The E7 4536 FZF natural gas coalescing filter element is a high-efficiency filtration component designed for use in natural gas and hydraulic oil systems, primarily serving to remove solid particles and liquid impurities—such as oil mist and water mist—from gases or liquids. The following is a summary of the detailed technical specifications and features of this filter element:

Parameter Specific Value/Range

Filtration Precision Glass Fiber Media: 1–70 μm; Metal Mesh Media: 3–400 μm; Filter Paper Media: 5–40 μm

Operating Temperature -30°C ~ 120°C

Max. Operating Pressure ≤ 450 kg (approx. 45 MPa); Note: Some models are rated at 420 kg

Rated Flow Rate 6 ~ 9100 L/min

Differential Pressure Minimum 0.2 MPa

Filter Media Type Glass fiber, metal mesh, filter paper, metal powder, sintered metal, sintered felt, polypropylene, etc.

Sealing Material Nitrile rubber (NBR), Fluororubber (FKM)

Working Medium Natural gas, hydraulic oil, diesel fuel, aviation kerosene, oil-gas mixtures, etc.

 Product Features & Working Principle

1. Working Principle

Employs coalescence separation technology to capture impurities via a labyrinthine structure composed of multiple layers of fibrous media.

Tiny liquid droplets gradually coalesce into larger masses—aided by the surface tension effects of specially treated fibers—and subsequently separate through sedimentation under the influence of gravity.

Combines a dual mechanism involving both physical interception and chemical adsorption.

2. Structural Characteristics

High dirt-holding capacity, high flow density, and long service life.

Effectively prevents "carryover phenomena," ensuring that separated impurities do not re-enter the clean gas stream.

Possesses inherent anti-clogging properties, making it adaptable to complex operating conditions.

 Key Application Areas

Natural Gas Processing Removal of impurities such as moisture, oil mist, solid particles, and sulfides from natural gas.

Hydraulic Systems Filtration for hydraulic systems in steel rolling mills and continuous casting machines, as well as filtration for various lubrication equipment.

Petrochemical Industry Separation and recovery of products and intermediates in refining and chemical production processes; particulate filtration for oilfield water injection and natural gas

Power Industry Purification and treatment of oils and fluids in power plants and stations

Other Industries Steel mills, tunnel boring machines, mining, papermaking, marine vessels, chemical manufacturing, textiles, construction machinery, etc.

Leah      Sales Manager

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