Product details Product Description The WK-280SV Vacuum Pump is a high-performance dual-stage HVAC vacuum pump designed for deep and efficient evacuation of air conditioning and refrigeration systems. With an 8.0 CFM flow rate, it offers an excellent balance between power and efficiency for professional applications. Its dual-stage design enables it to achieve a deep vacuum level of 15 microns, making it ideal for critical systems where complete removal of moisture and non-condensable gases is essential. The built-in solenoid valve prevents oil backflow, while the high-precision vacuum gauge ensures accurate monitoring during operation. Engineered with a forced oil circulation system, durable copper motor, and oil mist filter, the WK-280SV delivers reliable, clean, and long-lasting performance, making it a dependable choice for HVAC technicians. Key Features Dual-stage vacuum pump for deep vacuum applications 8.0 CFM (226 L/min) flow rate for efficient evacuation Achieves deep vacuum up to 15 microns Built-in solenoid valve to prevent oil backflow High-precision vacuum gauge for accurate monitoring Forced oil circulation system for enhanced durability Oil mist filter for cleaner and low-emission operation Large oil sight glass for easy oil level inspection Durable copper motor for reliable performance Brass inlet ports for strength and longevity Robust design for professional HVAC use Technical Specifications Specification Details Model WK-280SV Type Vacuum Pump Stage Dual Stage Flow Rate 8.0 CFM (226 L/min @ 50Hz) Flow Rate (60Hz) 9.0 CFM (254 L/min) Ultimate Vacuum 15 microns Power 1 HP Inlet Port 1/4″ & 3/8″ Flare Oil Capacity 580 ml Dimensions 427 × 158 × 275 mm Weight Approx. 15.8 kg Applications HVAC system evacuation Commercial air conditioning installation Refrigeration system servicing Deep vacuum applications (moisture removal) Professional and industrial HVAC operations Frequently Asked Questions (FAQs) Q1: Is WK-280SV single or dual stage?It is a dual-stage vacuum pump. Q2: What is the vacuum level of this pump?It achieves a deep vacuum of up to 15 microns. Q3: What is the flow capacity?It provides 8.0 CFM at 50Hz and 9.0 CFM at 60Hz. Q4: Does it include oil backflow protection?Yes, it has a built-in solenoid valve. Q5: Is it suitable for professional use?Yes, it is ideal for professional HVAC technicians and demanding applications. View More View Less
