-
Os Y Gate ValveThe Nonfir OS&Y Gate Valve, with its reliable exposed-stem design and FM/UL certifications, ensures safe and verifiable flow control for critical applications.In fire protection and industrial pipingread more
-
Fire Flange OS&Y Gate Valve - Professional Fire Protectio...This fire flange outside screw & yoke (OS&Y) gate valve is a professional control component for fire protection systems. With flange connection and rising stem design, it ensures tight sealing,read more
-
Flanged OS&Y Gate Valve For Fire Protection SystemsThe FM/UL certified flanged OS&Y gate valve is designed for reliable shut-off control in fire protection systems. It features a robust body construction and rising stem (OS&Y) design, providing clearread more
-
Fire Protection Gate ValvesNonfir fire protection gate valves are FM/UL certified, high-strength valves designed for fast, reliable water control in fire safety systems.Nonfir fire protection gate valves are FM/UL certified,read more
-
FM Approved ValveNonfir FM approved valves deliver reliable, FM/UL certified performance for fire protection and industrial systems, ensuring safe and compliant operation in critical applications.Nonfir valves areread more
-
Fire Fighting Gate ValveNonfir fire fighting gate valves are FM/UL certified, high-flow valves designed for reliable, leak-free water control in emergency firefighting and municipal fire systems.Nonfir valves are speciallyread more
-
Cast Iron Gate ValveNonfir cast iron gate valves provide FM/UL certified reliability, delivering durable, corrosion-resistant performance for firefighting and industrial water control systems.Nonfir valves combineread more
-
Gate Valve for Fire Protection SystemNonfir gate valve for fire protection system ensures FM/UL-certified, leak-free control with fast system response and stable pressure performance for integrated fire protection networks.The Nonfirread more
-
Gate Valve StemNonfir grooved gate valve features a precision-engineered stem that ensures smooth operation, corrosion resistance, and FM/UL certified reliability for long-lasting performance.The Nonfir groovedread more
-
Industrial Gate ValveNonfir industrial gate valve delivers FM/UL-certified durability, high-pressure resistance, and reliable operation for demanding industrial water and chemical systems.The Nonfir industrial gate valveread more
-
Water Main Gate ValveNonfir valve combines FM/UL certified quality with robust construction, ensuring reliable high-flow control and long-term operational safety for critical pipeline systems.Nonfir water main gate valveread more
-
Gate Valve SizesNonfir offers a full range of FM/UL certified valves, from DN50 to DN300, designed for reliable flow control and seamless integration across fire protection, industrial, and municipal pipelineread more
Reliable Model L399 OS&Y Gate Valves Bulletin 443 View file Available Sizes 2″ (50 mm), 2-1/2″ (65 mm), 3″ (80 mm), 4″ (100 mm), 6″ (150 mm), 8″ (200 mm), 10″ (250 mm), 12″ (300 mm) Reliable RBV...
Outside screw and yoke (OS&Y) gate valves are recommended when positive shutoff and a quick visual indicator of open/closed position is required. This valve features a pre-grooved stem for...
Features: UL 262 Listed and FM 1120/1130 Approved and certified to ANSI/NSF 61 & 372. Epoxy Coated interior and exterior surfaces. Outside Screw & Yoke (O.S.&Y.) Rubber encapsulated iron wedge....
OS&Y gate valves are installed at the main water service lines that supply water for fire protection. When new water main is being installed for fire protection it is important to use the correct...
FireLock™ Series 771H OS&Y Gate Valve. Available as Groove × Groove or Groove × Flange*. Used when positive shut-off is required in a fire line and a quick visual indicator of open/closed position is...
Apr 09, 2013 · An OS&Y valve (outside screw & yoke) functions by opening and closing via a gate, which lowers both in and out of the valve. When the handle...
