Download how to choose the right filter housing Download catalogue for doctop filter monofilament filter bags feature a wide range of retention ratings. The different materials cover many applications with demanding chemical and thermal properties. These filter bags are designed for surface filtration to retain particles that are larger than the respective pore size. SENTINEL and SNAP-RING mono-filament filter bags for surface filtration • Non-deformable mono-filament material is woven into a specific pattern with fusion-welded intersections for extra strength and a retention rating • All nylon mono-filament filter bags with the FDA seal ring have an inseam for safe filtration • All nylon mono-filament grades <125 micro are manufactured with a twill-tape envelope on the side seam and bottom seam to prevent liquid bypass through the needle holes • The pressure-activated FDA seal ring provides a flexible, chemically resistant seal which adapts to any bag filter housing • Doctopfilter strongly recommends the use of an insertion tool that facilitates the insertion of the filter bag into the bag filter housing and ensures the correct alignment of the filter bag inside the restrainer basket Application: • Paints and varnishes • Inks • Resins • Chemicals • Aggressive solvents

Download how to choose the right filter housing Download catalogue for doctop filter Liquid snap Ring filter bag snap ring filter bags are manufactured to the highest standards. Materials must meet stringent specifications for filtration performance and media purity. Production under ISO 9001:2008 quality systems ensures reliability and repeat ability from order to order, year after year. Sewn construction and reliability at an affordable price • Heavy-duty sewing thread and the metal seal ring are produced to doctopfilter specification • The snap ring with material of ss,carbon steel and so on. • The snap ring can be adapts to any bag filter housing • Material is free from silicone and crater-forming substances • doctopfilter strongly recommends the use of an insertion tool that facilitates the insertion of the filter bag into the bag filter housing and ensures the correct alignment of the filter bag inside the restrainer basket Applications • Paints and varnishes • Inks • Chemicals • Solvents

Download how to choose the right filter housing Download catalogue for doctop filter SNAP RING filter bags are manufactured to the highest standards. Materials must meet stringent specifications for filtration performance and media purity. Production under ISO 9001:2008 quality systems ensures reliability and repeat ability from order to order, year after year. Sewn construction and reliability at an reasonable price • Heavy-duty sewing thread and the metal seal ring are produced to doctopfilter specification • The SNAP-RING seal ring adapts to any bag filter housing • Material is free from silicone and crater-forming substances (including HT material) • doctopfilter strongly recommends the use of an insertion tool that facilitates the insertion of the filter bag into the bag filter housing and ensures the correct alignment of the filter bag inside the restrainer basket Application • Paints and varnishes • Inks • Chemicals • Solvents

Download how to choose the right filter housing Download catalogue for doctop filter LPSL filter cartridges are specially designed for sterilizing filtration of plasma fractionation. They are featuring extremely low extractables with no more than 10mg/10”, longer service life with 40 cycles of SIP. These filters can powerfully ensure final product quality. Features and Benefits ● Double layer hydrophilic PES Membrane ● Low protein binding ● Extensive drug compatibility for critical applications ● Extremely low extractables Quality ● Cartridges produced in a controlled environment ● Manufactured according to ISO9001 certified Quality Management System Ordering Information LPSL Low Extractable and Longer Service Life Filter Cartridge for Plasma Fractionation Application: • Plasma Fractionation • Sterile Injection Powder • Vaccines • Sterile Injection Powder • Small & Large Volume Parenterals • Plasma Fractionation • Ophthalmic Solutions • Facilities Water • Cell Culture Media Preparation • Active Pharmaceutical Ingredients • Beer Filtration • Wine Filtration • Bottled Water Filtration • Soft Drink Filtration • Dairy Filtration • High Fructose Syrup Filtration • Semicon Filtration • Ultrapure/DI Water Filtration • Photoresist Filtration • Display Filtration • CMP Slurry Filtration • Inkjet Inks Filtration • Water Filtration • Chemicals Filtration

