Duplex strainer or twin basket strainer is a type of filter built into a fuel, oil or water piping system and it is used to remove large particles of dirt and debris. The duplex strainer system usually consists of two separate strainer baskets housed. The system also contains a valve handle placed between the two baskets to divert the flow of liquid to one strainer while the other is being cleaned. On some strainers, the valve will work automatically and the strainer will perform a self-cleaning operation.
These types of strainers are installed in the pipeline systems where flow cannot be stopped. Depending upon their NB size they are capable of filtration up to 40 µm. Basket Strainers find use in industries where impurities are mostly solids. Unlike other types of strainers, it is easy to conduct maintenance on these strainers.
Duplex strainers are mainly used in various industries such as process industry, power industry, chemical industry, oil and gas industry, pulp and paper industry, pharmaceutical industry, metals and mining industry, water and waste management, fire fighting industry, refineries and petrochemical plants. Strainers are used to remove hazardous elements that might cause partial or complete breakdown of operations if they get into the system.
For applications requiring continuous flow with minimum loss of pressure, the dual filter provides quality of design and performance. The filter is of cast construction and incorporates two chambers each containing a high-quality stainless steel basket. Flow is diverted from one basket to the other without interruption by turning the handle, which rotates dual cylindrical cocks.
Large filtration areas result in low-pressure drops.
Working pressures up to 50 bar (A300 Series).
Quick release strainer covers and knobs for easy maintenance.
No contamination between filtered and unfiltered liquids.
Wide range of materials, sizes and accessories.
Filtration down to 10 microns.
Duplex strainer - Features
Handle covers chamber in use which prevents accidental opening of pressurized chamber.
Differential pressure indicators available
Packaging & Shipping
We we can ship the goods worldwide either by Ocean or by Air. The packing will be done as per clients' requirements.
Shandong Jiahe Machinery Co., Ltd. manufactures a full line of industrial pipeline strainers including custom engineered fabricated strainers, automatic strainers. Complementary products include valves, valve operators, ball valves, check valves, wafer check valves, knife gate valves, resilient seat butterfly valves, expansion joints, rubber connectors, pneumatic actuators, electric actuators and temporary screens. Shandong Jiahe Machinery Co., Ltd. holds certifications such as ISO 9001:2008 Certificate of Registration, we could provide fabricated strainer designed as per ASME 'U' Section VIII, Div.1 and 'UM' Stamp Certification available, and we follow an approved Quality Manual. Shandong Jiahe Machinery Co., Ltd. performs testing such as hydrostatic testing.
Shandong Jiahe Machinery Co., Ltd. has in-house engineers in order to meet all custom engineered design requirements. We can provide the total solution for pipeline strainer. We have simplex basket strainer, duplex strainer, Y strainer, T strainer, fabricated strainer, automatic strainer, temporary strainer, etc.