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Firefighting System Valves

OS&Y Gate Valve

OS&Y (Outside Screw & Yoke) Gate Valves are specialized valves used in fire suppression systems to ensure reliable water flow control. In these valves, the valve stem (spindle) is visible from the outside of the body, allowing the open/close operation to be easily observed externally. This feature enables operators to quickly verify the valve position (open/closed).
  • Size Range: 2" - 12"
  • Connection: Grooved or Flanged
  • Operating Pressure: 300 psi (20 bar)
  • Approval: FM & UL

NRS Gate Valve

NRS (Non Rising Stem) Gate Valves are a commonly preferred, reliable, and compact type of valve in fire suppression systems. In these valves, the stem moves within the body, so it does not rise outward during operation. This feature allows them to be used as shut-off valves, particularly on underground hydrant lines. An NRS Gate Valve installed underground with a post indicator or extension rod allows for practical opening and closing operations.
  • Size Range: 2" - 24"
  • Connection: Flanged
  • Operating Pressure: 300 psi (for 2"-12"), 250 psi (for 14"-18"), 200 psi (20"-24")
  • Approval: FM & UL

Post Indicator

A Post Indicator is a valve extension control device used in fire suppression systems to visually indicate whether the main water supply line is open or closed. It can be installed on NRS-type gate valves located on underground hydrant lines. In addition to providing a visual display of the valve’s position, it allows easy operation of the underground valve’s open/close function using the post indicator.
  • Size Range: 4" - 16"
  • Connection: 2"x 2" Square Nut
  • Approval: FM & UL

Butterfly Valve

Butterfly Valves Gate Valves are practical and reliable types of valves used in fire suppression systems to control water flow or as shut-off valves at the inlet of sprinkler systems, deluge valves, wet alarm valves, and sprinkler piping. Thanks to the gearbox, the valve can be easily opened and closed. Its compact design allows use even in confined spaces. A supervisory switch enables electrical monitoring of the valve’s open/closed position, enhancing the reliability of fire protection systems.
  • Size Range: 2½" - 12"
  • Connection: Wafer or Flanged
  • Operating Pressure: 300 psi (20 bar)
  • Approval: FM & UL

Double Door Check Valve

Double Door Check Valve are high-performance valve types used in fire protection systems to prevent backflow and ensure the safety of the pipeline. Their double-disc design allows for faster closure and minimizes the risk of reverse flow. These valves provide a reliable solution in fire lines with low pressure loss and a compact structure. They are suitable for wafer-type installation between flanges.
  • Size Range: 4" - 12"
  • Connection: Wafer
  • Operating Pressure: 175 psi - 300 psi
  • Approval: FM & UL

Swing Check Valve

Swing Check Valves are high-performance valves used in fire protection systems to ensure one-way water flow and prevent backflow. Thanks to their swing disc mechanism, they provide fast and secure closure, enhancing the reliability of the system. With their compact and durable design, they offer long-lasting performance in fire lines.
  • Size Range: 2" - 16"
  • Connection: Grooved or Flanged
  • Operating Pressure: 350 psi (24 bar)
  • Approval: FM & UL

Dry Barrel Fire Hydrant

Dry Barrel Fire Hydrants are high-safety firefighting devices specifically designed for underground fire hydrant lines, featuring freeze protection. The water inside the hydrant remains within the body only when the valve is opened, eliminating the risk of freezing and enabling rapid response during emergencies.
  • Hose Outlet Options: 2x2½" - 3x2½" - 4x2½".
  • Pumper Middle Outlet : 4.5" - 5"
  • Monitor Outlet (Flanged): 3" - 4"

Wet Alarm Valve

Wet alarm valves are critical and mandatory components in wet-type automatic fire sprinkler systems that allow water to flow automatically while providing both mechanical and electrical alarm signals. When the sprinkler heads in the piping system are triggered by heat released during a fire, water flows through the valve, activating the alarm system. This enables early fire detection and rapid response. Additionally, both mechanical and electrical alarms provide fire notification. A wet alarm valve assembly consists of the valve body, trim, water motor alarm gong, and pressure switch components.
  • Size Range: 2" - 8"
  • Connection: Grooved or Flanged
  • Operating Pressure: 300 psi (20 bar)
  • Approval: FM & UL

Y-Type Strainer

Y-Type Strainers, are devices used in fire protection and water piping systems to filter out debris, rust, sand, and other particles from the pipeline. They are named after their body shape; the Y-shaped design collects debris without obstructing flow and allows for easy maintenance. This protects valves, pumps, and other equipment while enhancing system efficiency..
  • Size Range: 2½" - 12"
  • Connection: Grooved or Flanged
  • Operating Pressure: 175 psi (12 bar)
  • Approval: UL

Basket-Type Strainer

Basket-Type Strainers are devices used in fire protection systems and water installations to capture debris, rust, sand, and other particles in the pipeline, protecting pumps, valves, and other equipment. With their large filter baskets, they provide effective filtration in high-volume flows and enhance system efficiency.
  • Size Range: 3" - 12"
  • Connection: Flanged
  • Operating Pressure: 250 psi (17 bar)
  • Approval: UL