Material Compatibility: FKM Swell Rates in Synthetic Compressor OilsLearn why FKM swell rates require 7 controlled test inputs, how ASTM D471 measures volume change, and how to qualify synthetic compressor oils reliably.→Blog Author
Jason Tan
Hello, I'm Jason, a Bepto Pneumatic manufacturing engineer. I help connect drawings, machining tolerance, sealing interfaces, assembly checks, and inspection needs with build-ready pneumatic parts.
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Articles by Jason Tan
89 articles sorted newest first for readers who want one author's pneumatic selection notes in one place.
Ceramic Coatings for Cylinder Rods in Abrasive Mining ApplicationsOerlikon’s Metco 5241 HVOF coating is over 98% dense. Learn how to specify carbide-coated cylinder rods for abrasion, corrosion, seals, and mining service.→
Die-Cast vs. Extruded Aluminum: Metallurgical Differences in Cylinder BarrelsCompare die-cast and extruded aluminum cylinder barrels by alloy, temper, defects, bore finish, inspection, and verified pneumatic pressure ratings in service.→
Analyzing Permeation Rates of Gases Through Cylinder Seal MaterialsLearn how Parker's five-input O-ring approximation estimates gas permeation, why film data cannot prove cylinder leakage, and how to specify a valid hold test.→
Wiper Ring Mechanics: Exclusion Efficiency vs. Rod DragLearn how pneumatic wiper rings balance contamination exclusion and rod drag using 2 friction measurements, product limits, inspection evidence, and ISO 6195.→
Lip Profile Optimization: Balancing Sealing Force and FrictionUse a 2019 pneumatic-seal study and matched friction, leakage, wear, surface, and duty tests to validate lip profiles without universal geometry rules.→
Quad-Ring vs. O-Ring: Cross-Sectional Dynamics in Reciprocating MotionCompare a four-lip X-ring with a circular O-ring in reciprocating service, covering twist risk, groove compatibility, friction, materials, and validation.→
Leakage Pathways: Micro-Analysis of Scratched Cylinder BoresLearn when cylinder-bore scratches become leak paths, how to isolate competing faults, inspect damage, quantify leakage, and choose repair or replacement.→
The Physics of Extrusion Gaps: Preventing Seal Failure at High PressuresCalculate radial extrusion gap, use 2 backup rings for reversing-pressure O-rings, account for heat and wear, and diagnose pneumatic seal nibbling correctly.→