SFFILTECH is a brand supplier in dust collector bag house filtration, liquid bag filter filtration, and HVAC filtration systems.

Duplex Filter Housing 1
Duplex Filter Housing 1

Duplex Filter Housing

For Continuous and High Flow Rate Applications An integral valve linkage assembly is available for DUOLINE housings with butterfly valves that permits operation of the valves with a single handle. DUOLINE housings are available in carbon steel or stainless steel for size 02 (double length)...


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    For Continuous and High Flow Rate Applications

    An integral valve linkage assembly is available for DUOLINE housings with butterfly valves that permits operation of the valves with a single handle.

    DUOLINE housings are available in carbon steel or stainless steel for size 02 (double length) filter bags. End connections are either 2" or 3" Flanged.

    Key DOULINE Applications:

    • Automotive

    • Food and Beverage

    • Chemical Processing

    • Paints, Inks, Resins and Coatings

    • Electronics

    • Petrochemicals

    • Municipal Water Treatment

    • Industrial Water Treatment

    • Pulp and Paper

    • Pharmaceutical

    • Lubricants, Metalworking Fluids

    • Solvents

    Company Introduction

    Duplex Filter Housing 2

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    We control every step for the filter bag housing detail with more than 10 years' experience

    We care every detail of the bag house filtration bag, even one small part we wish best quality control You can see the picture detail to see our quality control.

    Bag filter housing

    We have a lot of bag house filtration bag each one we focus on small detail to improve the quality control.


    Paint, beer, vegetable oil, medicine, cosmetics, chemicals, petroleum products, textile chemicals, photographic chemicals, electroplating solution, milk, mineral water, hot solvent, latex, industrial water, syrup, resin, printing ink, industrial waste water, juice, edible oil, waxes.

    Working principle

    Sffiltech series stainless steel bag filter housing is a kind of novel structure, small volume, simple and flexible operation, energy saving, high efficiency, enclosed operation and strong adaptability multipurpose filtration equipment.

    Sffiltech series stainless steel bag filter housing: filter cylinder simplified, the filter head and quick opening structure, stainless steel filter bag reinforce net main components.

    The filter is a pressure type filtering device, the liquid from the filter shell beside the entrance into the pipe bag and device in strengthening network, liquid infiltration had need of degree of fineness of the bag that can be qualified filtrate bag itself is a, impurity particles is capture filter bag. The replacement of the filter bag is very convenient, without the basic filter material consumption.

    Why Choose Us

    Duplex Filter Housing 7

    Duplex Filter Housing 8

    Duplex Filter Housing 9 

    About us

    1,Biggest and oldest filter bag housing supplier in china

    2.Almost every parts made by our self

    3.From 1996 factory and export from 2006

    4.We are not only the supplier but one information center for all the filtration industry

    Equipment & technology

    2,Our every parts are well tested and control

    We wish your coming to be here to check


    3,More than 10 experiences for export

    We have many agents in the world.

    1. We exported from 2006, more than 10 experiences for export market, so we know well of the abroad working condition

    2.We are factory:

    1.1 Our factory started from 1996, the first numbers person in the filtration business, so our technician person more

    than 14 experiences, we know the bag house working condition very well and can offer you our honest


    1.2 Our bag filter housing 304/316 liquid technician have more than 15 years experience.

    1.3 Our bag filter housing 304/316 liquid making technician have more than 16 years experience.

    1.4 We know the china filtration market well also, our goods are around anywhere in china bag house,so we can offer you our best filter bag solution, which can make you save me and get better filtration function.

    1.5 We focus on high quality filter bag housing.with all necessary machines in one factory.

    1.6 We test every parts one by one before shipment with high-tech equipment

    1.7 We have strong after-sales service, service team best service for you.

    1.8 We accept any quantity orders for better service our customers.

    1.9 Our factory person is local person, so our goods is stable

    2.0 We have sample stock for next order, so you can get your data at any time when you come to us for next order.

    3.Low MOQ: our factory have many stock filter bag housing, so we can make any quantity

    order for you.

    4.Low price: We try our best to make sure our price are the lowest anywhere,factory lowest price for you a better

    deal almost every time. We are proud to help you save money on the products you want.

    5.Good quality and Certification we passed FDA,MSDS, ISO9001 and other test.

    Engaged in creating a clean and fresh environment for people, Sffiltech is specialized in duplex filter housing. As one of the best manufacturers and suppliers, we can assure you the best quality and stable performance of our custom products. Please rest assured to buy.

    Doctop filter Factory Show: 

    We will make you the
    promptly response and best service.
    +86 020 - 2213 9352 / Amily Li
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    Shanghai Sffiltech Co., Ltd. is one of the leading & professional companies on the dust filtration & separation products in China
    Contact Us
    Office address: Room NO.5004, North-Buliding, New Cangyuan Tech Building, NO.951 Jianchuan Road, Minhang Disctrict, Shanghai China

    Factory address: 3#201, No.3255 Shengang Road, Songjiang District, Shanghai

    Contact person: Amily Li
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