October 2026

Learn what global certifications mean for malleable iron threaded fittings and how buyers can verify standards, markets, models, and approval scope.

Learn what UL, FM, C-UL, CE, VdS, LPCB, and UKCA mean for ductile iron grooved fittings and how to verify approval scope before procurement.

A riser clamp and a U-bolt may both appear on a fire protection piping system bill of materials, but they are not interchangeable support devices. A riser clamp is made to support a vertical pipe at an appropriate structural bearing location. A conventional U-bolt wraps around a pipe and is typically...

A suspended ceiling can leave very little room between the sprinkler branch line and the final head location. Flexible sprinkler hose assemblies can simplify that last connection, but a hose chosen only by length may create a tight bend, unnecessary hydraulic loss, or an unstable sprinkler position....

A pipe schedule describes wall thickness, not the type of sprinkler system a pipe can serve. Schedule 10 and Schedule 40 steel pipe can share the same nominal diameter and outside diameter, yet differ considerably in weight, inside diameter, connection options and installation requirements. A purchasing...

A fire sprinkler control valve does more than stop water during maintenance. It must remain in the correct operating position, fit the planned piping arrangement, and provide a dependable indication if someone moves it. For a contractor ordering a grooved butterfly valve with a tamper switch, the decisive...