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Chaoyang District of Beijing City
Beijing Zhihong Hengtuo Technology Co., Ltd
Chaoyang District of Beijing City

The United Filtration Mini series filter housing is made of 316 stainless steel material and is a compact high-pressure filter housing. This series of products is suitable for gas or liquid filtration scenarios with limited space and high pressure requirements, especially for use as precision filters in natural gas vehicle fuel systems, high-pressure gas analysis sampling, CNG dispensers, and other processes. For systems with high liquid content, shorter filter cartridges can be installed to increase the storage space.
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316 stainless steel shell
The shell is made of 316 stainless steel material, which has good corrosion resistance and mechanical strength, and is suitable for various industrial gas media.
compact design
This series of filter housings adopts a compact structural design with a small overall size, making it easy to install in systems with limited space. The filter housing can be equipped with SAE ports for easy connection to high-pressure piping systems.
Filter configuration
The shell supports two filtering methods: coalescing filtration and bypass filtration, which users can choose according to their actual media and purification needs.
| Specification item | parameter |
|---|---|
| Shell material | 316 stainless steel |
| rated pressure | 5,000 PSIG |
| interface type | SAE port |
| Filter method | Agglomeration filtration/bypass filtration |
| Applicable filter types | Different precision filter cartridges can be selected according to needs |
| Number of connection ports | 3-Port Configuration |
Related pressure levelsThis series of shells offers multiple pressure levels to choose from, including 1500 PSIG, 3000 PSIG, 6000 PSIG, and 10000 PSIG.
CNG fuel dispenser/distribution stationUsed as a second stage filter for further purification of compressed natural gas
High pressure liquid treatmentSuitable for high-pressure liquid filtration in chemical processes
Natural gas vehicle fuel systemFine filtration device installed at the front end of fuel filling or engine intake
High pressure gas analysis samplingGas purification pretreatment for sampling pipelines
Dry Seal Gas PanelsProvide clean sealed gas source for the dry gas sealing system of the compressor
Compact structure, suitable for small spaces
The Mini series has a compact appearance and is suitable for installation in systems or cabinets with dense equipment and limited space, reducing the requirement for installation space.
316 stainless steel material
The shell is made of 316 stainless steel, which has good corrosion resistance and is suitable for various industrial gases and liquid media, helping to extend the service life of the shell in long-term use.
SAE port configuration
Provide SAE standard interface for quick connection with high-pressure system pipelines, reducing the number of adapter accessories.
Aggregation and bypass filtration
Supports both aggregation and bypass filtration methods, which can be selected according to actual working conditions such as medium liquid content and dust content.
Multiple pressure levels to choose from
In addition to 5000 PSIG, this series of shells also offers pressure levels of 1500 PSIG, 3000 PSIG, 6000 PSIG, and 10000 PSIG to meet the working pressure requirements of different systems.
The Mini series filter housing can be used in conjunction with various types of filter cartridges to achieve filtering effects of different precision and functionality. When selecting, the following factors are mainly considered:
| Optional factors | explanation |
|---|---|
| Media Type | Gas/Liquid |
| filtration accuracy | Select the corresponding accuracy according to the particle size requirements |
| Filter element material | Polypropylene/glass fiber and other related materials |
| Filter cartridge length | Standard or short version can be selected based on the compatible length of the shell (short version helps increase the storage space) |
Before installation, confirm that the system has been depressurized and ensure that the connection parts of the housing are clean and free of impurities.
Confirm that the sealing surfaces of the SAE interface and pipeline fittings are intact, and tighten them with the required torque during installation.
When replacing the filter element, first close the intake and exhaust valves to release the residual pressure inside the housing, and then open the housing for replacement operation.
It is recommended to regularly drain the accumulated liquid at the discharge port of the housing (if equipped) to maintain the filtration effect and extend the service life of the filter element.
After replacing the filter element, a leak test should be conducted to confirm that there is no gas leakage at each interface before putting it into operation.
