Service Conditions
Gas Properties
Design Parameters
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Understand coalescing filter design, element sizing, two-stage separation, and efficiency calculations
Filter Separator Design
Element Capacity:
Face velocity typically 40-80 ft/min for coalescing elements
Pressure Drop (Clean):
Typical Element Capacities (ACFM/element):
• 6" × 36" Fiberglass: 80-120 ACFM
• 6" × 48" Fiberglass: 100-150 ACFM
• Pleated cartridge: 150-300 ACFM
Service Requirements:
• Fuel gas: ≤0.1 gal/MMSCF outlet
• Instrument gas: ≤0.01 gal/MMSCF outlet
• Custody transfer: Per contract spec
