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Drawings & Specs

JIS grades, drawing notes, and the documents Japanese suppliers send.

50 guidesShowing 1–12

Drawings & SpecsVA vs W: Apparent vs Real Power and How to Read UPS SpecsLearn VA vs W, apparent vs real power, kVA to kW and amps for 3-phase 200/400/480 V, and how to read the two output limits on a UPS spec from Japan.Oct 23, 2026Drawings & SpecsThermocouple vs RTD: JIS/IEC Classes on Japanese EquipmentCompare thermocouples and RTDs on Japanese specs: JIS C 1602/1604 vs IEC 60584/60751 classes, Pt100 vs JPt100, and JIS vs ANSI cable colors.Oct 22, 2026Drawings & SpecsCast-In vs Post-Installed Anchors: Methods and When to UseCast-in (sakiume) vs post-installed (atouchi) anchors on Japanese drawings: how each is fixed, what to check, how they map to ACI 318, plus a checklist.Oct 22, 2026Drawings & SpecsJIS Bolt Grades 8.8 vs 10.9 vs 12.9: Strength and TorqueRead JIS bolt property classes 8.8, 10.9, and 12.9, compare them with SAE Grade 5 and 8, pair nuts, and see how Japanese torque tables are calculated.Oct 22, 2026Drawings & SpecsFuel Oil A, B, C in Japan: JIS K 2205 Grades ComparedJapan's fuel oil A, B, C under JIS K 2205: viscosity, sulfur, ash limits, ISO 8217 and ASTM D396 comparison, preheating, cost per GJ, and a checklist.Oct 22, 2026Drawings & SpecsProcess vs Utility Piping: How Japanese Plants Divide ThemLearn how Japanese plants split process and utility (yoeki) systems, how the line shows up on drawings, and what to confirm on utility scope in quotes.Oct 22, 2026Drawings & SpecsJIS Plating Callouts (Ep-Fe/Zn8/CM2) and ASTM EquivalentsDecode Japanese plating callouts like Ep-Fe/Zn8/CM2: zinc, nickel, chrome, and electroless nickel, trivalent chromate, and closest ASTM B633/B733 specs.Oct 22, 2026Drawings & SpecsNSK, NTN, Koyo Bearing Numbers: Suffix Codes and EquivalentsRead NSK, NTN, and JTEKT (Koyo) bearing numbers: basic number, bore code, and suffixes like DDU/LLU/2RS, C3, P5, and what to match in an equivalent.Oct 22, 2026Drawings & SpecsJapanese Machine Control Panels: UL 508A, NFPA 79, and CEBuying a Japanese machine for the US or EU? Learn what to tell the supplier about UL 508A, NFPA 79, NEC SCCR, and CE marking, with a question checklist.Oct 22, 2026Drawings & SpecsHow to Read Ladder Diagrams: Mitsubishi and Omron BasicsRead PLC ladder diagrams on Japanese machines: a/b-contacts, coils, seal-in, interlock, timer, and counter circuits, plus Mitsubishi vs Omron notation.Oct 22, 2026Drawings & SpecsHow to Read P&ID Instrument Symbols: ISA-5.1 vs JISRead P&ID instrument tags like FIC-101, bubble lines, and signal lines on Japanese drawings: ISA-5.1 vs JIS Z 8204 letters, legend terms, and a checklist.Oct 22, 2026Drawings & SpecsDatum Selection in GD&T: JIS vs ASME on Japanese DrawingsLearn how to select primary, secondary, and tertiary datums on Japanese drawings, how JIS compares with ASME Y14.5, and why datum measurements disagree.Oct 22, 2026