Customer Cases

Product introduction

PS Series Natural Gas Filter Cartridges are high-performance industrial filtration and coalescence separation elements specially engineered for the full-chain purification of natural gas, from upstream onshore/offshore extraction and gathering to midstream long-distance transmission and downstream terminal utilization (including industrial fuel and civil gas supply). This series is optimized for the unique working characteristics of natural gas systems—high pressure, wide temperature fluctuations, and the coexistence of solid particulates and liquid contaminants—and integrates dual core functions of high-precision solid filtration and efficient liquid coalescence separation. Designed with a standardized modular structure, PS Series cartridges are fully compatible with mainstream natural gas filter separators, skid-mounted purification units, pipeline filter housings and CNG/LNG special filtration equipment on the market. They effectively remove rust, pipeline scale, dust, metal shavings (solid impurities) and condensate oil, water mist, hydrocarbon aerosols (liquid contaminants) from natural gas streams, purifying natural gas to meet international pipeline transmission and industrial application purity standards (API, ISO). By protecting downstream key equipment such as compressors, pressure regulating valves, flow meters, gas turbines and LNG liquefaction/regasification units from abrasion, corrosion and blockage, the series ensures the safety, stability, and energy efficiency of the entire natural gas transmission and utilization system, and is a reliable core purification component for natural gas industry projects worldwide.

Filtration accuracy

PS Series Natural Gas Filter Cartridges provide graded high-precision filtration and coalescence performance to adapt to the purification requirements of different links in the natural gas industry chain, with stable and consistent efficiency under rated working conditions. For solid particulate removal in natural gas, the series offers standard precision grades of 10μm, 5μm, 3μm and 1μm, with filtration efficiency of rated particle sizes reaching up to 99.98%. This thoroughly intercepts fine solid impurities that may cause damage to high-speed rotating equipment and precision metering devices, avoiding abnormal wear and measurement errors. In terms of liquid coalescence and separation, the PS series exhibits excellent capture and aggregation capabilities for micro liquid droplets, with liquid removal precision of 0.5μm and 0.3μm and separation efficiency as high as 99.99%. High-precision models in the series can reduce the liquid content in treated natural gas to below 15 ppm, fully meeting the strict purity requirements of long-distance high-pressure pipeline transmission, LNG liquefaction, gas turbine power generation and high-end petrochemical synthetic gas applications. Notably, the filtration and coalescence accuracy of the series remains unaffected by fluctuations in natural gas pressure, flow rate, ambient temperature and gas composition, with no performance attenuation in high-humidity or high-sulfur natural gas working conditions.

Filter media

PS Series Natural Gas Filter Cartridges adopt hydrophobic and oleophobic modified borosilicate glass fiber as the core coalescing and filtration media, manufactured through an advanced high-temperature adhesive-free hot-melt compounding process. This process completely eliminates chemical adhesives, avoiding secondary pollution of natural gas caused by adhesive dissolution and ensuring the purity of the treated gas. The filter media features a scientific gradient pore size distribution structure: the outer layer with larger pores is responsible for the preliminary interception of large solid particles and coarse liquid droplets, reducing the load on the inner layer; the inner layer with dense small pores realizes fine filtration of micro solids and efficient coalescence of nanoscale liquid droplets. This structural design greatly improves the dirt-holding capacity of the media while maintaining an ultra-low initial pressure drop (≤0.025 MPa), reducing the energy consumption of natural gas transmission. For harsh working conditions such as high-sulfur, high-chloride and high-humidity natural gas, the enhanced models of the series are equipped with PTFE double-coated modified glass fiber media, which further improves the media’s corrosion resistance, anti-adhesion performance and service life. The entire media structure is reinforced with an inner high-strength 304 stainless steel center tube (316L stainless steel optional for corrosive conditions) with high pressure-bearing capacity, and wrapped with an outer anti-impact polypropylene (PP) rigid protective mesh to prevent media deformation, rupture or shedding under the impact of high-pressure natural gas (up to 16 MPa). The end caps are made of high-density epoxy resin with excellent sealing and corrosion resistance, and the sealing interface uses fluororubber (FKM) gaskets with a wide temperature adaptability (-45℃ to 125℃), oil resistance and aging resistance, ensuring zero bypass of unfiltered natural gas and the integrity of the entire purification process.

Replacement cycle

Features

1. Natural gas industry-specific optimization: Exclusively developed for the media characteristics and full-chain working conditions of natural gas, with targeted design of pressure-bearing, filtration and coalescence performance, perfectly matching the purification needs of upstream, midstream and downstream links.

2. Multi-grade precision selection: A complete range of solid filtration precision (1μm/3μm/5μm/10μm) and liquid separation precision (0.3μm/0.5μm) options, meeting the diverse purification requirements of different natural gas application scenarios.

