Clemco SMS Clemlite Silicon-Carbide Lined Long Venturi Style Contractor Thread 1 inch Entry Rubber Jacketed Sandblast Nozzle

SMS Clemlite Silicon-Carbide Lined Long Venturi Style

Blast nozzle with venturi shaped Clemlite® silicon-carbide liner, rubber jacket, aluminum or brass threads. Thread size and entry dimensions vary with nozzle series. Includes one nozzle washer.

Purpose

A blast nozzle accelerates the air and abrasive as the mixture exits the end of the hose. The taper and length of the nozzle’s inlet and outlet determine the pattern and velocity of the abrasive exiting the nozzle. The composition of the liner material determines its resistance to wear

Requirements for Operation

Nozzles are sized by the diameter of their orifices (the narrowest inside diameter) in 1/16-inch increments. A No. 2 nozzle has a 2/16-inch (1/8-inch) orifice, a No. 3 nozzle has a 3/16-inch orifice, etc. The size of the nozzle orifice determines abrasive and air consumption. Air consumption is measured in cubic feet per minute (cfm) at a given pressure. 

When choosing a nozzle, consider the amount of available air in cfm, the capacity of the blast machine and the inside diameter of the piping, and the blast and air hoses. For optimal performance, these elements must be compatibly sized. 

If too large a nozzle for the compressor is used, low blast pressure will occur. If too large a nozzle for the blast hose is used, rapid wear on the blast hose will occur. If too small a nozzle is used, smooth media flow will be difficult to achieve.

Description of Operation

The operator inserts the nozzle washer into a holder and screws in the nozzle, turning it by hand, until it seats firmly against the washer.

With all related equipment correctly assembled and tested, the operator points the nozzle toward the surface to be blasted and presses the remote control handle to begin blasting. The operator holds the nozzle and moves it smoothly at a rate that produces the desired cleanliness. Each pass should overlap slightly.

The operator must replace the nozzle once the orifice wears 1/16-inch beyond its original size

Advantages

• Long-venturi nozzles allow high production blasting at a distance of 18 to 24 inches for hard-to-clean surfaces, and 30 to 36 inches for loose paint and soft surfaces.
• Expected life with expendable abrasives is approximately 500 hours
• Durable rubber jacket
• 1-inch entry provides smooth transition and maximum productivity with 1-inch ID blast hose
• 1-1/4-inch entry ensures maximum productivity with 1-1/4-inch ID blast hose

Packaging: Boxed individually

Note: Best performance is obtained when sizes of nozzle, blast machine piping, blast hose and air hose are properly matched.

• Cfm range is based on blasting at 100 psi for the life of the nozzle.
• Blast machine capacity should allow 20 to 30 minutes of blasting.
• Hose ID should be three to four times the size of the nozzle orifice.

Chart shows air consumption in cubic feet per minute (cfm), abrasive consumption in pounds per hour and cubic feet per hour for abrasives weighing 100 pounds per cubic foot, and compressor horsepower (hp) based on 4 to 4.5 cfm per horsepower.

NOTE: Air consumption may vary depending upon working conditions. To maintain desired air pressure as nozzle orifice wears, air consumption increases. The effects of nozzle wear on air consumption must be considered when selecting nozzles and the compressors that support them.

When using nozzles with orifices 3/8- inch or larger, blast machine valves and piping must be 1-1/4-inch or larger to provide sufficient air volume.

Note: For safe, efficient blasting, read and follow the owner’s manual and seek training for everyone who will use this equipment.