Download how to choose the right filter housing Download catalogue for doctop filter LPM filter cartridges are characterized by high-performance, hydrophilic mixed cellulose esters membrane, offering high flow rates, low protein adsorption and superior microbiological safety. These filters are designed to reduce costs and are especially suited for in prefiltration of vaccines. Features and Benefits ● Low protein binding ● Superior throughputs and cost-effective ● High retention efficiency for more critical degrees of prefiltration Quality ● Cartridges produced in a controlled environment ● Manufactured according to ISO9001 certified Quality Management System Ordering Information LPSL Low Extractable and Longer Service Life Filter Cartridge for Plasma Fractionation Application： • Plasma Fractionation • Sterile Injection Powder • Vaccines • Sterile Injection Powder • Small & Large Volume Parenterals • Plasma Fractionation • Ophthalmic Solutions • Facilities Water • Cell Culture Media Preparation • Active Pharmaceutical Ingredients • Beer Filtration • Wine Filtration • Bottled Water Filtration • Soft Drink Filtration • Dairy Filtration • High Fructose Syrup Filtration • Semicon Filtration • Ultrapure/DI Water Filtration • Photoresist Filtration • Display Filtration • CMP Slurry Filtration • Inkjet Inks Filtration • Water Filtration • Chemicals Filtration

Download how to choose the right filter housing Download catalogue for doctop filter LFC filter cartridges are manufactured from activated carbon fiber and polypropylene components, developed for decolorization, deodorization and unwanted adsorption, especially for oxidizing substances and organic impurities removal in bottled water industry. They can provide high flow rates at low pressure drops, non-toxic substance releasing and convenience for use. In addition, they are economical alternative to granular activated carbon cartridges. Features and Benefits ● High throughputs and high adsorption ability ● Broad chemical compatibility ● Easy to regenerate ● No hazardous substances releasing ● Resistant to acids and bases Quality ● Cartridges produced in a controlled environment ● Manufactured according to ISO9001 certified Quality Management System Specification LFC Filter Cartridge for Bottled Water Materials of Construction Filter Media Activated Carbon Fiber (ACF) Core, Cage PP End Caps PP O-rings/Gasket Silicone/EPDM/Viton Sealing technology Thermal Bonding, No Adhesives Dimensions Diameter Φ 68 (2.67 in) Length（in） 5, 10, 20, 30, 40 Filtration Area ≥ 5.4 ft2/10 in (≥ 0.50 m2/250 mm) Pore Size, μm 1.0, 3.0, 5.0 Maximum Forward Differential Pressure 4.2 bar@23℃（60.9 psi @73.4℉） 1.5 bar@85℃（21.7 psi @185℉） Sanitization May be hot water sanitized for 15 cycles using purified water at 85℃(185℉) for 30 minutes. Ordering Information LFC Filter Cartridge for Bottled Water

Structure: Frame Filter Media Seperator Flange Aluminum/Galvanised steel Meltblow PP/Glassfiber Stiff corrugated cardboard With header/no header Product Features: - Large airflow - Low pressure drop - Firm contruction Application Secondary filtration in central ventilation systems, particularly to protect and extend the life of HEPA/ULPA filters. They are suitable for use in ventilation and air conditioning systems of various airflows.

Detailed informations(Products): 1. High Efficiency; 2. Superior dust-holding capacity; 3. Installation:  Practical for both vertically and horizontally; 4. HEPA rated efficiency : H10-14. Materials: Item Material(Standard) Frame ABS plastic,aluminum sheet,galvanized steel sheet Filter Media Glass fiber,synthetic fiber Separator Hot melt Sealant Polyurethane Gasket EVA,EPDM,Neoprene Temperature Limit 100℃ Humidity Limit 100%RH Comprehensive advantages(Company): 1. The biggest manufacturer of filters in China; 2. H&V`s biggest customer in China; 3. Our vast experience and a state-of-the-art laboratory enable us to provide customization; 4. Welcome you to our factory and you will be convinced by our advanced workmanship and big scale. Application: V-bank HEPA filters widely used in high-volume airflow facilities, such as power plants. They are also used as pre-filters for final stage filters or ULPA filters.

Features: Panel pre-filters are  widely used for primary filtration. 1. Superior dust-loading capacity; 2. Low pressure drop for low cost; 3. Large air flow Structure: Item Material(Standard) Material(Alternative) Filter Media Synthetic fiber/Glassfiber/Cotton/Non-woven fabrics Frame Cardboard Aluminum/Galvanized Protect Mesh Aluminum net Stainless Steel net Filtration Efficiency G2,G3,G4 Average Arrestance 85%-96%@5micron Initial Resistance 30-50Pa Final Resistance 200-250Pa Temperature Limit 100℃ Color Blue or white Application: Pleated Pre-Fitlers widely applied in gas turbine air inlet housing, air conditioning and ventilating system as a prefilter before medium filters and HEPA filters.

