FG-12: The Original Fiberglass Workhorse in a Compact Frame

Product Overview

The FG-12 is a 12-inch gas filter-separator cartridge designed for natural gas, manufactured gas, and other non-corrosive gases including nitrogen, carbon dioxide, propane, and butane. FG Series elements are widely installed in gas gathering stations, compressor stations, distribution stations, and terminal facilities.

The FG Series represents PECO’s original filter-separator technology, first introduced in 1954. The design uses seamless fiberglass tube media that provides reliable filtration across a broad range of operating conditions. FG cartridges are known for their versatility and are widely used as a standard reference in the industry. LEFILTER‘s replacement element offers excellent versatility and cost-effectiveness with shorter lead times than imported OEM products.

The FG-12 is particularly suited for applications with shorter filter housings, such as small metering stations, satellite gathering facilities, and compact pressure regulating stations. Despite its shorter length, it uses the same high-quality glass fiber media as longer models in the FG family.

Key Specifications

Filtration Media Technology

The FG-12 utilizes high-performance glass fiber media with a gradient density structure. Micro-pores are smaller on the inner layer and larger on the outer layer, which increases flow volume and contaminant loading capacity while resisting blockage. The optimized fiber diameter and spacing ensure low filtration resistance and minimal pressure drop across the element.

The glass fiber media provides excellent chemical compatibility and can withstand a wide range of gas stream chemistries. The galvanized steel core provides structural support and prevents media collapse under differential pressure. The combination of glass fiber media and steel core ensures reliable performance even in demanding operating conditions.

Applications

• Natural gas transmission pipelines: Remove pipe scale, rust, and welding slag

• Compressor station suction: Protect compressor valves from abrasives

• City gate stations: Ensure gas quality before distribution

• Custody transfer metering: Prevent meter damage from particulates

• Gas processing plants: Remove dust and particulates

• Gas turbine fuel systems: Protect turbine blades from contamination

Why Choose LEFILTER

LEFILTER is a direct manufacturer with ISO certification. Our FG-12 replacement elements offer reliable filtration efficiency, with NBR as standard seal and Viton available for higher temperature applications. We provide competitive pricing compared to imported OEM equivalents, stock availability for common models, and a 12-month quality warranty. Our technical team supports model selection and provides application guidance.

FAQ

Q1: What is the FG-12 used for?
A: The FG-12 is a natural gas filter-separator cartridge used for gas-liquid and liquid-solid separation. It removes solid particles (pipe scale, rust, dust) and liquid aerosols from natural gas streams to protect downstream equipment such as meters, valves, and compressors.

Q2: What filtration accuracy options are available for FG-12?
A: Options range from 0.3μm to 10μm and above. For applications with precision equipment, 5μm or 10μm is recommended. For filtering fine particles, 0.3μm or 0.5μm is suggested. The choice depends on the specific contaminants and downstream equipment sensitivity.

Q3: When should the FG-12 be replaced?
A: Replace when pressure differential reaches 0.1 MPa (recommended changeout). The maximum allowable pressure drop is 1 MPa. Typical service intervals depend on gas quality and contaminant load, but regular pressure monitoring is the most reliable indicator.

Q4: What sealing options are available for FG-12?
A: We offer NBR as standard, with Viton available for higher temperature and chemical resistance requirements. The galvanized steel core provides structural support and prevents media collapse.