Grooved Butterfly Valve
Grooved Butterfly Valve

Grooved Butterfly Valve

Grooved Butterfly Valve is the top pick for plumbers and contractors who need to save time and money. Made from super strong ductile iron, this valve is built to last. Its grooved ends make installation a breeze—just fit the coupling and tighten the bolts. No welding or threading needed! This means you can finish jobs faster, cut down on labor costs, and move on to the next project. Perfect for HVAC, fire sprinkler systems, and commercial plumbing.

Send Inquiry

Product Introduction

Product Introduction1

Grooved Butterfly Valve streamlines installation by utilizing a clamp-based connection system that eliminates welding and threading. Its robust construction typically combines a ductile iron body, a 304 stainless steel stem, and a resilient EPDM seat for a reliable, leak-tight seal. Operation is straightforward: a 90-degree turn of the handle rotates the disc to precisely regulate or shut off flow. Designed for integration with grooved piping networks, it enables rapid assembly with minimal tools. This valve is a preferred solution for enhancing efficiency in fire protection lines, commercial plumbing, and industrial water systems, offering significant savings in time and labor costs for installers.

Product Parameter

Product Name	Grooved Handle Butterfly Valve
End Connection	Grooved
Pressure Max	363 PSI /25 Bar
Standard	ANSI / GB/BS
Size Range	2'' to 12'' (DN50-DN300)
Color	Red/Blue
Surface Finishing	Epoxy Paint Coating
Application Medium	Water
Application fields	Fire protection system, Water supply project

Product Material

Body	Ductile Iron QT450-10
Handwheel	Ductile Iron QT450-10
Disc	Ductile Iron ,covered by EPDM / 304 Stainless Steel
Stem	2CR13 Stainless Steel/304 Stainless Steel
Spring	304 Stainless Steel
Seal	NBR(Standard)

Product Applications

Rapid Deployment Projects: Essential for time-sensitive installations like temporary water lines, event infrastructure, and emergency system repairs, where speed is critical.
Vibration-Prone Environments: Its rigid grooved connection provides stability in systems attached to pumps, generators, and heavy machinery, minimizing leak risks.
Space-Constrained Utility Tunnels: The compact design and tool-only installation are perfect for navigating and servicing dense pipe racks in plants and commercial buildings.
Frequent System Modifications: Ideal for pilot plants, laboratory setups, or manufacturing lines that require periodic reconfiguration of piping layouts.
Corrosive & Wash-Down Areas: The combination of a corrosion-resistant epoxy coating and stainless steel stem ensures longevity in food processing plants and chemical facilities.

Key Product Features

Durable Body

Made from high-strength ductile iron for superior impact and pressure resistance.

Corrosion-Resistant

Features a 304 stainless steel stem and a full epoxy coating inside and out.

Bubble-Tight Seal

Utilizes an NBR rubber seat to ensure zero leakage in water and air applications.

Easy Installation

Grooved ends allow for a tool-fast connection without welding or threading.

Clear Indication

A simple handle provides immediate visual status of open or closed positions.

Operation & Important Notes

Pre-Operation: Verify the disc can rotate freely by moving the handle through its full 90-degree arc before introducing system pressure.
Correct Installation: Ensure the pipe ends are properly grooved and the coupling gasket is undamaged and correctly positioned for a leak-proof seal.
Avoid Common Error: Never use the valve as a support or step in the pipeline, as this can misalign the disc and cause premature seat failure.
Troubleshooting Tip: If operation becomes stiff, do not force it. Instead, depressure the system and inspect for debris in the valve seat or potential stem damage.
Winterization: In cold climates, ensure lines are fully drained or heated if the valve is installed in a vulnerable location to prevent freeze damage.

FAQ

Q: What is the main difference between a Handle-Operated and a Gear-Operated Grooved Butterfly Valve?

A: The key difference lies in the operation method. A handle-operated valve is for manual, quick on/off service in systems where the valve is easily accessible and doesn't require frequent operation against high pressure. A gear-operated (or turbine) valve uses a gearbox to reduce the effort needed to open or close the valve. It's used for larger sizes (typically 8" and above), higher-pressure applications, or where a more gradual flow control is needed. The handle is for speed and simplicity; the gear is for mechanical advantage and precise control.

Q: How does a Grooved End Handle Butterfly Valve work?

A: Its working principle is very straightforward. It uses a simple quarter-turn (90-degree rotation) mechanism. Turning the handle rotates a disc (the "butterfly") inside the valve body. When the handle is parallel to the pipe, the disc turns to be parallel with the flow, allowing full passage. When the handle is turned perpendicular to the pipe, the disc rotates to block the flow completely. A resilient rubber seat around the disc ensures a bubble-tight seal in the closed position.

Q: What role does it play in fire protection systems?

A: In fire sprinkler systems, this valve acts as an alarm valve isolation valve or a main water control valve. Its primary role is to provide a reliable and easy-to-identify shut-off point. During maintenance or in case of a accidental sprinkler head discharge, firefighters or maintenance personnel can quickly close the valve with a simple 90-degree turn to stop the water flow, enabling safe system repair. Its grooved ends allow for fast installation and modifications, which is crucial in life-safety systems.

Hot Tags: grooved butterfly valve, China grooved butterfly valve manufacturers, suppliers, factory

No Information

Butterfly Valve Wafer Type Gear Operated