TECHNICAL LIBRARY
Technical library
Practical guides for fire-protection and water engineers and contractors: product differences, how to choose, and the formulas you need on site. Every article is reviewed by our technical team.
الوصلات المحززةPipe Size Chart: DN, Inch, Outside Diameter and Wall ThicknessOne table linking nominal diameter DN to inch size, outside diameter and Schedule 40 wall thickness, with the key warning when ordering…المحابس والصماماتHow to Prepare a Fire Protection Material Submittal That Is Approved First TimeHow to order a submittal page by page, a compliance table template, and a checklist to run before sending it to the…المحابس والصماماتApproving Fire Protection Materials in Saudi Arabia: From the Consultant to Civil DefenseThe stages fire protection valves and fittings pass through before supply and installation, the documents each stage needs, and the most common…الرشاشات والتصميم الهيدروليكيGlossary of Fire Protection and Piping Terms: English – ArabicMore than 70 terms on valves, grooved fittings, sprinkler systems and testing, with the Arabic equivalent and a short definition of each.الوصلات المحززةThe Complete Guide to Grooved Piping Systems: How They Work, Selection, Installation and InspectionEverything a designer and contractor need on grooved joints: joint components, rigid and flexible couplings, grooved fittings and valves, installation steps, inspection…الرشاشات والتصميم الهيدروليكيThe Complete Guide to Sprinkler Systems in Saudi Arabia: Types, Components and TestingOne reference for a sprinkler system from the tank to the sprinkler: system types, components in order, hazard classification, testing and maintenance,…
الرشاشات والتصميم الهيدروليكيWet Alarm Check Valves: Components and How They WorkHow an alarm valve works in wet sprinkler systems, the role of the retard chamber, pressure switch and water motor gong, and…الوصلات المحززةFlexible Rubber Joints: When to Use Them and How to InstallHow flexible rubber joints isolate vibration and absorb movement at pumps and equipment, common installation mistakes, and the MECH specifications.
الوصلات المحززةMalleable Iron Threaded Fittings: American or British? NPT vs BSPTAmerican versus British malleable iron threaded fittings, why NPT and BSPT threads do not mix, and thread-sealing points for fire systems.المحابس والصماماتUL and FM Approvals: What They Mean and How to Verify ThemUL Listed versus FM Approved, why approvals are per model and size, and how to verify them in the official databases before…الرشاشات والتصميم الهيدروليكيPressure and Supervisory Switches in Fire Systems: Types and UsesHow pressure switches and valve supervisory switches differ, where each is used, and the MECH YLKG and MXHQ specifications.الرشاشات والتصميم الهيدروليكيWater Flow Indicators: How They Work and How to Install ThemWhat a water flow indicator does in sprinkler alarms, how it works, how to install it correctly, and the MECH ZSJZYS specification.
Free engineering tools DN ↔ inch converter, sprinkler flow calculator (K-factor) and pressure unit converter. Open the tools 
الرشاشات والتصميم الهيدروليكيWet Alarm Check Valves: Components and How They WorkHow an alarm valve works in wet sprinkler systems, the role of the retard chamber, pressure switch and water motor gong, and…الوصلات المحززةFlexible Rubber Joints: When to Use Them and How to InstallHow flexible rubber joints isolate vibration and absorb movement at pumps and equipment, common installation mistakes, and the MECH specifications.
الوصلات المحززةMalleable Iron Threaded Fittings: American or British? NPT vs BSPTAmerican versus British malleable iron threaded fittings, why NPT and BSPT threads do not mix, and thread-sealing points for fire systems.المحابس والصماماتUL and FM Approvals: What They Mean and How to Verify ThemUL Listed versus FM Approved, why approvals are per model and size, and how to verify them in the official databases before…الرشاشات والتصميم الهيدروليكيPressure and Supervisory Switches in Fire Systems: Types and UsesHow pressure switches and valve supervisory switches differ, where each is used, and the MECH YLKG and MXHQ specifications.الرشاشات والتصميم الهيدروليكيWater Flow Indicators: How They Work and How to Install ThemWhat a water flow indicator does in sprinkler alarms, how it works, how to install it correctly, and the MECH ZSJZYS specification.
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