Topic

Sprinkler Systems

Wet alarm valves, deluge valves, pre-action systems, sprinkler heads and flow indicators for automatic sprinkler protection in commercial and industrial buildings.

Guides & Articles

Fire Protection 2026 · 7 min read

Fire Sprinkler System Valves: A Complete Guide (Wet, Deluge & Pre-action)

How ZSFZ wet alarm, ZSFM deluge, ZSFY pre-action valves and ZSJZ flow indicators work — and when to specify each for your sprinkler system.

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Fire Protection 2026 · 7 min read

Fire Sprinkler Systems: Wet, Dry or Pre-action? (2026 Guide)

A practical comparison of wet, dry and pre-action systems, how to select sprinkler heads (K-factor, temperature, response) and the components your BOM needs.

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Fire Protection 2026-09 · 8 min read

Fire Sprinkler Control Valve Types: OS&Y, Butterfly & Check Valves

OS&Y gate, signal butterfly and check valve duties in sprinkler systems, plus a control valve comparison table and a UL/FM specification checklist for B2B buyers.

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Fire Protection 2026-09 · 8 min read

Fire Sprinkler Head Selection Guide: K-Factor, Temperature & Response (2026)

How to select fire sprinkler heads: K-factor and flow (K=80/K=115), temperature ratings and bulb colour coding, quick vs standard response, pendent/upright/sidewall/concealed orientation and UL listing in the NFPA 13 context.

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