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Leyon Piping System

Contact Number

+86 13901803146

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Leyon FM UL Quick Response Standard Coverage K80 VK478 Pendent Flush Sprinkler

The VK478 flush-type beverage sprinkler has a two-piece design of a sprinkler body and a top ring. The sprinkler has the characteristics of a compact, flush structure and a beautiful appearance. It is suitable for fire sprinkler systems in super-high-rise buildings with a height of more than 250 meters in China. It almost replaces concealed sprinklers and meets different design requirements for light and medium hazard levels.

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Description

Model VK478
Material Brass
Orientation Pendent
K-factor, gpm/psi ½ (lpm/bar ½ ) 14.0 (202)
Maximum Working Pressure 175 psi (12 bar)
Temperature Rating °F (°C)1 155°F (68°C)-200°F (93°C)
Thread Size 1/2″ NPT (15 mm BSPT)

Application Areas

From soaring commercial towers and industrial plants to vital municipal projects and residential complexes, our firefighting valves provide unmatched reliability where safety matters most. Designed to perform under pressure, they safeguard lives and assets across diverse environments—ensuring your fire protection system is always ready when it counts.

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Why Choose Our Leyon

Engineered for Critical Environments

We deliver reliable firefighting valves with advanced manufacturing, strict testing, and global standards—backed by fast delivery and expert support.

  • Reliable Quality: High-strength materials and precision processes for durability and leak-free performance.
  • Strict Testing: Hydrostatic, air-tightness, and functional tests to meet global fire safety standards.
  • Wide Range: Gate, butterfly, check, hydrant valves, and more for diverse projects.
  • Fast Delivery: Strong production and supply chain ensure on-time delivery.
  • Expert Support: Skilled teams provide guidance from selection to after-sales.

Why Choose Our firdip

A1: Our products meet ISO, UL, FM, CE and other international certifications to satisfy different market and project requirements.

A2: Yes, we offer customization in size, pressure rating, connection type, and surface treatment to meet specific application needs.

A3: Standard models can usually be shipped within 7–15 days. Bulk or customized orders will require confirmation of the exact lead time.

A4: We implement strict raw material inspection, process control, and final product testing, backed by warranty and after-sales support.

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