Product details
Product Description
ST-4BM Vacuum Pump | 4.5 CFM | Dual Stage | R32 Compatible | Super Stars
The ST-4BM Vacuum Pump by Super Stars is a professional HVAC tool designed for efficient evacuation of refrigeration and air conditioning systems. It is suitable for modern refrigerants including R32, making it ideal for technicians working on both residential and commercial systems.
This model features a dual-stage vacuum system combined with a brushless sparkless motor, ensuring safe operation with flammable refrigerants and delivering deep vacuum performance. The built-in solenoid valve and vacuum gauge allow better control and monitoring during operation.
With a 4.5 CFM (127 L/min) flow rate, the ST-4BM provides a balanced combination of performance and portability, making it suitable for daily HVAC servicing tasks.
Key Features
- 4.5 CFM (127 L/min) flow rate for efficient evacuation
- Dual-stage system for deep vacuum performance
- Brushless sparkless motor (safe for R32, R290, R1234YF)
- Built-in solenoid valve & vacuum gauge
- Oil mist filter for cleaner operation
- Durable brass inlet ports
- Compact and portable design
Technical Specifications
| Specification | Details |
|---|---|
| Model | ST-4BM |
| Brand | Super Stars |
| Type | Vacuum Pump |
| Flow Rate | 4.5 CFM (127 L/min) |
| Stages | Dual Stage |
| Ultimate Vacuum | ~15 microns |
| Power | 1/4 HP |
| Voltage | 220V / 50–60 Hz |
| Inlet Port | 1/4″ & 3/8″ flare |
| Oil Capacity | 720 ml |
| Dimensions | 290 × 128 × 276 mm |
| Weight | approx. 5.3 kg |
Applications
- HVAC system evacuation
- Air conditioning installation
- Refrigeration servicing
- Moisture and air removal from systems
- Field and workshop operations
Frequently Asked Questions (FAQs)
Q1: What is the purpose of ST-4BM?
It is used to remove air and moisture from HVAC systems before refrigerant charging.
Q2: Is it suitable for R32 refrigerant?
Yes, it features a sparkless motor safe for R32 and other flammable refrigerants.
Q3: What is the capacity of this pump?
It has a 4.5 CFM (127 L/min) flow rate.
Q4: Does it have built-in monitoring?
Yes, it includes a vacuum gauge and solenoid valve.
Q5: Is it portable?
Yes, its compact design and ~5.3 kg weight make it easy to carry.
