Features of Micro-oil Frequency Conversion Screw Vacuum Pump:

★ The application of a new, self-owned patented energy-saving screw tooth profile provides you with a greater competitive advantage in the industry;

★ Using a vacuum-dedicated exhaust port and pressure point/flow path design, it can be used without an oil pump and maintain low vibration and low noise operation under high vacuum;

★ The tapered through-shaft screw rotor is matched with a high-efficiency permanent magnet frequency conversion integrated motor, reducing pump body vibration, greatly improving transmission efficiency, having a wide frequency modulation speed range, easy frequency conversion control, sensitive dynamic response, and enabling precise vacuum adjustment and reduced grid pressure;

★ Easily maintains stable high pumping speed under 2000Pa vacuum, stable negative pressure, with a maximum vacuum of 30Pa;

★ Can replace similar products in the market for rough vacuum applications, especially liquid ring pumps, rotary vane pumps, claw pumps, and piston pumps, with energy savings of 30%-85%;

★ More efficient and energy-saving: integrated screw energy-saving host, permanent magnet frequency conversion system;

★ More stable and reliable: quiet and low vibration, convenient replacement, ultra-low oil content, reduced pollution;

★ More intelligent and user-friendly: linkage control, early warning prompts, cloud internet;

★ Lower noise: vacuum performance test, durable and reliable, independent air duct, overcoming various operating conditions.

Comprehensive Performance Comparison

Core Technology of Integrated Screw Vacuum Pump

The SQGH series energy-saving screw vacuum pump adopts a new generation of screw profiles, with screw rotor tooth profile precision superior to the industry, and light load operation.

The extraordinary integrated screw mainframe structure, with direct motor drive and no transmission loss, allows you to achieve nearly 100% transmission efficiency!

Vector frequency conversion control, rapid response, reasonable distribution of current values, and even better torque improvement effect.

Full Series Permanent Magnet Frequency Conversion Technology

The SQGH micro-oil screw vacuum pump adopts an integrated permanent magnet frequency conversion dedicated motor, which greatly improves the efficiency of the drive motor, thus achieving energy saving.
√ Using high coercivity, high-temperature permanent magnets to ensure no demagnetization at 150℃;
√ Oversized torque design, one times the torque of a conventional 3000 rpm permanent magnet motor;
√ Stepless speed regulation, wide frequency modulation speed range, weak magnetic control is twice that of a general permanent magnet motor, easy frequency conversion control, good dynamic response performance, can quickly respond to a wide range of adjustments, and can also precisely adjust and control the vacuum pump;
√ Frequency conversion adjustment start, smooth start, reducing the impact on the power grid;
√ Super first-class energy efficiency, motor efficiency up to 98% or more;
√ High efficiency factor of 98% or more, reducing the customer's power grid pressure, maintaining power grid quality, and reducing the apparent current of the equipment.

Component Introduction

Integrated screw mainframe:
Direct motor drive, no transmission loss, and reduced transmission failures.
Permanent magnet frequency conversion control, rapid response, and high torque.

Axial flow fan: low power consumption, fast heat dissipation. Stable, reliable, energy-saving and environmentally friendly.

Sound insulation cover:
Significantly reduces noise through sound reflection from sound-absorbing foam and metal plates.
Reduces the cost of sound insulation equipment in the vacuum pump room.

Integrated Frequency Converter Drive:
Electrical cabinet with fully integrated frequency converter: no additional engineering and installation required.
Specially selected drive components: parameter settings can precisely achieve higher efficiency.
Optimized component selection.
Reduced installation costs.

Microcomputer Controller:
Integrated vacuum pump control system.
Displays the overall system performance status, proactively prompts maintenance information, and provides fault and safety shutdown warnings.

Dedicated intake valve:
Automatically controls the opening to ensure the host oil injection amount and lubrication oil circulation.
Ultra-low oil path loss, overall efficiency improvement.
Normally open solenoid valve control, emergency stop automatic closure, prevents oil injection.

Oil-gas separator tank:
Using a better flow rate and structural design, the oil content is ≤3ppm.
Easy maintenance.

Air filter: Patented design, fully enclosed structure, high filtration grade, ensures vacuum maintenance. Long service life, extends maintenance intervals.

Technical parameters

Note:

1. Technical parameters are subject to change without further notice.

2. The above are the recommended models according to industry standards; custom orders are accepted if special requirements exist.

3. Please contact our sales staff for the delivery time of custom-made special models and power supplies.