Free O-ring groove design calculators for face seal and piston/rod applications. Calculate groove dimensions per AS568 and ISO 3601, or identify an O-ring from physical measurements.
O-Ring Groove Calculator
Calculates groove width, depth, and tolerances for face seal, piston, and rod seal applications. Supports AS568 and metric sizes with squeeze and gland fill validation.
O-Ring Identifier
Identify an O-ring’s AS568 or metric designation from measured ID, OD, and cross-section. Shows closest matches with tolerance bands.
Lip Seal Size Lookup
Find standard DIN 3760 / ISO 6194 rotary shaft seals by shaft diameter. 112 metric and inch sizes with speed limits and material options.
Seal Material Compatibility Checker
Check elastomer compatibility with 56+ fluids and chemicals. 10 materials (NBR, FKM, EPDM, PTFE, etc.) with A/B/C/D ratings.
Hydraulic Seal Selector
Build complete cylinder seal stacks with rod seals, piston seals, wiper seals, and guide rings. Pressure-based selection with SVG diagram.
Seal Groove Calculator
ISO 5597/6195 groove dimensions for hydraulic rod, piston, and wiper seals. Pressure-dependent extrusion gap calculations.
Gasket Bolt Load Calculator
ASME PCC-1 flange bolt load analysis. 114 ASME and DIN flange configurations with bolt torque and gasket seating calculations.
O-Ring Design Fundamentals
A properly designed O-ring groove is critical for reliable sealing. The groove must provide adequate squeeze (typically 10-30% of cross-section) while keeping gland fill below 85% to allow for thermal expansion.
Reference Data
For quick lookups, see our O-Ring Groove Dimension Chart and browse all O-ring design articles.
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