I. Core Basic Parameters1. General Technical ParametersParameter Category
Typical Specifications
Description
Applicable Media
Natural gas, manufactured gas, LPG and other non-corrosive gases
Specially designed for purification and filtration in gas transmission and distribution systems
Nominal Pressure
1.6MPa, 2.5MPa, 4.0MPa, 6.3MPa
Covers full working conditions from medium-pressure to high-pressure gas transmission
Operating Temperature
Normal temperature (-40℃~80℃ customizable)
Adapts to climatic conditions in different regions worldwide
Filtration Rating
5μm, 20μm, 50μm, 100μm, etc.
Customizable according to requirements of downstream regulators, flow meters and other equipment
Rated Pressure Drop
<15kPa or <1% of operating pressure
Low-resistance design reduces energy consumption of transmission and distribution systems
Nominal Diameter DN
DN20~DN500
Full range from small-flow gate stations to large-scale regulator stations
Structure Type
Type R/RZ (flanged top cover), Type J (quick-opening blind)
Quick-opening blind version enables fast maintenance and filter element replacement
Filter Element Material
High-precision stainless steel filter element
Washable and reusable, significantly reducing operating costs
Optional Configurations
Quick-opening blind, pressure tapping, drain port, differential pressure gauge
Improves operation and maintenance convenience and working condition monitoring
Applicable Standards
Can be extended to PED/CE, ASME, GB and other domestic & international pressure vessel standards
Meets global market compliance requirements
2. Typical Structural Dimensions (Excerpt)· RXG-R/Z Type (DN50~DN500): total height 416mm for DN50, 2200mm for DN500; length L ranges from 450mm to 1500mm
· RXG-J Type (DN20~DN200): total height 384mm for DN20, 830mm for DN200; length L ranges from 150mm to 400mm
II. Core Selling Points by Regional Market1. European Market (EU / UK / Nordic)Compliance Highlights· Can be extended with PED/CE certification in compliance with EU Pressure Equipment Directive (2014/68/EU); UKCA certification available for the UK market.
· Materials and welding meet ISO 3834 and EN 10204 3.1 certifications, suitable for EU natural gas pipeline networks and hydrogen projects.
· Nordic version customizable to -40℃ low-temperature service, passing DNV GL polar condition tests.
Technical & Value Highlights· High-precision stainless steel filter element (optional 5μm rating) effectively protects core European equipment such as precision regulators and flow meters.
· Low-resistance design (pressure drop <15kPa) aligns with EU Fit for 55 carbon reduction policy and lowers transmission energy consumption.
· Quick-opening blind structure enables easy maintenance and fast connection to regional gas networks in Germany, the Netherlands and other countries.
2. American Market (USA / Canada / Latin America)Compliance Highlights· Customizable versions certified to ASME VIII Div 1/2 and API 526; compliant with CSA standards for Canada and ANSI specifications for Latin America.
· Meets NFPA 54/59 natural gas safety standards in the U.S., eligible for subsidy applications under the U.S. Infrastructure Investment and Jobs Act (IIJA) for gas projects.
Technical & Value Highlights· Highly reliable design adapted to extreme temperature differences in Texas (US) and British Columbia (Canada), with equipment failure rate ≤0.3%.
· Large-flow DN500 size meets gas purification demands for North American shale gas, LNG receiving terminals and large industrial users.
· Standardized flanged interfaces for seamless integration into U.S. natural gas transmission networks and hydrogen refueling station supply systems.
3. Southeast Asian Market (Singapore / Malaysia / Vietnam / Indonesia)Compliance Highlights· Compatible with IMDG/CSC international certifications; registered with Singapore MOM and certified to Malaysia DOSH without additional local modification.
· Complies with hazardous chemical safety regulations across Southeast Asia; explosion-proof and lightning-protection designs facilitate quick port safety inspections.
Technical & Value Highlights· Moisture-resistant and anti-salt spray coating design, with corrosion rate ≤0.03mm/year in 35℃+ high-temperature, high-humidity and coastal environments, extending service life.
· Cost-effective carbon steel / stainless steel versions suitable for LNG receiving terminals and urban gas networks in Southeast Asia, lowering initial investment thresholds.
· Supports small-batch spot supply for rapid deployment in emerging markets such as Vietnam and Indonesia to meet incremental development demands.
4. Middle East Market (Saudi Arabia / UAE / Qatar / Kuwait)Compliance Highlights· Eligible for GCC certification for the six Gulf States, meeting high-end supply chain access requirements of Saudi ARAMCO, UAE ADNOC and others.
· Passes safety tests in 50℃+ high-temperature environments; seals use high-temperature resistant fluororubber for desert extreme climates.
Technical & Value Highlights· High-temperature resistant design ensures stable operation in 50℃ desert conditions, suitable for natural gas extraction and LNG liquefaction in the Middle East.
· Large-flow DN500 size satisfies gas purification demands of large oil and gas fields and hydrogen hubs in the Middle East.
· Integratable with Middle East blue hydrogen / green hydrogen projects, providing an integrated solution for gas purification, preheating, storage and transportation to enhance project competitiveness.
5. African Market (South Africa / Egypt / Nigeria / Kenya)Compliance Highlights· Adaptable to South Africa SABS certification and Egypt GOST certification; eligible for fast SONCAP filing in Nigeria.
· Lightweight support structure suitable for simple African ports and non-standard lifting equipment, with easy handling.
Technical & Value Highlights· Dual model of cost-effective basic version plus customized services, suitable for urban gas networks and mining industrial gas purification in Africa.
· Simplified structural design with universally available core accessories, delivering low maintenance costs for regions with limited after-sales resources.
· Supports knockdown export and local assembly, reducing tariff costs by 15%~20% compared with full-container export, in line with African industrial localization policies.
III. Global Universal Core Selling Points1. Application-Specific Design: Specially engineered for gas transmission and distribution systems, perfectly protecting regulators, flow meters and other core equipment and extending their service life.
2. High Efficiency & Reliability: High-precision stainless steel filter elements with filtration efficiency ≥99%, washable and reusable to reduce full-life-cycle operating costs.
3. Low Resistance & Energy Saving: Pressure drop ≤15kPa, minimizing gas transmission energy consumption and complying with global green energy development trends.
4. Flexible Adaptability: Full size range DN20~DN500, supporting customization of pressure, temperature, filtration rating, structure type and other parameters.
5. Full Certification Compatibility: Can be extended with major international certifications including PED/CE, ASME, GCC, SABS, enabling “one unit for global use”.
