News & Technical Articles

May 25, 2026 • 25 min read

Complete combustible dust compliance guide — NFPA 660 (consolidated 2024), Dust Hazard Analysis (DHA), explosion venting NFPA 68, isolation NFPA 69, ATEX zones 20/21/22, and engineering controls for woodworking, food, me…

May 24, 2026 • 22 min read

Complete oil mist collector guide for CNC machining — coalescing filtration stages, HEPA final filters, sizing 600–8,750 CFM, OSHA mineral oil PEL 5 mg/m³, coolant recovery, and machine-mount vs central system selection.

May 21, 2026 • 24 min read

Complete cyclone separator guide — high-efficiency vs high-throughput design, cut point d50, sizing calculations, applications (woodworking, sandblast recovery, cement, mineral processing), and pre-separation before cart…

May 19, 2026 • 22 min read

Complete welding fume extraction guide — source capture vs ambient air, CFM sizing (per ACGIH), OSHA/EU limits for Cr(VI) and manganese, portable extractors, fume arms, downdraft tables, and centralized cartridge systems…

May 17, 2026 • 22 min read

Complete baghouse dust collector guide — pulse-jet, reverse air, and shaker cleaning systems compared; filter fabrics (polyester, Nomex, PPS, P84, PTFE, fiberglass); air-to-cloth ratios; sizing for cement, woodworking, f…

May 12, 2026 • 21 min read

Complete dust, mist & fume collector guide — cartridge, baghouse, cyclone, oil mist & fume extractor types compared. CFM sizing, air-to-cloth ratio, applications (welding, woodworking, metalworking, pharma), and selectio…

May 11, 2026 • 18 min read

Complete shell and tube heat exchanger TEMA guide — front/shell/rear head types, BEM, AES, BEU, AEL, NEN configurations, fixed tubesheet vs floating head vs U-tube, and how to specify the right design for your process.

May 08, 2026 • 17 min read

Complete dowel bar procurement guide — 10 supplier evaluation criteria, documentation checklist, country-specific procurement notes for Africa & Middle East, and how to write a complete dowel bar PO.

May 07, 2026 • 18 min read

Complete dowel bar load transfer engineering guide — Friberg's analysis, LTE calculation, deflection ratios, bearing pressure, dowel diameter design, and pavement performance prediction.