Views: 0 Author: J-VALVES Publish Time: 2025-11-01 Origin: Site
In industrial fluid conveying systems, the risks of equipment wear, blockage, and even failure caused by impurities are always present. As a core equipment to ensure fluid cleanliness, the performance and material selection of Y-strainers directly determine the stability of the fluid system. With years of dedication to industrial valve solutions, J-VALVES has launched the S31803 duplex steel 10-inch 300LB Y-strainer, which has become a preferred solution for fluid purification in petrochemical, energy, chemical, and other industries, relying on its excellent material performance, precise dimensional design, and strict standard compliance.

S31803 (corresponding grade 2205) is a type of duplex stainless steel that combines the advantages of austenitic and ferritic stainless steels, and it highlights three core values in the application of Y-strainers:
Superior Corrosion Resistance: It exhibits excellent corrosion resistance to common acid-base media and chloride environments in industrial fluids, and can effectively resist pitting, crevice corrosion, and stress corrosion cracking. It is suitable for filtration scenarios with harsh media such as seawater and chemical raw materials.
Dual Advantages of Strength and Toughness: Its tensile strength far exceeds that of ordinary austenitic stainless steel, and it can stably bear the high-pressure working condition of 300LB. At the same time, it has excellent toughness, and is not easy to deform or crack under complex working conditions, ensuring the long-term reliable operation of the strainer.
Outstanding Wear and Fatigue Resistance: The duplex structure endows it with excellent wear resistance, which can cope with the continuous scouring of fluid containing particles. Its fatigue resistance is significantly better than that of single-phase stainless steel, greatly extending the service life of the equipment.

This Y-strainer adopts a 10-inch (DN250) passage diameter and a 300LB pressure rating design, which precisely matches the needs of large-flow and high-pressure industrial pipeline systems:
Full Coverage of Large-Flow Scenarios: The 10-inch passage diameter can meet the filtration needs of large-flow fluids in large chemical plants, oil and gas pipelines, etc., ensuring that the fluid cleanliness is not compromised under high flow rates.
Stable Bearing in High-Pressure Working Conditions: The 300LB pressure rating can be adapted to high-pressure systems such as oil pipelines in oil extraction and feed pipelines of high-pressure chemical reactors, completely avoiding the risk of leakage or structural damage caused by pressure fluctuations.
In the research and development and production of this Y-strainer, J-VALVES strictly follows a number of international industrial standards to ensure the consistency of product performance and quality:
Design Phase: With reference to the ASME B16.34 valve design specification, and combined with the hydrodynamics of Y-strainers to optimize the internal flow channel, the balance between minimizing fluid resistance loss and maximizing impurity interception effect is achieved.
Manufacturing and Testing Phase: In accordance with material and manufacturing standards such as ASTM and ASME, the S31803 duplex steel raw materials undergo comprehensive component analysis and mechanical performance testing. Before leaving the factory, multi-dimensional tests such as hydrostatic test and air tightness test are carried out to ensure no leakage and that the structural strength meets the standards.
Connection Phase: The flange connection method conforming to the ASME B16.5 standard is adopted to realize seamless connection with the industrial pipeline system, taking into account the convenience of installation and sealing reliability.
Relying on the corrosion resistance of S31803 duplex steel and the size and pressure advantages of 10-inch 300LB, this Y-strainer can be widely used in the following fields:
Oil and Gas Field: In oil and gas ground gathering pipelines and natural gas purification devices, it filters impurities such as sand and rust to protect downstream precision equipment such as pumps, valves, and flowmeters.
Chemical Field: It is used for the filtration of acid-base solution and solvent conveying pipelines to prevent impurities from polluting the reaction system, ensure product quality, and avoid equipment corrosion and wear at the same time.
Energy and Power Field: It filters impurities in the cooling water and lubricating oil systems of thermal power and nuclear power to maintain system cleanliness and ensure the stable operation of generator sets.
With the core positioning of "industrial valve solutions", this S31803 duplex steel 10-inch 300LB Y-strainer, from material innovation to dimensional optimization, from standard compliance to scene adaptation, fully meets the strict requirements of industrial fluid cleaning. Choosing J-VALVES Y-strainer is to build a reliable "clean defense line" for your industrial fluid system, helping equipment to operate stably for a long period and improving overall production efficiency.