3. High-performance modified composite media: Hydrophobic and oleophobic modified borosilicate glass fiber with gradient pore structure, adhesive-free hot-melt process, large dirt-holding capacity, low pressure drop and zero secondary pollution to natural gas.

4. Super high-pressure bearing and structural stability: Reinforced 304/316L stainless steel center tube, anti-impact PP protective mesh and high-density epoxy resin end caps, able to work stably under high pressure up to 16 MPa without structural damage or deformation.

5. Reliable zero-bypass sealing system: FKM fluororubber gaskets with ultra-wide temperature adaptability and high airtightness, combined with one-piece molded end cap bonding technology, ensure no unfiltered natural gas bypass and consistent purification effect.

6. Strong environmental and medium adaptability: Adapt to the temperature range of -45℃ to 125℃; optional PTFE-coated media and 316L stainless steel components for high-sulfur, high-chloride and high-humidity natural gas systems, with excellent corrosion and aging resistance.

7. Standardized design for easy maintenance: Universal cylindrical structure and standardized installation interface, fully compatible with mainstream natural gas filter separators and purification equipment, no special tools required for disassembly and assembly, greatly reducing maintenance time and labor costs.

8. High cost-effectiveness and long service life: 12–24 months of long service life reduces the frequency of cartridge replacement and system downtime; low initial pressure drop reduces natural gas transmission energy consumption, significantly cutting the comprehensive operating cost of natural gas systems.

9. Compliance with international quality standards: Manufactured in accordance with API 13C, ISO 18873 and other international natural gas filtration and processing standards, with stable product performance and reliable quality, meeting the compliance requirements of global natural gas industry projects.

Application areas

Conclusions

Related products

1. PS-HT High-Temperature Resistant Natural Gas Filter Cartridge: An upgraded version of the PS series, adopting high-temperature resistant ceramic fiber media and high-performance silicone rubber gaskets, suitable for high-temperature natural gas systems with a working temperature up to 190℃, such as natural gas thermal processing plants and high-temperature refinery associated gas transmission systems.

2. PS-CR Full Corrosion-Resistant Natural Gas Filter Cartridge: Equipped with full 316L stainless steel structural components (center tube, protective mesh, end caps) and PTFE double-coated filter media, with super anti-corrosion and anti-adhesion performance, ideal for high-sulfur, high-chloride and high-humidity natural gas systems such as offshore oil and gas fields and western high-sulfur gas fields.

3. PS-FL High-Flow Natural Gas Filter Cartridge: Optimized with an enlarged filtration area and high-density pleat design, the rated flow rate is 3 times that of the standard PS cartridge, suitable for large-flow natural gas purification systems such as national trunk pipelines, large-scale LNG liquefaction plants and industrial park centralized gas supply systems.

4. PS Pre-Filtration Cartridge: A coarse-precision filter cartridge with 20μm/30μm filtration accuracy, made of high-strength polyester non-woven fabric with high dirt-holding capacity, used for pre-filtration of raw natural gas with high impurity content in upstream gathering stations to intercept large solid particles and liquid droplets, which can be used in series with PS fine filter cartridges to extend their service life by 50% or more.

5. PS Series Matching Natural Gas Filter Separator: An integrated high-pressure filter separator skid-mounted unit, perfectly matched with PS filter cartridges, equipped with intelligent differential pressure monitoring, automatic liquid drain valve, pressure relief device and online gas quality detection module, suitable for centralized purification of natural gas in pipeline stations, LNG plants and large industrial gas supply systems.

6. PS-Mini Miniature Natural Gas Filter Cartridge: A small-size variant of the PS series with the same high precision, designed for small-flow natural gas purification systems such as CNG filling station dispensers, industrial small gas turbines and laboratory special gas supply systems.

7. PS-Re Reusable Stainless Steel Natural Gas Filter Cartridge: Made of 316L stainless steel sintered mesh with a multi-layer gradient pore structure, washable, backflushable and reusable, with high pressure-bearing and corrosion resistance, suitable for temporary natural gas purification systems, mobile gas supply units and emergency repair projects.

8. PS Series Natural Gas Purification Auxiliary Equipment: Including automatic drain valves (mechanical/electronic), differential pressure transmitters, natural gas purity analyzers, filter housing blowback systems and media clogging alarm devices, which are matched with PS filter cartridges to realize intelligent monitoring, automatic drainage and predictive maintenance of natural gas purification systems.

