Mise à jour du site VICAST

Sprinkler pipe coupling leaking: causes and fixes for fire sprinkler systems. If you’ve ever watched a joint “sweat” during a hydrostatic test or found a slow drip after the system is back in service, you already know the frustrating part: the leak often looks small, but the downtime, rework, and

Bolt torque guideline for grooved coupling for fire sprinkler piping is one of those topics crews don’t look up when everything goes well. They search it when a joint won’t seal, when a hydrostatic test drips at the coupling, or when an inspector asks how you confirmed the final tightening

Most casting problems don’t show up suddenly. They build quietly—during design reviews that run too fast, during process tweaks that feel harmless, or during production ramps where yield matters more than discipline. Shrinkage, porosity, inclusions, cracking. Everyone in the industry knows the names. Fewer people agree on why they keep happening.

If you’ve ever put the same drawing in front of two foundries and gotten two wildly different numbers back, you’ve already met the real issue: foundry cost drivers rarely live in the line item everyone expects. In industrial castings—especially pipe fittings and grooved connection components—the upfront quote is only the beginning