High Temperature Filter
Your Leading High Temperature Filter Supplier
Estalbished in 2010, Suzhou National Purification Technology Co., Ltd. (SNAF) is a production-oriented enterprise integrating R & D, design and intelligent manufacturing. SNAF mainly produce FFU, high temperature filter, air cleaning equipments and all grades of air filters, etc. High temperature filters are specially designed to protect processes at high temperatures. They meet the strictest requirements and maintain their integrity and rated performance values under extreme temperatures.
Why Choose Us?
Production Strength
National Group has invested 150 million yuan, with a total construction area of about 35,000 square meters, including about 4,000 square meters of clean workshops.
Production Market
SNAF mainly export to USA, Japan, Germany, Bulgaria, Singapore, South Korea, Thailand, Dubai, Kazakhstan, etc.
Advanced Equipment
The factory is equipped with modern production equipment, automated production lines and professional testing equipment, which can stably mass-produce qualified products.
Complete Qualifications
SNAF has obtained ISO9001 quality management system certification, ISO14001 environmental management system certification, EU CE certification and US UL certification, and have more than 50 domestic and foreign patents.
Specifications of High Temperature Filter
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Frame: |
SUS 304 |
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Separators: |
Aluminum foil |
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Media: |
Special glass fiber |
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Sealant: |
Epoxy |
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Gasket: |
Silicone rubber |
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Efficiency: |
H13(EN 1822)≥99.95%at MPPS |
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H14(EN 1822)≥99.995%at MPPS |
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Temperature for continuous service: |
≤ 250℃ |
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Humidity: |
≤100%RH |
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Recommended final pressure drop: |
≤600Pa |
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Applications: |
Some hi-temp equipments |

- These filters can withstand extremely high temperatures, making them effective for facilities that routinely experience high heat.
- The filters are composed of special components that resist extreme temperature changes, making them optimal for air filtration at high temperatures.
- The aluminum frame is self-extinguishing and is sturdy enough to repel corrosion inhibitors at high temperatures.
- The filter media is made of fiberglass, which operates perfectly at any temperature.
High Temperature Filter: Inspection and Usage Instructions
Use a strong lamp to examine the exposed areas of the filter to assure that no breaks, cracks or pinholes are evident. A less intense light, such as a flashlight, can be used in a darkened room.
Look for visible defects with the light projected along the full length of each channel created by the separators. All separators should be even and uniform. Separators which are compressed at one edge indicate significant shock to the filter, which probably damaged the media. Translucent spots in the media may or may not indicate holes or cracks.
Small breaks or cracks in the media usually show up on the surface edges of the filter pleats, but are often not detected readily. Even though they are small, they are important. If the filter unit is installed this way, the cracks get bigger, because of the air movement.
After examining each channel, the inspector should carefully examine the adhesive seal around the filter face, to be sure that the seal is complete and unbroken. It should stick tightly to both the frame and the media. Also check the media at the edge of the adhesive. Hairline cracks, dimpled or fuzzy paper at or within 1/2 inch of the joint are clues to hidden damage to the filter.
After a thorough scrutiny of both filter faces, the corner joints of the frame should be checked for adhesive sealing and tightness. The gasket around the edge of the frame should be inspected for tight abutment or mating of strips and good physical condition. Gasket strips should also be examined for full adhesion to the frame.
Usage of High Temperature Filter
High temperature industrial filters are mainly used in the automotive, food and beverage, and pharmaceutical industries. Industrial kitchens or food processing plants often reach very excessive temperatures during their workflow. Because of this, they require strong filters to prevent biochemical waste from transferring through the air-stream.
The pharmaceutical industry makes use of what are called "depyrogenation ovens" in order to create completely sterile vials for medical products which require very high heats to achieve. The automotive industry has countless processes during the manufacturing workflow that require high heat filtration solutions.
Packaging & Delivery
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Packaging |
Inner packaging: Plastic film/foam/corrugated cardboard |
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Outer packaging: Paper box/wooden box/pallet |
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Shipping |
By logistics; by automobile; by train; by shipping; by air. |
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Payment |
T.T with 30% downpayment, 70%before shipment. |
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Paypal or West Union also accept. |
Certificates


As one of the leading high temperature filter manufacturers and suppliers in China, we warmly welcome you to wholesale or buy bulk discount high temperature filter for sale here from our factory. All customized products are with high quality and competitive price. Contact us for quotation.
High Temperature Filter, High Temperature HEPA Filter







