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PurePressure // Freeze Dryer & Washer ENGINEERING REVIEW

PurePressure Bruteless 20-Gallon Food-Grade Hash Washing Vessel Review: Platen PSI, Telemetry & Lab Score

The PurePressure Bruteless 20-Gallon Food-Grade Hash Washing Vessel (PurePressure) is a Sanitary Bottom-Drain Wash Vessel system rated for up to 2,200g per batch at 0W power draw with 2-Year Commercial. It earns a 9.2/10 RosinHub RTINGS Lab Score and is purpose-built for manual paddle or frenchy-style vortex agitation with full 2-inch sanitary drain.

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PurePressure Bruteless 20-Gallon Food-Grade Hash Washing Vessel

9.2
RTINGS SCORE
PurePressure Bruteless 20-Gallon Food-Grade Hash Washing Vessel
True Bag PSI Accuracy
9.1
Thermal Uniformity
9.2
Cost-Per-Gram Value
9.5

Verified Engineering Specification Sheet: PurePressure Bruteless 20-Gallon Food-Grade Hash Washing Vessel

Engineering Parameter Measured / Manufacturer Specification Solventless Lab Notes
Manufacturer BrandPurePressureAudited in RosinHub 40-Model Reference Index
Equipment CategoryFreeze Dryer & WasherManual paddle or Frenchy-style vortex agitation with full 2-inch sanitary drain
Actuation ArchitectureSanitary Bottom-Drain Wash VesselNo Gauge (Use Bag PSI Calculator)
Max Ram Force0.0 Tons (0 lbs)Throttle to 650-1,050 Bag PSI for flower; 300-600 Bag PSI for hash
Platen / Shelf Dimensions19.5 x 22.0 inches (429.0 sq in)6061-T6 / 304 Stainless Thermal Surface
Max Platen-Level PSI0 PSIForce divided by full platen surface area
Recommended Micron Bag2.5 x 4.5 in (11.25 sq in)Leaves 0.5-inch perimeter escape channel around bag
Max Bag-Level PSI0 PSITrue pressure on bag footprint at maximum tonnage
Max Batch Capacity2,200 grams per cycleOptimal single-cycle load
Heater / System Wattage0 WattsDual-PID closed-loop thermal recovery
Factory Warranty2-Year CommercialManufacturer coverage
Reference MSRP (USD)$795Reference manufacturer pricing (RosinHub does not sell hardware)

Interactive Platen & Bag Footprint PSI Calculator

Interactive Rosin Platen & Bag Footprint PSI Calculator

Calculate both Platen-Level PSI and True Bag-Level PSI. Hydraulic gauge pressure is NOT bag PSI: a 10-ton press on a 2x4 inch bag delivers 2,500 PSI at the mesh, which will cause an instant blowout unless throttled.

Platen Area
15.0 sq in
Platen-Level PSI
533 PSI
Actual Bag-Level PSI
1000 PSI
Ideal Ram Target
3.40 Tons (6800 lbs)
Safety Verdict
OPTIMAL SOLVENTLESS ZONE
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