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7.5 HP Air Compressor Package

7.5 HP Air Compressor Package

LWG - Lawson Workhorse Group

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Questions & Answers

Q: What electrical supply is needed to run the SPEEDAIRE 7.5 hp Air Compressor (35WC47)?
A: This unit requires a 208–230V AC single-phase electrical connection running at 60 Hz with a 31 amp current rating.

Q: What is the free air flow output on the SPEEDAIRE 35WC47 compressor?
A: It delivers 24.5 CFM at its maximum operating pressure of 175 PSI, making it well-suited for high-demand pneumatic equipment and automatic presses.

Q: What is the expected service life and duty cycle of this compressor?
A: The SPEEDAIRE 35WC47 is rated for continuous duty with an expected life expectancy of 15,000 hours thanks to its splash-lubricated cast-iron pump design.

Q: Where can I get replacement parts and technical support for this Speedaire compressor?
A: Technical guidance, system setup advice, and compatible pneumatic accessories are available directly through LWG.

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Jump to: Description The LWG Difference Features Specifications Table Comparison Table

Description

The SPEEDAIRE 7.5 hp, 2 Stage Electric Air Compressor (35WC47) delivers high-performance industrial compressed air designed for heavy-duty commercial screen printing plants, large pneumatic presses, and high-volume shop environments. Featuring a splash-lubricated 2-stage cast-iron pump, an 80-gallon vertical ASME-certified tank, and a powerful 7.5 HP motor, this compressor delivers 24.5 CFM at a maximum operating pressure of 175 PSI. Engineered for long-term continuous operation, it ensures consistent pneumatic pressure across multi-head automatic printing presses and auxiliary darkroom tools.

The SPEEDAIRE 7.5 hp, 2 Stage Electric Air Compressor (35WC47) delivers high-performance industrial compressed air designed for heavy-duty commercial screen printing plants, large pneumatic presses, and high-volume shop environments. Featuring a splash-lubricated 2-stage cast-iron pump, an 80-gallon vertical ASME-certified tank, and a powerful 7.5 HP motor, this compressor delivers 24.5 CFM at a maximum operating pressure of 175 PSI. Engineered for long-term continuous operation, it ensures consistent pneumatic pressure across multi-head automatic printing presses and auxiliary darkroom tools.

The LWG Difference

  • Industrial 7.5 HP High-Volume Air Delivery: Delivers a robust 24.5 CFM at 175 PSI to support large commercial automatic presses and multi-station screen printing facilities.
  • Heavy-Duty Cast-Iron Splash Lubrication: Built with a 2-stage cast-iron cylinder pump operating at a low 1,020 RPM for reduced thermal wear and an extended 15,000-hour service life.
  • Single-Phase Commercial Power: Configured for 208–230V AC single-phase electrical lines with a 31A current rating, allowing high-output operation without requiring three-phase utility conversion.
  • Factory Direct Backup & Support: Fully supported by LWG with expert darkroom and press air-sizing consultations, pneumatic accessories, replacement parts, and nationwide customer service.

  • Industrial 7.5 HP High-Volume Air Delivery: Delivers a robust 24.5 CFM at 175 PSI to support large commercial automatic presses and multi-station screen printing facilities.
  • Heavy-Duty Cast-Iron Splash Lubrication: Built with a 2-stage cast-iron cylinder pump operating at a low 1,020 RPM for reduced thermal wear and an extended 15,000-hour service life.
  • Single-Phase Commercial Power: Configured for 208–230V AC single-phase electrical lines with a 31A current rating, allowing high-output operation without requiring three-phase utility conversion.
  • Factory Direct Backup & Support: Fully supported by LWG with expert darkroom and press air-sizing consultations, pneumatic accessories, replacement parts, and nationwide customer service.

Features

  • 2-Stage Industrial Pump: Reciprocating 2-stage pump design generates up to 175 PSI maximum operating pressure for heavy-duty shop tools.
  • Space-Saving 80-Gallon Vertical Tank: Vertical ASME-approved tank optimizes floor space while providing high-capacity compressed air storage.
  • Low-RPM Operation: Maximum speed of 1,020 RPM lowers pump temperatures, operational noise (87 dBA), and overall mechanical wear.
  • Built-In Safety Controls: Equipped with a pressure switch (135 PSI on / 175 PSI off), pressure gauge, manual drain valve, motor starter, and oil sight glass.
  • Long-Life Construction: Powder-coated cast-iron cylinder construction rated for a 15,000-hour expected service life.

  • 2-Stage Industrial Pump: Reciprocating 2-stage pump design generates up to 175 PSI maximum operating pressure for heavy-duty shop tools.
  • Space-Saving 80-Gallon Vertical Tank: Vertical ASME-approved tank optimizes floor space while providing high-capacity compressed air storage.
  • Low-RPM Operation: Maximum speed of 1,020 RPM lowers pump temperatures, operational noise (87 dBA), and overall mechanical wear.
  • Built-In Safety Controls: Equipped with a pressure switch (135 PSI on / 175 PSI off), pressure gauge, manual drain valve, motor starter, and oil sight glass.
  • Long-Life Construction: Powder-coated cast-iron cylinder construction rated for a 15,000-hour expected service life.

Specifications Table

Specifications Description
Brand SPEEDAIRE
Manufacturer Part Number 35WC47
Item 35WC47
Mfr. Model 35WC47
Compressor Package Type Base Model
Lubrication Type Splash Lubricated
Tank Style Vertical
Number of Stages 2
Output Power 7.5 hp
Free Air Flow Rate @ Maximum Pressure 24.5 cfm
Maximum Operating Pressure 175 psi
Tank Size 80 gal
Input Voltage 208-230V AC
Phase Single
Frequency 60 Hz
Pump Style Simplex
Pump Type Reciprocating
Pump Location Top Mount
Pump Oil Capacity 2 qt
Current Rating 31 A
Maximum Speed 1,020 RPM
Duty Cycle Continuous
Sound Level 87 dBA
Includes Manual Drain Valve; Motor Starter; Oil Sight Glass; Pressure Gauge; Pressure Safety Valve
Cylinder Material Cast Iron
Enclosure Type Open Dripproof
Finish Powder Coated
ASME Tank Yes
Control Type Pressure Switch
On Pressure Switch Setting 135 psi
Off Pressure Switch Setting 175 psi
Inlet Size 3/4 in
Outlet Size 3/4 in
Outlet Type NPT
Outlet Gender Female
Overall Length 35 in
Overall Width 27 in
Overall Height 71 in
Life Expectancy 15,000 hr
Standards ASME Approved; CSA

Comparison Table

Feature / Metric SPEEDAIRE 7.5 hp 2 Stage Compressor (35WC47) 5 hp 3ph cooler plus dryer rolair portable air compressor
Motor Power 7.5 HP 5.0 Running HP 1.0 Running HP
Air Output (CFM) 24.5 CFM @ 175 PSI 16.5 CFM @ 175 PSI 2.35 CFM @ 90 PSI
Electrical Specs 208–230V AC, 1-Phase (31A) 208–230V, 3-Phase 120V, 1-Phase (8A)
Tank Size & Style 80-Gal Vertical ASME Tank 80-Gal Vertical ASME Tank 2.3-Gal Portable Single Tank
Dry Air System Optional / Sold Separately Included (0.25 HP Refrigerated Dryer) N/A
Primary Target Use Heavy-duty automatic press shops & high-CFM facilities Commercial 3-Phase screen printing plants Light utility & pretreat sprayers