Kaishan Compressors PK-5 Piston Air Compressor

18 CFM at 150 PSI — Compact Piston Compressor for Any Shop The Kaishan PK-5 piston air compressor delivers reliable compressed air with an encapsulated pump design that runs quieter and requires less maintenance than open-frame alternatives. Available in Base Mount, Tank Mount, and Tank Mount with Integrated Dryer configurations — the 5 HP belt drive compressor runs at just 71 dBA and handles ambient temperatures up to 104°F. Add the tank mount package for on-demand air storage, or the dryer package for clean, dry air right out of the box. Encapsulated Pump Technology The SKY-40 encapsulated airend reduces noise and protects internal components from dust and debris — ideal for woodworking, fabrication, and light industrial applications. Encapsulated SKY-40 Pump — open-frame noise and contamination → enclosed design runs at 71 dBA Belt Drive System — motor overload risk → belt drive decouples motor from pump for smoother operation Load / Unload Control — constant-run waste → KTL-8000 panel cycles the compressor to match demand WEG Motor + Siemens Starter — unreliable components → premium brands with Class F insulation Stainless Steel Tubing — corrosion and leaks → long-term reliability Tank Mount Option — limited air storage → 80-gallon horizontal tank included Integrated Dryer Option — moisture in air lines → refrigerated dryer eliminates condensation at the source Kaishan PK-5 Piston Air Compressor Specifications Power 5 HP (4 kW) Drive Type Belt Drive Pump SKY-40 Encapsulated CFM at 115 PSI (3-Phase) 20 CFM CFM at 115 PSI (1-Phase) 19 CFM CFM at 125 PSI (3-Phase) 19 CFM CFM at 125 PSI (1-Phase) 18 CFM CFM at 150 PSI (3-Phase) 18 CFM CFM at 150 PSI (1-Phase) 16 CFM CFM at 175 PSI (3-Phase) 16 CFM Max Pressure 175 PSI Sound Level 71 dBA Voltage 208V / 230V 1-Phase / 230V 3-Phase / 460V, 60 Hz Motor WEG, 4 kW, 3450 RPM, Class F, TEFC Motor Service Factor 1.2 Motor Efficiency 89.7% Starter Siemens Full Voltage Control Panel KTL-8000 Control Type Load / Unload Oil Capacity 1.7 Gal Oil Carryover ≤5 PPM Ambient Temp Rating 33°F – 104°F Dimensions (Base Mount) 38 × 23 × 26 in Dimensions (Tank/Dryer) 65 × 23 × 49 in Weight (Base, 3-Phase) 337 lbs Weight (Tank, 3-Phase) 577 lbs Weight (Tank + Dryer, 3-Phase) 657 lbs Certifications UL 508A Available Configurations Base Mount — Compressor head only, no tank Tank Mount — 80-gallon horizontal tank included Tank Mount with Dryer — 80-gallon tank + refrigerated dryer Technical Documents PK Series Product Brochure PK Instruction Manual PK 5 & 7.5 HP Parts Manual PK-5 Tech Data Sheet Dimensional Drawing — Base Mount Dimensional Drawing — Tank Mount Dimensional Drawing — Tank Mount with Dryer P&I Diagram For complete specifications, download the tech data sheet above. Get Your 5 HP Piston Air Compressor Shipped Direct Hit Buy Now and we'll ship this compressor freight from Alabama in 3-5 business days.