Duplex Strainers

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sainatec’s duplex strainers are the ultimate solution for critical industrial processes where fluid flow cannot be interrupted under any circumstances. By using two parallel screens in a single body, these strainers ensure continuous and uninterrupted filtration. When one screen needs cleaning, the flow is manually or automatically switched to the second screen, while the first one is taken offline and cleaned. This smart design guarantees maximum system uptime and minimal service downtime. In addition to their continuous operation capability, sainatec’s duplex strainers feature a robust design and compatibility with various fluids. They are an essential and reliable tool for protecting expensive equipment from suspended solids, sediments, and other contaminants in critical industries. Compared to self-cleaning strainers, they offer a simpler, more mechanical solution to achieve uninterrupted filtration.

- Feature Title: Continuous Filtration Operation
- Feature Description: The duplex design of these strainers allows for uninterrupted filtration. When the first screen becomes clogged with accumulated particles, the fluid flow is simply redirected to the second screen. This feature ensures that the production process or operation never stops, and productivity remains at its highest level.
- Feature Title: Robust and Durable Structure
- Feature Description: The body and screen (element) of duplex strainers are made from high-quality and durable materials such as stainless steel, carbon steel, ductile iron, and cast iron. These materials ensure sufficient resistance to pressure, temperature, and corrosion, significantly increasing the product's lifespan.
- Feature Title: Flexible and Practical Design
- Feature Description: These strainers have a special design that allows for easy installation and maintenance. For sizes larger than 4 inches, a quick-opening cover mechanism is available, making screen access for cleaning simple and fast. Additionally, features like a differential pressure gauge help monitor the status of the screens and determine the optimal time to switch the flow.
- Feature Title: Equipped with Advanced Auxiliary Features
- Feature Description: To enhance performance and adapt to specific needs, these strainers can be equipped with auxiliary features such as an air vent, an internal magnet to capture fine iron particles, and a special internal coating (liner). These capabilities make duplex strainers a comprehensive and efficient solution for various operational environments.

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Model: ST-DS.
Application: Continuous filtration of fluids such as steam, water, oil, and gas.
Body Material: Stainless steel, carbon steel, ductile iron, and cast iron.
Pressure Class: ANSI 150-300-600-900 and PN 16 to 100.
Size: 15 to 600 mm (5/8 inches to 24 inches).
Flange Standard: ANSI B16.5 and various DIN standards.
Temperature Range: -20 to +100 degrees Celsius.

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- Usage Title: Continuous Process Industries
- Usage Description: These strainers are widely used in industries such as refineries, petrochemical plants, power plants, and chemical factories where process interruptions would cause significant financial losses. They protect critical equipment like pumps, heat exchangers, and condensers.
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- Usage Title: Cooling and Irrigation Systems
- Usage Description: In power plant cooling systems where water is sourced from the sea or rivers, duplex strainers are used to filter large volumes of water and remove sediments and suspended solids. This application is also common in industrial irrigation systems and marine installations.
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- Usage Title: Food and Pharmaceutical Industries
- Usage Description: In processes that require high precision and cleanliness, such as the food and pharmaceutical industries, duplex strainers are used to ensure the purity and quality of the final product. By preventing the entry of foreign particles, these strainers help maintain hygienic and safety standards.
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Duplex Strainers

Shut-off safety valves or shut-off valves refer to safety equipment that automatically blocks the flow of gas in the pipeline in case of possible hazards and the gas pressure exceeds the set value through pneumatic actuators.

Relying on its technical strength and experience, Daniyal Para Development Company has the possibility to produce according to your request.

Product Features

Quality production according to world standards

Designed for use in natural gas service

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Designed for use in natural gas service

To change this text, click on the edit button. Lorem Epsom is a mock text with an incomprehensible simplicity produced by the printing industry and used by graphic designers.

Designed for use in natural gas service

To change this text, click on the edit button. Lorem Epsom is a mock text with an incomprehensible simplicity produced by the printing industry and used by graphic designers.

Designed for use in natural gas service

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Technical Specifications

Safe and reliable performance

Design and production in pressure classes 150, 300 and 600

Usages

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Gas pressure reduction stations

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Gas pressure reduction stations

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Gas pressure reduction stations

To change this text, click on the edit button. Lorem Epsom is a mock text with an incomprehensible simplicity produced by the printing industry and used by graphic designers.

Gas pressure reduction stations

To change this text, click on the edit button. Lorem Epsom is a mock text with an incomprehensible simplicity produced by the printing industry and used by graphic designers.

Duplex Strainers