Product Description
TRP-12 Dual-Stage Rotary Vane Vacuum Pump
Home & Small-Scale Freeze Drying Applications
Product Overview
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Dual-stage, oil-sealed rotary vane vacuum pump
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Designed for deep, stable vacuum required for freeze drying
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Suitable for home, hobbyist, and small-scale freeze drying systems
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Continuous-duty capable for long drying cycles
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Serviceable and rebuildable design
Why This Pump Works Well for Freeze Drying
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Achieves deep vacuum required for ice sublimation
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Supports consistent drying without thawing
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Maintains stable pressure over long runtimes
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Handles high moisture vapor loads effectively
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Reduces total freeze-drying cycle time
Vacuum Performance
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Pumping speed: 7.6 CFM (216 L/min)
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Ultimate vacuum (no gas ballast): ~3 × 10⁻³ Torr
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Ultimate vacuum (with gas ballast): ~30 mTorr
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Dual-stage compression for improved low-pressure performance
Moisture & Vapor Handling
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Built-in gas ballast for moisture management
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Minimizes water vapor condensation in pump oil
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Extends oil life during freeze-drying operation
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Improves long-term pump reliability
Ideal Uses
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Home freeze drying of fruits and vegetables
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Freeze drying meats and prepared meals
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Drying herbs, botanicals, and pet treats
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Small research, pilot, or teaching lab use
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Upgrade or replacement pump for existing freeze dryers
Connections & Compatibility
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Standard KF25 (DN25) inlet and outlet
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Compatible with common freeze-drying hoses and fittings
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Easy integration into existing systems
Electrical & Physical Specifications
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Voltage: 115V, single-phase
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Motor speed: ~1450 RPM
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Oil capacity: ~1.1 liters
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Weight: ~51 lb (23 kg)
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Low vibration and quiet operation
Benefits for Home Freeze-Drying Users
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Faster pump-down to operating vacuum
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More consistent drying results
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Better moisture tolerance than entry-level pumps
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Designed for long runtime cycles
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Not a disposable pump — fully serviceable
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Reliable, repeatable freeze-drying performance
Recommended Setup for Best Results
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Use high-quality vacuum pump oil designed for moisture handling
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Operate gas ballast during moisture-heavy phases
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Pair with an inlet cold trap or moisture trap
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Use an exhaust mist filter for indoor operation
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Perform regular oil changes during heavy use
Summary
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Professional-grade vacuum performance for home freeze drying
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Designed to handle long cycles and high moisture loads
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Strong upgrade over lightweight or HVAC-style pumps
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Supported by Vacuum Pump Supply with oil, filters, and parts