PS Liquid Filter Cartridge  Related Models

PS-219-AC-05LV
PS-219-AC-40EB
PS-219-AC-70EB
PS-219-M1C-05EB
PS-219-M1C-10EB
PS-219-OC-20LB
PS-219-S2C-05EB
PS-219-S2C-10EB
PS-219-S2C-20EB
PS-220-AC-00LE
PS-220-AC-00LH
PS-220-AC-02FB
PS-220-AC-05LB
PS-220-AC-05LE
PS-220-AC-10EE
PS-220-AC-10LB
PS-220-AC-10LE
PS-220-AC-20EB
PS-220-AC-20LB
PS-220-AC-20LE
PS-220-AC-40LB
PS-220-AC-70EE
PS-220-FC-02EV
PS-220-FC-10EV
PS-220-FC-10LB
PS-220-OC-02LB
PS-220-OC-05LB
PS-220-OC-05LV
PS-220-OC-15EV
PS-220-OC-40LB
PS-220-S1C-05EB
PS-220-S1C-40EB
PS-220-S1C-70EB
PS-220-S2C-05EB
PS-229-AC-00LB
PS-229-AC-05LB
PS-229-AC-05LV
PS-229-AC-10EB
PS-229-AC-40EV
PS-229-AC-40LB
PS-229-M1C-10FV
PS-229-M1C-20FV
PS-229-OC-70EB
PS-229-S1C-10LB
PS-229-S1C-40EB
PS-230-AC-00FB
PS-230-AC-00LB
PS-230-AC-00LV
PS-230-AC-02FB
PS-230-AC-02LB
PS-230-AC-02LE
PS-230-AC-05EB
PS-230-AC-05LB
PS-230-AC-05LV
PS-230-AC-10LB
PS-230-AC-10LV
PS-230-AC-15LE
PS-230-AC-20EB
PS-230-AC-20EV
PS-230-AC-20LB
PS-230-AC-20LE
PS-230-AC-40EB
PS-230-AC-40LB
PS-230-AC-40LV
PS-230-AC-70LB
PS-230-FC-00LB
PS-230-FC-00LE
PS-230-FC-00LV
PS-230-FC-02EV
PS-230-FC-02FB
PS-230-FC-05LB
PS-230-FC-10EV
PS-230-FC-10LB
PS-230-OC-00FV
PS-230-OC-00LE
PS-230-OC-00LH
PS-230-OC-05LB
PS-230-OC-05LV
PS-230-OC-10LB
PS-230-R2C-10EV
PS-230-S1C-00FB
PS-230-S1C-02EB
PS-230-S1C-05EB
PS-230-S1C-10EB
PS-230-S1C-10LB
PS-230-S1C-10LE
PS-230-S1C-20EB
PS-230-S1C-20LB
PS-230-S1C-40EV
PS-230-S1C-70EB
PS-230-S2C-00LB
PS-230-S2C-02EB
PS-230-S2C-02EV
PS-230-S2C-02LB
PS-230-S2C-05EB
PS-230-S2C-05LB
PS-230-S2C-10EB
PS-230-S2C-10EV
PS-230-S2C-10LB
PS-230-S2C-10LS
PS-230-S2C-20EB
PS-230-S2C-20EV
PS-230-S2C-20LB
PS-230-S2C-40EV
PS-230-S2C-40LS
PS-230-S2C-70LS
PS-230-S3C-02LB

PS-230-S3C-05LB

PS-333-S1C-10EB
PS-336-AC-02LB
PS-336-AC-05EB
PS-336-AC-05EV
PS-336-AC-05LB
PS-336-AC-10LB
PS-336-AC-20EB
PS-336-AC-20LB
PS-336-AC-40EB
PS-336-AC-70EB
PS-336-M1C-10EB
PS-336-M1C-10EC
PS-336-M1C-10LV
PS-336-S1C-02EB
PS-336-S1C-02LB
PS-336-S1C-02LV
PS-336-S1C-05EB
PS-336-S1C-05LB
PS-336-S1C-10EB
PS-336-S1C-10LB
PS-336-S1C-20EB
PS-336-S1C-20EV
PS-336-S1C-20LB
PS-336-S1C-40EB
PS-336-S1C-40EV
PS-336-S1C-40LB
PS-336-S1C-70EB
PS-336-S2C-02EB
PS-336-S2C-05EB
PS-336-S2C-05LB
PS-336-S2C-05LE
PS-336-S2C-05LV
PS-336-S2C-10EB
PS-336-S2C-10EE
PS-336-S2C-10LB
PS-336-S2C-10LE
PS-336-S2C-20EB
PS-336-S2C-20LB
PS-336-S2C-40EB
PS-336-S2C-40LB
PS-336-S3C-10LB
PS-4342-C-231E-C
PS-4342-VC-231E-C
PS-436-N43-10LB

Pheobe 

E-mail： filtersales07@le-filter.com

Whatsapp ：+86 15360521005