Product details
Product Description
The WK-3S Vacuum Pump is an upgraded single-stage HVAC vacuum pump from the S Series, designed to deliver improved efficiency and reliability compared to standard models. With a 3.5 CFM flow rate, it is well-suited for residential and light commercial air conditioning and refrigeration systems.
Built with an enhanced internal design and a high-quality copper motor, the WK-3S ensures stable and consistent operation during evacuation. It achieves an ultimate vacuum of approximately 60 microns (2 Pa), offering better performance than basic single-stage pumps.
The pump also features an oil mist filter for cleaner operation and a large oil sight glass for easy monitoring. Its compact and portable design makes it ideal for HVAC technicians working in the field.
Key Features
- Single-stage vacuum pump with improved S Series design
- 3.5 CFM (99 L/min) flow rate for efficient evacuation
- Better vacuum performance (~60 microns) than standard models
- Durable copper motor for reliable operation
- Oil mist filter for cleaner and low-emission performance
- Large oil sight glass for easy oil monitoring
- Compact and lightweight structure for portability
- Balanced performance and cost for professional use
Technical Specifications
| Specification | Details |
|---|---|
| Model | WK-3S |
| Type | Vacuum Pump |
| Series | S Series |
| Stage | Single Stage |
| Flow Rate | 3.5 CFM (99 L/min @ 50Hz) |
| Ultimate Vacuum | ~60 microns (2 Pa) |
| Power | 1/3 HP |
| Inlet Port | 1/4″ & 3/8″ Flare |
| Oil Capacity | 300 ml |
| Dimensions | 267.5 × 130 × 265 mm |
| Weight | Approx. 5.9 kg |
Applications
- HVAC system evacuation
- Residential and light commercial AC installation
- Refrigeration servicing
- Moisture and air removal from systems
- Field and workshop operations
Frequently Asked Questions (FAQs)
Q1: What makes WK-3S better than standard WK models?
It offers improved vacuum performance (~60 microns) and better efficiency.
Q2: Is WK-3S single or dual stage?
It is a single-stage vacuum pump.
Q3: What is its flow capacity?
It provides 3.5 CFM (99 L/min).
Q4: What type of systems is it suitable for?
It is ideal for residential and light commercial HVAC systems.
Q5: Is it portable?
Yes, its compact and lightweight design makes it easy to carry.
