Precision Direct Back Hydraulic Return Line Oil Filter
Products Description

The Polyester Needle Punched Filter Material (HL500 Series) is a high-porosity, wear-resistant filtration solution for multi-scenario industrial dust removal. It comes in sub-series (easy-cleaning, antistatic, water/oil-repellent) and supports customization, ensuring efficient dust removal across diverse industrial applications.

The Polyester Needle Punched Filter Material (HL500 Series) is a high-porosity, wear-resistant filtration solution for multi-scenario industrial dust removal. It comes in sub-series (easy-cleaning, antistatic, water/oil-repellent) and supports customization, ensuring efficient dust removal across diverse industrial applications.
Performance and characteristics:
Structural Design
The Polyester Needle Punched Filter Material (HL500 Series) is manufactured by needle-punching 2D polyester fibers onto a polyester filament base fabric. It undergoes post-treatment processes including singeing, pressing, and shaping, resulting in a structurally robust material. The series is further segmented into specialized sub-series:
HL500Ⅰ Sub-Series: Features a smooth surface for reduced dust adhesion.
HL500Ⅲ Sub-Series: Incorporates special conductive fibers to prevent static charge accumulation.
HL500Ⅳ Sub-Series: Undergoes PTFE waterproof treatment for enhanced water and oil repellency.
Function and Performance
It exhibits high porosity, excellent wear resistance, folding resistance, and good air permeability, making it effective for general industrial dust removal. The sub-series offer targeted functionalities:
HL500Ⅰ enables easy dust release during cleaning, boosting dust removal efficiency.
HL500Ⅲ is suitable for flammable and explosive dust environments (e.g., coal dust, flour dust).
HL500Ⅳ performs well in high-moisture flue gas treatment with anti-condensation properties.
4. Application Scenarios
This series is widely applicable to multi-scenario industrial dust removal needs:
General industrial dust collection systems.
Flue gas filtration in environments with flammable/explosive high-concentration dust.
High-moisture flue gas treatment where anti-condensation and bag-fouling resistance are critical.
Model, Size and Technical Parameters
| Filter Material Model | Thickness (mm) | Weight (g/㎡) | Temperature Resistance (℃) | Breaking Strength (N/5×20cm) | Elongation (%) | Air Permeability (L/(m²·s)) |
|---|---|---|---|---|---|---|
| HL500 | 1.8 | 500±20 | ≤130 | Warp: 1000 / Weft: 1200 | Radial: 50 / Weft: 50 | 150-250 |
| AL550 | 1.8 | 500±20 | ≤130 | Warp: 1100 / Weft: 1250 | Radial: 50 / Weft: 50 | 150-250 |
Note: Different specifications and models can be customized according to user requirements.
Certificate



Company Profile

About us

Company Overview Henan Hengyuan Technology Co., Ltd. is situated in Nanpu Juren Road, Changyuan City, Henan Province. It boasts modern technical equipment and robust economic strength.
Product Scope Specializes in the R&D, manufacturing, and sales of various filters and purification products, including primary, intermediate, sub-high efficiency, and high efficiency air filters, precision equipment dust screens, fresh air/return air screens, activated carbon filters, dust removal series, liquid filters, other purification equipment, and laminar flow purification room products.
Application Fields Products are widely used in electronics, photovoltaic, healthcare, electronic technology, biopharmaceuticals, food and beverage, chemical coating, automotive manufacturing, rail transit, communication equipment, and other industries.
Enterprise Philosophy & Commitment Follows the philosophy of "quality first, integrity-based, win-win cooperation, and pursuit of excellence", provides high-quality services to customers, and strives to be an overall filtering solution provider for a better living environment.
Exhibitions Participated








Production Environment




workshop&equipment




Packaging & Shipping


Before the logistics transportation, we will have multiple processes to inspect and package the products to ensure that each product is delivered to customers with good quality.

Shipping
1. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;
2. Customers specifying freight forwarders or negotiable shipping methods!
Delivery time
15-30 days after receiving your payment or order confirmation
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