Variable Speed Peristaltic Pump LVSP-T2015

Introduction

Variable Speed Peristaltic Pump features a flow range of 0.4 to 13.2 L/min and operates at a speed range of 30 to 600 rpm. It is driven by a DC brushless motor that offers high torque, increased power, and low maintenance. This pump supports cascading two pump heads for greater output. Its durable 304 stainless steel housing resists corrosion from organic solvents. Our pump is designed for transferring large volumes of fluid in industrial applications.

It is widely used in laboratory liquid transfer applications, providing precise flow control and preventing cross-contamination. The pump's design ensures easy maintenance and long service life, making it suitable for continuous operation environments.

Applications

Our Variable Speed Peristaltic Pump is used for transferring large volumes of fluid in pharmaceutical production, chemical processing, and industrial manufacturing. It is ideal for applications like / ultrafiltration, fluidized beds, additives dosing, and tubular centrifuge feeding.

Specifications

Flow Range	0.4 to 13.2 L/min
Speed Range	30 to 600 rpm
Speed Resolution	1 rpm
Speed Accuracy	Less than ± 3%
No of channel	2
Ambient Temperature	0 to 40℃
Relative Humidity	Less than 80%
IP Grade	IP 31
Software	LF--OS
External Control	Input level: 5 V, 12 V Analog: 0 to 5 V
Communication Interface	RS485 communication interface, protocol, DB15 external control interface
Power Consumption	Less than 300 W
Power supply	AC 220 V to 240 V
Dimensions ( L x W x H )	356 × 232 × 224 mm
Weight	11 kg

Features

Rotary encoder for speed and direction control

Digital display system

Timer function for easy dispensing

Dust and moisture-proof coated circuit board

Supports analog signals

FAQs

1. What factors should be considered when selecting a pump tube for the peristaltic pump?

When selecting a pump tube, you should consider the chemical compatibility with the liquid being transferred, temperature resistance, pressure requirements, and service life. Different materials (such as silicone, Viton, and Tygon) have different properties, so it's important to choose the appropriate tube material based on the specific application to ensure optimal performance and prevent tube failure.

2. How often should the peristaltic pump be calibrated to maintain accuracy?

It is recommended to calibrate the peristaltic pump every 3-6 months under normal usage conditions. More frequent calibration may be required if the pump is used continuously for long periods, handles corrosive liquids, or operates in harsh environmental conditions. Regular calibration ensures that the flow rate remains accurate and meets experimental requirements.

3. Can the peristaltic pump be used for viscous liquids?

Yes, the peristaltic pump can handle viscous liquids, but the flow rate may be affected by the liquid viscosity. For highly viscous liquids, it is recommended to select a pump with a larger tube diameter and lower speed to ensure smooth liquid transfer. Additionally, preheating the liquid (if compatible with the application) can reduce viscosity and improve pump performance.

4. What safety measures should be taken when operating the peristaltic pump?

When operating the peristaltic pump, ensure that the power supply matches the pump's requirements, avoid overloading the pump, and regularly inspect the pump tube for wear or damage. Keep hands and other objects away from the moving parts during operation. For hazardous liquids, use appropriate personal protective equipment and ensure proper ventilation in the operating area.

5. How to troubleshoot if the peristaltic pump has inconsistent flow rate?

Inconsistent flow rate may be caused by several factors: worn pump tubes, improper tube installation, air bubbles in the liquid, or pump head misalignment. First, check and replace worn tubes if necessary. Ensure the tube is properly installed and fully seated in the pump head. Remove air bubbles from the liquid line before starting the pump. If the problem persists, check the pump head alignment and contact technical support if needed.

1. What is the primary function of the Variable Speed Peristaltic Pump ?

The primary function of our Variable Speed Peristaltic Pump is to provide precise and contamination-free fluid transfer in industrial and laboratory settings. It operates using a peristaltic mechanism, where fluid is transported through flexible tubing compressed by rotating rollers, eliminating direct contact between the fluid and the pump mechanism. This design is especially valuable for transferring large volumes of sensitive or corrosive liquids, making it ideal for applications in pharmaceutical production, chemical processing, and bioreactor systems.

2. What type of motor is used in the Variable Speed Peristaltic Pump , and why is it important?

Variable Speed Peristaltic Pump is equipped with a high-performance DC brushless motor, known for delivering high torque with exceptional efficiency and minimal maintenance. This motor type contributes to the pump’s smooth operation across a wide speed range of 30 to 600 rpm. Because it lacks brushes, the motor generates less heat, operates more quietly, and has a longer lifespan compared to traditional brushed motors. These features make it a reliable solution for continuous or heavy-duty fluid transfer tasks.

3. How does the Variable Speed Peristaltic Pump ensure accurate flow control?

Variable Speed Peristaltic Pump offers precise flow control through a combination of features including a rotary encoder, 1 rpm resolution, and digital display system. These elements work together to maintain stable operation and enable accurate setting of both flow rate and direction. With a flow range from 0.4 to 13.2 L/min and a speed accuracy of less than ±3%, it ensures high repeatability and reliability, especially in dosing, filtration, and sensitive liquid handling processes.

4. Can the Variable Speed Peristaltic Pump be integrated with external systems?

Yes, our Variable Speed Peristaltic Pump is designed with advanced connectivity options for integration into automated and remote-control systems. It includes RS485 communication using the protocol, allowing seamless data exchange with PLCs or systems. Additionally, it supports analog input controls (0 to 5 V or 12 V) and features a DB15 external control interface, enabling programmable start/stop, direction switching, and speed adjustments. These capabilities make it suitable for sophisticated industrial automation and process control environments.