Soft ice cream machine LB-F33 Product feature: 1.Low noise, energy saving and environmental protection 2.Real-time counting 3.The new LED screen, simple operation 4.Voltage, temperature, failure at a glance Specification： cooling method: Air-cooling Model LB-F33 Output 26-30L/H voltage 220V/50HZ Power 2400W Accumulator capacity 5.3L*2 Refrigerant capacity 2.0L*2 Dimensions /(L*W*H) After packing 820*6501360mm Size 715*540*1260mm Operation panel LED display 1. Instant display voltage 2. Display the number of expected 3. Fault display 4. Molding ratio display 5. Display machine work phenomenon Weight net weight 120KG gross weight 128KG Material Stainless steel (201,304) Color spray steel (bright orange, elegant gray) Above models are 220V/50Hz/1Ph Testing condition：Ambient temp.21℃-25℃ Applications:

Introduction Neutral and mild grey with black lines looks like rolling waves and also quietly proud of ink. It is noisy or silen. The Renaissance has vividly the grand and magnificent, solemn and playful Postmodernism. It is the only choice of loft style. Features 1.Green, environmental protection, safety and no radiation The making of Queen Longjade has artificial removal of radioactive elements. It is the modern and safe new-type and green environmental material not like the natural stone with harms to human body. 2.Moist and delicate, like natural jade Queen Longjade is special micro crystal structure, which may produce even and harmonious diffuse reflection effect, and form natural soft texture if emitting from any angles. 3.Hard and wear-resistant, high strength, good toughness Compared with natural stone, Queen Longjade is characterized by even stone texture, high density, high hardness, anti-bending, anti-impact, not easy to damage. 4.Dense texture, antifreeze, nonabsorbent, easy to clean Queen Longjade has low water absorption rate and is not easy to be polluted. We may not worry about freezing damage and rust, concrete mud, gray infiltration of pollutants harm. In addition to stone whiskering, the pollutants attached on the surface area easy to be cleaned. 5.Strong weather resistance, acid and alkali corrosion, never fade, resistant to weathering Queen Longjade is Inorganic non-metallic material. The special nano crystal structure determines its resistance to acid and alkali, and its corrosion resistance is higher than that of granite and marble. It has prominent weather-resistant property especially, even though it is exposed in wind, rain and polluted air, it will not produce dDeterioration and fading, strength reduction. 6.Plasticity which other stones cannot compare Queen Longjade has larger application space with its excellent physical properties. In addition to the decoration building materials, it may build the varying arts of work or accessories and play the scientific and technical effect which may be compared with natural jade. It has Good performance in aerospace, industry, and other areas of life. 7.Excellent transparency The permanent performance of Queen Longjade may play the perfect effect under the sunshine conditions. The color is even and clear, the light effect is soft and elegant, showing a great sense of vision.

Introduction It is warm and luxurious with modern visual effect. Rich color likes a cup of refreshing Cappuccino, which makes the people more comfortable. Hovering between the royal family and the simple, it looks like a wide men with confidence and proud. Features 1.Green, environmental protection, safety and no radiation The making of Queen Longjade has artificial removal of radioactive elements. It is the modern and safe new-type and green environmental material not like the natural stone with harms to human body. 2.Moist and delicate, like natural jade Queen Longjade is special micro crystal structure, which may produce even and harmonious diffuse reflection effect, and form natural soft texture if emitting from any angles. 3.Hard and wear-resistant, high strength, good toughness Compared with natural stone, Queen Longjade is characterized by even stone texture, high density, high hardness, anti-bending, anti-impact, not easy to damage. 4.Dense texture, antifreeze, nonabsorbent, easy to clean Queen Longjade has low water absorption rate and is not easy to be polluted. We may not worry about freezing damage and rust, concrete mud, gray infiltration of pollutants harm. In addition to stone whiskering, the pollutants attached on the surface area easy to be cleaned. 5.Strong weather resistance, acid and alkali corrosion, never fade, resistant to weathering Queen Longjade is Inorganic non-metallic material. The special nano crystal structure determines its resistance to acid and alkali, and its corrosion resistance is higher than that of granite and marble. It has prominent weather-resistant property especially, even though it is exposed in wind, rain and polluted air, it will not produce dDeterioration and fading, strength reduction. 6.Plasticity which other stones cannot compare Queen Longjade has larger application space with its excellent physical properties. In addition to the decoration building materials, it may build the varying arts of work or accessories and play the scientific and technical effect which may be compared with natural jade. It has Good performance in aerospace, industry, and other areas of life. 7.Excellent transparency The permanent performance of Queen Longjade may play the perfect effect under the sunshine conditions. The color is even and clear, the light effect is soft and elegant, showing a great sense of vision.