3G series screw pump features and applications
The 3G-type screw pump is designed for the efficient transportation of media with a temperature not exceeding 150°C, viscosity ranging from 3 to 760 cSt, and free from solid particles, corrosion, and with good lubricity. It operates within a pressure range of 0.6 to 2.5 MPa and a flow rate range of 0.6 to 123 m³/h. This type of pump is widely used in industries such as fuel delivery, hydraulic systems, marine engineering, and petrochemical applications. Key features include: 1. Smooth and continuous linear transmission without stirring or pulsation; 2. Low vibration and minimal noise during operation; 3. High-pressure capability and high efficiency; 4. Simple structure that allows easy disassembly and maintenance; 5. Compact size and lightweight design for easy installation; 6. Minimal wear and long service life, ensuring reliable performance over time. The pump typically uses a mechanical seal and is driven by an electric motor through a claw coupling. The shaft rotates clockwise, extending into the pump body. The main materials used in construction are as follows: - Screw: 16MnCrS5, 40Cr, 45, 38CrMoALA - Pump body: HT200, QT450-10, ZCuSn10Pb, ZG270-500 The 3G-type universal screw pump is divided into five series based on its application, each with different performance specifications. Below is a detailed breakdown: | Series | Media Type | Temperature (°C) | Viscosity (cSt) | Flow Range (m³/h) | Pressure Range (MPa) | |--------|------------|------------------|------------------|--------------------|----------------------| | 3G | Lubricants | ≤80 | 3–20°E | 0.6–570 | 0.6–2.5 | | 3GR | Heavy Fuel Oil | ≤120 | 3–50°E | 0.6–570 | 0.6–2.5 | | 3GL | Light Fuel Oil | ≤120 | 1.2–5°E | 0.6–570 | 0.6–1.6 | | 3GW | High-Temperature Heating Oil | ≤150 | – | 0.6–363 | 0.6–1.6 | | 3GN | High Viscosity Oil | ≤80 | 100°E | 0.6–636 | 0.6–2.5 | This versatile pump is ideal for various industrial applications where reliability, efficiency, and durability are essential. Its design ensures smooth operation and long-term performance, making it a preferred choice in demanding environments. Whether handling lubricants, fuels, or heavy oils, the 3G-type screw pump offers a robust and effective solution.
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