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1. Provides smooth and steady delivery without pulsation. The pump ensures consistent performance by using the medium itself as a sealing liquid, thanks to its unique casing design. All models offer strong self-priming capabilities, making them suitable for liquids containing gas or air.
2. Excellent suction performance with low NPSHr, achieved through an advanced internal design that minimizes cavitation risks.
3. Equipped with externally lubricated bearings, allowing the pump to handle non-lubricating media efficiently.
4. Synchronous gears ensure no metal-to-metal contact between rotating parts, ensuring safe operation even under dry-run conditions for short periods.
5. Available in multiple configurations such as horizontal, vertical, and lined casings, enabling it to handle a wide range of clean liquids, low or high viscosity fluids, and even some corrosive media when appropriate materials are selected.
Types of Screw Pumps
Production Overview
1. Ideal for handling various liquids without solid particles.
2. Viscosity range: 1–1500 mm²/s; can handle up to 3×10ⶠmm²/s at reduced speeds.
3. Pressure range: Up to 4.0 MPa.
4. Capacity range: 1–2000 m³/h.
5. Temperature range: -15°C to 280°C.
Main Applications1. Shipbuilding: Used as cargo pumps, ballast pumps, lubricating oil pumps, fuel transfer, and spray pumps for marine applications.
2. Power Plants: Heavy and crude oil transfer, burning, and chemical industry applications including acid, alkali, resin, ink, paint, glycerin, and wax.
3. Oil Refineries: Transfer of heating oil, asphalt, tar, emulsions, and loading/unloading of oil products from tankers and storage pools.
4. Food Industry: Suitable for breweries, sugar refineries, food processing, and dairy plants for transferring alcohol, honey, milk, oils, and sauces.
5. Oil Fields: Ideal for transporting crude oil and other hydrocarbons.
Technical Parameters for Different Models
Packaging & Shipment
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Duplex Stainless Steel Tubes / Pipes, are made by Duplex stainless steels, can be both seamless and welded tubes.
Depending on different steel grade and diameter, and wall thickness of the Duplex Stainless Steel Tubes.
Duplex stainless steels are called [duplex" because they have a two-phase microstructure consisting of grains of ferritic and austenitic stainless steel.
The result is a microstructure of roughly 50% austenite and 50% ferrite.
Duplex stainless steels have a two-phase microstructure of austenite and ferrite grains.
The main differences in composition, when compared with an austenitic stainless steel is that the duplex steels have a higher chromium content, 20–28%; higher molybdenum, up to 5%; lower nickel, up to 9% and 0.05–0.50% nitrogen.
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TORICH INTERNATIONAL LIMITED , https://www.steeltubepipechina.com