5 articles
Technical Articles
In-depth reference material for engineers, maintenance teams and OEM designers working with hydraulic, pneumatic and rotary sealing systems.
- Technical ArticlesO-Ring Groove Design — Squeeze, Fill, Elongation and Back-Up RingsO-ring groove design with dimension tables: squeeze, groove fill and stretch targets for piston, rod and face seals to ISO 3601, AS568 and JIS B 2401.10 min · Updated 2026-10-08
- Technical ArticlesSakagami Seal Installation InstructionsStep-by-step installation method for Sakagami packings, ST/STK and SMJ seals, rotary joints, SDR/SCK/SCB/SDB wipers, S-LEEVE bearings and KCS/YCS/PCS cushion seals.9 min · Updated 2026-08-13
- Technical ArticlesJapanese Industrial Seals: Finding Replacements for NOK, Sakagami and Machine Tool SealsHow to identify and replace Japanese oil seals and hydraulic packings — NOK type codes, Sakagami profiles, JIS glands, machine tool seals and what evidence we need.11 min · Updated 2026-08-11
- Technical ArticlesHow Does an O-Ring Work? Squeeze and Pressure ExplainedLearn how O-rings seal through compression and fluid pressure, with practical guidance on squeeze, groove fill, hardness and preventing leaks.9 min · Updated 2026-08-08
- Technical ArticlesChamfers, Lead-Ins and O-Ring Installation DamageLead-in chamfer angles and dimensions by O-ring section, assembly rules for threads and cross-drilled ports, and how to tell installation damage apart from genuine service failure.8 min · Updated 2026-08-08