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PPG - SEMCO® Model #285-P Mixer Portable Timer Semi Automatic Mixer - Pneumatic Power
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Please allow 2-3 business days to process the order. If the item is listed as Out of Stock, lead time is 2-4 weeks
PPG Semco® Model 285-P Semkit® Package Mixer Timer — Semi-Automatic Mixing with Built-In Bell Timer | Pneumatic Power
Mix with precision and ease — every time. Fully pneumatic semi-automatic performance engineered to deliver consistent, uniform results while reducing operator fatigue.
At a Glance
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Model 285-P
Model Number
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Pneumatic
Power Source
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135-145 RPM
Operating Speed
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Bell Timer
Cycle Alert
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Technical Specifications
How It Works
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💨
Step 1
Connect Compressed Air
Connect clean, dry compressed air supply to the pneumatic inlet — the drive spindle engages and begins rotating the mixing rod automatically at 135-145 RPM |
🔄
Step 2
Rotating Dasher Blends
The rotating dasher thoroughly blends materials throughout the cartridge — ensuring a consistent, uniform mix with every stroke cycle |
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Step 3
Bell Timer Alerts
The built-in bell timer sounds precisely when the mixing cycle is complete — no guesswork, no over-mixing, no under-mixing |
Key Features & Benefits
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💨 Fully Pneumatic Operation
No electrical infrastructure required — operates from standard compressed air supply. Perfect for outdoor, remote, and field service operations without power limitations. |
🔔 Built-In Bell Timer
The integrated bell timer alerts the operator precisely when the mixing cycle is complete — eliminating guesswork, preventing over-mixing or under-mixing, and ensuring every batch meets your exact material specifications. |
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💪 Reduced Operator Fatigue
Semi-automatic operation significantly reduces the physical effort required for thorough material blending — minimizing operator fatigue during high-volume or repetitive mixing operations without sacrificing mix quality. |
🧳 Lightweight & Portable
Compact, lightweight design fits seamlessly into any workspace — from high-volume production floors to MRO facilities, outdoor operations, and field service environments. |
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🎯 Consistent, Uniform Results
The rotating dasher's engineered blend action ensures thorough, homogeneous material mixing — delivering optimal sealant or adhesive consistency for reliable application performance and quality-compliant results every time. |
📋 Operating Instructions Marked On Unit
Permanently labeled operational guidance — quick reference for setup, operation, and maintenance without requiring external documentation or training materials. |
Why Pneumatic Mixing Matters
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❌
Manual Mixing Risks
Inconsistent blend quality, operator fatigue, variable cycle times, and unreliable material ratios — leading to poor application performance and potential rework |
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Electric Equipment Limitations
Requires electrical infrastructure, cannot operate in explosive atmospheres, limited portability, and field service challenges in remote locations |
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Model 285-P Solution
Pneumatic operation + bell timer = consistent blend quality, precise cycle control, unlimited portability, and field service flexibility |
Complete Your Workflow
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⚠️ Required Components
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⭐ Recommended Accessories
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Quality You Can Count On
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🎯
Consistent Uniform Blending
Rotating dasher delivers thorough, homogeneous material mixing — every batch, every time |
🔔
Cycle-Perfect Timing
Built-in bell timer eliminates guesswork — no over-mixing, no under-mixing, no material waste |
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💪
Reduced Operator Fatigue
Semi-automatic operation reduces physical effort — sustaining productivity across high-volume operations |
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Pneumatic Portability
No electrical infrastructure — unlimited portability for outdoor, remote, and field service operations |
Tips for Best Results
PPG Semco® Model 285-P Semkit® Mixer Timer — Your partner in professional mixing precision, consistency, and portability.
Fully pneumatic operation. Compatible with Semco® Semkit® cartridge packages. Operates at 135-145 RPM.





