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Rositek RNP4 4-Ton 3x5 Insulated Hydraulic Press Review: Platen PSI, Telemetry & Lab Score

The Rositek RNP4 4-Ton 3x5 Insulated Hydraulic Press (Rositek) delivers 4.0 tons (8,000 lbs) of force across 3.0 x 5.0 inch platens (15.0 sq in), generating up to 533 Platen PSI and 1,000 True Bag PSI on a 2.0 x 4.0 in (8.0 sq in) filter bag. It earns a 8.9/10 RosinHub RTINGS Lab Score and is engineered for starter 4-ton hydraulic press with driptech tilt bracket.

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Rositek TELEMETRY CARD

Rositek RNP4 4-Ton 3x5 Insulated Hydraulic Press

8.9
RTINGS SCORE
Rositek RNP4 4-Ton 3x5 Insulated Hydraulic Press
True Bag PSI Accuracy
8.6
Thermal Uniformity
8.8
Cost-Per-Gram Value
9.4

Verified Engineering Specification Sheet: Rositek RNP4 4-Ton 3x5 Insulated Hydraulic Press

Engineering Parameter Measured / Manufacturer Specification Solventless Lab Notes
Manufacturer BrandRositekAudited in RosinHub 40-Model Reference Index
Equipment CategoryHome HydraulicStarter 4-ton hydraulic press with driptech tilt bracket
Actuation ArchitectureHydraulic Bottle JackNo Gauge (Use Bag PSI Calculator)
Max Ram Force4.0 Tons (8,000 lbs)Throttle to 650-1,050 Bag PSI for flower; 300-600 Bag PSI for hash
Platen / Shelf Dimensions3.0 x 5.0 inches (15.0 sq in)6061-T6 / 304 Stainless Thermal Surface
Max Platen-Level PSI533 PSIForce divided by full platen surface area
Recommended Micron Bag2.0 x 4.0 in (8.0 sq in)Leaves 0.5-inch perimeter escape channel around bag
Max Bag-Level PSI1,000 PSITrue pressure on bag footprint at maximum tonnage
Max Batch Capacity7.0 grams per cycleOptimal single-cycle load
Heater / System Wattage300 WattsDual-PID closed-loop thermal recovery
Factory Warranty2-Year WarrantyManufacturer coverage
Reference MSRP (USD)$279Reference 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