Air Filters
hepa ulpa filter supplier
| Brand | shengtongJH |
|---|---|
| Supply scope | Industrial replacement filters and project filter packages |
| Grade options | H13 / H14 HEPA or U15 ULPA to the specified classification |
| Integral MPPS criteria | H13 ≥99.95%; H14 ≥99.995%; U15 ≥99.9995% under EN 1822 |
| Panel W × H options | 305 × 610 / 610 × 610 / 1220 × 610 mm |
| Depth selection | 66 / 90 mm mini-pleat options; deeper separator builds to housing drawing |
| Frame choices | Aluminium, galvanized steel or stainless steel by construction |
| Seal arrangements | Face gasket, side gel or top gel matched to the receiving housing |
| Media selection | Microglass or suitable membrane, subject to service compatibility |
| Duty information | Rated flow and initial resistance for the exact offered configuration |
| Documentation scope | Product identity, corresponding test record and approved dimensional drawing |
| Packing requirements | Individual media protection, orientation and handling instructions |
Grade criteria describe purchasing requirements. Test results, material grades and compatibility must correspond to the filters actually supplied; certification is not implied for an unspecified product.
Filter sizes, materials, seal positions, documentation and packing can be customized to the project or replacement schedule.
As a HEPA ULPA filter supplier, shengtongJH coordinates sourcing around the actual filter housing and process duty. A useful order identifies the required grade, dimensions, seal and supporting documents, rather than relying on a photograph or efficiency headline.
Replace the filter that fits the system
Begin with the housing opening, sealing arrangement and available depth. Old labels and drawings can help identify the original duty, but dimensions still need to correspond to the part being ordered. A panel that enters the opening can remain unsuitable if its gasket sits on the wrong face or its frame prevents even clamping.
Where several machines use similar-looking filters, keep a separate schedule for each position. Record quantity, airflow direction, seal location and access restrictions. This reduces the risk of installing a visually similar panel in the wrong housing.
Compare grades at an achievable airflow
HEPA and ULPA classes are not interchangeable purchasing shorthand. Choose the class required by the process, then compare resistance at the actual operating flow. A nominal grade increase can create a ventilation problem if the existing fan cannot support the selected construction.
Likewise, a filter's tested efficiency does not establish an entire room's cleanliness. The installed seal, air distribution and operating practices remain part of the outcome.
Ask for evidence attached to the supplied item
Request the product identity and the applicable efficiency and leakage test documentation. Check that the dimensions, grade and airflow basis match the offered filter. A certificate for a different model or a media sample is not sufficient evidence for the complete assembly being purchased.
For project orders, agree the required receiving inspection and any installed integrity testing separately. Retain these records with the equipment maintenance information so later replacement purchases do not lose the original technical requirements.
Make the quotation cover the whole replacement task
Identify whether spare gaskets, prefilters, protective packaging or special delivery sections are needed. Confirm the replacement route and storage conditions before delivery. Sensitive media can be damaged during handling even when the outer carton looks serviceable.
shengtongJH acts as a trading and sourcing supplier. Manufacturing identity and requested compliance evidence should be clear in the accepted supply documents; this page does not claim an owned filter factory or universal stock. For a new ULPA selection, the ULPA filter page explains the interaction between the panel, seal and air system.
Filter sizes, materials, seal positions, documentation and packing can be customized to the project or replacement schedule.