Garlock GYLON HP 3561 is a barium sulfate-filled PTFE sheet reinforced with a 316L stainless steel perforated insert, engineered for flanged gaskets subjected to severe loads and pressure-temperature fluctuations. The manufacturer rates this material for pressures up to 172 bar (2,500 psi) and a maximum temperature of 260°C (500°F).
Our Quebec facility manufactures custom-cut flat gaskets to your exact specifications. VAMECA can also evaluate the supply of this part number or engineer a suitable replacement.
AT A GLANCE
Filled / Restructured PTFE
Product Family
PTFE
Material Composition
Barium sulphate-filled PTFE with perforated 316L stainless steel insert
Maximum temperature and pressure limits cannot be applied simultaneously.
TEMPERATURE
Continuous: 260 °C · Rated Max.: 260 °C
PRESSURE
172 bar (catalogue maximum, verify based on P/T rating)
THICKNESSES
Thickness specifications not available in source documentation
Applications and Key Features
Published applications include caustic media, chlorine, water, steam, hydrocarbons, gases, and select cryogenic services. Garlock advises consulting their Applications Engineering team for flange ratings exceeding Class 300.
Published Testing and Approvals
Standards, Testing, and Certification References
Standards / Testing: ASTM F36, ASTM F38
PART NUMBER ANALYSIS
KEY COMPARISON CRITERIA
The barium sulphate filler distinguishes HP 3561 from the silica-filled HP 3560, despite their similar reinforcement structure.
Need this gasket, custom cutting, or a replacement?
Part Number: Garlock GYLON HP 3561
Please provide the part number, thickness, dimensions, quantity, and process fluid. We will review material availability for the specified grade, custom cutting at our Quebec facility, or an engineered alternative tailored to your assembly.
The manufacturer's latest datasheets, certifications, and P/T curves must be reviewed prior to ordering or substitution.
Barium sulphate-filled PTFE reinforced with stainless steel. Differentiate between the unreinforced version and the silica-filled HP 3560. Associated reference configurations: GYLON 3510 (barium sulphate-filled PTFE), GYLON HP 3560 (filled/restructured PTFE), and TEADIT TEALON TF 1580 (filled/restructured PTFE).
REFERENCE SHEET
TEADIT
Barium sulfate-filled restructured PTFE
REFERENCE SHEET
Garlock
Silica-filled PTFE, perforated 316L stainless steel insert