The first choice of heavy-duty concrete product producers, Praschak Horizontal Shaft Mixers are recognized for their quality output and durable, long life operation. Now available with spiral blades or paddles for wet or dry materials.

Mixing Tank

• 1/4” drum wall on Models 8, 16, 21 and 30
• 5/16” drum wall on Models 54 and 81
• 1/2” end plates on Models 8, 16, 21, 30 and 54
• 3/4” end plates on Model 81
• 3” drain in center of tank bottom

Liners

• Cast ni-hard drum liners
• Abrasion resistant steel side liners
• All are replaceable, bolted segments

Shaft Assembly

• Cast NI-Hard mixing paddles (or spiral blade)
• Abrasion resistant steel side wipers
• Replaceable wear guards for shaft
• Sealed, self-aligning pillow block bearings
• Lubrication cup with visual level indicator and spring-operated feeder for proper lubrication

Shaft Seals

• Primary double-labyrinth seal and secondary “cat” seal
• Split construction for field servicing
• Both seals are purged with “Vellox 3” grease
• 4-point remote lubrication panel

Drive Train

• Drive Train
• Shaft mounted reducer on Models 8, 16, 21 and 30
• Planetary transmission on Models 54 and 81
• Belt-driven input
• Output shaft coupled directly to mixer shaft

Discharge Door

• Located in rear of drum with a rubber door seal
• Air cylinder operated linkage with discharge valve
• Flow control valve for speed adjustment
• Air line lubricator and moisture trap

Mixer Cover

• Steel top cover lid
• Dual hinged access doors in front and back of mixer
• Doors include ‘doors closed’ interlock switches
• Doors and top cover are gasketed for dust containment

Paint

• One color, high grade machinery enamel