC SOLUTION TO SYNCHRONIZED SHOWERING


Constructed For Great Reliability and Longer Service

The Model 23 derives its operation from a rolled thread lead screw and a recirculating ball nut fully enclosed in a stainless steel casing.  The stainless steel push rod is concentric to the screw unit.  The drive to the lead screw is direct from a reversible 72 RPM synchronous AC motor with no intermediate gearing.  The motor and control sensors are fully enclosed in the stainless steel housing at the rear of the screw casing.

The Sinclair Model 23 reciprocator is a single self-contained, linear electric reciprocator requiring only the connection of the power supply to complete its installation.  All wetted parts are manufactured in stainless steel, reflecting its intended use in paper mills.

FEATURES

Step Operations

The Model 23 electric system starts and stops 5 times each revolution.  At each operation the push rod advances .040" and waits for the next start command.
All controls are solid state, eliminating any problems associated with electro mechanical switching.
The unit is capable of producing a high dynamic thrust, but even if stalled due to external axial overload, the mechanism and motor drive are unlikely to suffer damage.

 

Variable Speed

The reciprocator speed is factory or field adjustable, and is accomplished by "DIP" switch selection.  The standard range is 0.2 to 6.0 inches per minute in 0.2 inch increments.
The "Slo-Mo" speed is 0.02 to 0.60 inches per minute.
A "Super-Slo" range is also optionally available.  The "Super-Slo" range is 0.002 to 0.06 inches per minute.

Adjustable Stroke

The reciprocator is available in two forms.  One has a maximum stroke length of 6" and the second has a maximum stroke length of 12".  The standard selectable stroke lengths in the 6" model are 2", 3", 4" and 6".  The standard selectable stroke lengths in the 12" model are 3", 4", 6" and 12".  Other stroke choices are available in multiples of full 1" as an option.

Loss of Motion Detector

Senses failure of lost motion.  Customer usable 2 amp voltage free contacts (1 N.O. or 1 N.C.) are provided.

OPERATION
Electrical Connections

All electrical connections are to be made by the customer.  Only 120/1/60-5 amp power supply is required.  Connections are the single phase power supply and the alarm (or interlock) contacts.

Force

The Model 23 reciprocator will produce more force than required to reciprocate a properly installed 2", 2.5" or 3" shower in good operating condition.

Maintenance Advantages

The Model 23 uses sealed bearings and has no oils which require regular changing.  Only an annual lubrication is required.

Available Options

The Model 23 in its standard form can be factory or field set to cover a wide range of requirements.  We recognize there may be applications outside these specifications, and Sinclair engineers are always available to consider and discuss alternative options.


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Last modified: March 10, 2007