Chicago Pneumatic RCP-4981VNS Air Compressor 5HP 80 Gal. Two Stage Single-Phase 230V New - 2021119133

Chicago Pneumatic RCP-4981VNS Air Compressor 5HP 80 Gal. Two Stage Single-Phase 230V New - 2021119133

Chicago Pneumatic's RCP compressors are designed for durability and performance, with solid cast iron cylinder, crankshaft and valve plates, providing the strength that is required for everyday use. Aluminum head and coolers with deep fins allow for unmatched heat dissipation. Balanced pistons and crankshaft provide smoother and quieter operation. Featuring oversized main bearings and automotive style replaceable insert bearings for a durable compressor pump. All units are 100% tested at full pressure.

What our Experts Think

• Reliable two‑stage power for medium‑duty work
  The Chicago Pneumatic RCP‑4981VNS Air Compressor 5 HP 80 Gal. Two Stage Single‑Phase 230 V New – 2021119133 delivers consistent, high‑pressure compressed air ideal for automotive shops, fabrication bays, and general workshop use thanks to its two‑stage piston design and vertical 80 gallon tank.
• Strong airflow meets solid pressure
  Producing around 14.6 CFM of free airflow and up to 175 PSI, this compressor provides steady air delivery for tools and pneumatics with reduced cycling—helpful when running impact wrenches, grinders, and spray guns.
• Designed for durability
  Built with a cast iron pump, balanced pistons, oversized bearings, and aluminum coolers with deep fins, it ensures heat dissipation and long service life under regular use.
• User‑friendly control & safety
  Equipped with start/stop pressure switch control, magnetic starter, ASME‑certified tank and safety valves, plus a fully enclosed belt guard, it supports safe, straightforward operation in shop environments.
• Large capacity tank reduces interruptions
  The 80 gallon vertical receiver stores a sizable air reserve, meaning longer runtimes and fewer start/stop cycles, improving compressor life and tool performance.
• Simple maintenance setup
  Features like manual tank drain and discharge valve make it easier to maintain moisture control and keep the system running smoothly.

Q&A

Q1: What type of compressor is the Chicago Pneumatic RCP‑4981VNS?
A: It’s a heavy‑duty two‑stage reciprocating air compressor with a 5 HP motor, designed for industrial and workshop use needing reliable compressed air delivery.

Q2: What power and tank specifications does it have?
A: The unit runs on 230 V single‑phase power and includes an 80‑gallon ASME vertical tank for ample air storage.

Q3: How much airflow and pressure does it deliver?
A: It provides around ~14.6 CFM (free air flow) at max pressure and reaches a maximum operating pressure of 175 PSI, ideal for powering tools and pneumatic equipment.

Q4: What are the key build and durability features?
A: Featuring a solid cast iron cylinder, crankshaft and valve plates, aluminum head and deep‑fin coolers for efficient heat dissipation, and a fully enclosed belt guard for safety and long life.

Q5: What controls and safety features are included?
A: It includes automatic start/stop pressure switch control, ASME safety tank valves, magnetic starter, manual tank drain, and a discharge valve for reliable operation.

Q6: What are the physical dimensions?
A: Approximate dimensions are 24″ (W) × 39″ (D) × 73″ (H) — vertical orientation saves floor space in garages or shops.

Q7: Is it suitable for industrial or workshop use?
A: Yes — with two‑stage compression, a large 80 gal tank, and rugged cast‑iron construction, it’s ideal for automotive shops, fabrication, body shops, and other medium‑duty industrial applications.

Maintenance Tips

• Drain tank daily: Open the manual drain valve after each use to remove accumulated moisture and prevent internal rust and contamination.
• Check and change oil: Monitor oil level frequently and change the compressor oil per manufacturer schedule (e.g., ~1,000 hrs) to keep bearings and pump components lubricated.
• Clean/replace air filter: Inspect the intake filter regularly; clean or replace it to maintain efficient airflow and reduce wear on the pump.
• Inspect belts & pulleys: Examine belt tension and wear; tighten, align, or replace worn belts to ensure smooth power transmission and avoid slippage.
• Check for air leaks: Periodically inspect hoses, fittings, and tanks for leaks; tighten connections or replace defective parts to maintain efficiency.
• Clean cooling surfaces: Keep coolers, cooling fins, and motor vents clear of dust and debris to prevent overheating and maintain optimal heat dissipation.
• Verify pressure controls & safety valves: Test the pressure switch, relief valves, and discharge valves to ensure correct cut‑in/cut‑out operation and safe PSI limits.
• Secure area & hardware: Keep the compressor area clean and tighten mounting bolts and cabinet fasteners to reduce vibration and prolong component life.
• Annual professional check: Have a qualified technician inspect internal seals, valves, tank integrity, and electrical components to ensure long‑term reliability.