Garlock GRAPH-LOCK 3128 HOCHDRUCK is an ultra-high purity multilayer flexible graphite sheet (carbon content exceeding 99.85%), reinforced with thin 316 stainless steel inserts. Engineered with an adhesive-free bond, this construction delivers superior blowout resistance.
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
Multi-layer graphite
Product Family
Graphite
Material Composition
Multilayer flexible graphite with 316 stainless steel foil inserts
Maximum temperature and pressure limits cannot be applied simultaneously.
TEMPERATURE
Min. -240 °C · Catalog Max. 454 °C · Steam 650 °C
PRESSURE
138 bar (catalogue maximum, verify according to P/T rating)
THICKNESSES
Thickness specifications not available in source documentation
Applications and Key Features
Garlock supplies this material in sheet form or as cut gaskets. Their technical specifications rate it from -240 to 454°C, up to 650°C in steam service depending on the application, and a maximum pressure rating of 138 bar, subject to pressure × temperature (P×T) limits.
PART NUMBER ANALYSIS
KEY COMPARISON CRITERIA
The 3128 multi-layer stainless steel construction differs from GRAPH-LOCK styles featuring a single insert, wire mesh, or smooth foil.
Need this gasket, custom cutting, or a replacement?
Part Number: Garlock GRAPH-LOCK 3128
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.
Multi-layer graphite with stainless steel foil inserts. Verify the number of inserts and blow-out resistance performance. Related reference specifications: TEADIT GR 1700 (multi-layer reinforced expanded graphite), Durlon FGM316 (expanded graphite >=98% carbon), and LATTYgraf HPML (expanded graphite >99% C).