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 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.
In This Guide
- 01 1. Wet-Pipe Systems: The ZSFZ Wet Alarm Valve
- 02 2. Deluge Systems: The ZSFM Deluge Valve
- 03 3. Pre-Action Systems: The ZSFY Dual-Trigger Valve
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.
In This Guide
- 01 1. The Three System Types Compared
- 02 2. Choosing Sprinkler Heads
- 03 3. The Components Your BOM Needs
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.
In This Guide
- 01 1. What Fire Sprinkler Control Valves Do
- 02 2. OS&Y Gate Valves: Monitored Main Isolation
- 03 3. Signal Butterfly Valves for Section Control
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.
In This Guide
- 01 1. Start With the System Type, Then the Head
- 02 2. K-Factor and Flow: Matching Water Delivery
- 03 3. Temperature Ratings and Bulb Colour Coding
Commercial Building Sprinkler System BOM: Complete Procurement Guide (2026)
Complete BOM for a commercial building sprinkler system: alarm valve groups, OS&Y & signal valves, siamese, sprinkler heads, flow indicators — one package, one PO, verified.
In This Guide
- 01 1. Why the Sprinkler Package Is Procured as One Scope
- 02 2. The Alarm Valve Group: Heart of the Wet System
- 03 3. Monitored Isolation: OS&Y and Signal Butterfly Valves
Related Products
Sprinklers & Alarm Valves Wet Alarm Check Valve ZSFZ 150
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Sprinklers & Alarm Valves Glass Bulb Fire Sprinkler (ZST Series)
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Sprinklers & Alarm Valves Deluge Alarm Valve Group (ZSFM Series)
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Sprinklers & Alarm Valves Pre-action Deluge Alarm System (ZSFY Series)
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Sprinklers & Alarm Valves Vane Type Water Flow Indicator (ZSJZ Series)
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