Grooved End Butterfly Valve
Product Introduction1
Grooved End Butterfly Valve is specifically designed for quick and tool-free installation in grooved piping systems. It features a handle-operated mechanism for precise 90-degree on/off control. The valve's grooved ends securely couple with standard pipe grooves using a housing clamp, eliminating the need for welding, threading, or flanging. This design significantly reduces installation time and labor costs. It is commonly used in fire protection, water distribution, HVAC, and industrial process lines where a reliable, leak-proof connection and ease of maintenance are critical. The compact and robust construction ensures dependable performance in low to moderate pressure applications.
Product Parameter
|
Product Name |
Grooved End 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 |
Firefighting 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
- Commercial Buildings: Ideal for hot/cold water supply, HVAC heating/cooling lines, and roof makeup water systems.
- Fire Protection: A core component in wet-pipe sprinkler systems and standpipes for reliable emergency shut-off.
- Industrial Plants: Handles process water, cooling circuits, compressed air, and mild chemical lines in factories.
- Water & Wastewater: Used in treatment plants, pumping stations, and distribution networks for potable and non-potable water.
- Infrastructure: Suitable for irrigation, district energy systems, and mining slurry transport.
Operation & Important Notes
Operation
Turn the handle a quarter-turn. It's open when parallel to the pipe, closed when perpendicular.
01
Safety First
Always depressurize the pipeline before operating or performing any maintenance.
02
Installation
Align the valve, place a grooved coupling over the ends, and tighten nuts evenly. Avoid over-tightening.
03
Inspection
Check periodically for external damage and ensure the seat is clean for a proper seal.
04
Maintenance
Cycle the valve occasionally to prevent seizing. The seat can be easily replaced in-line when worn.
05
FAQ
Q: How does it connect and work with other piping components?
A: It is designed as a core component in a modular grooved piping system. It connects directly to grooved pipes using grooved couplings (rigid or flexible) and gaskets. It can be easily integrated into a system with other grooved components like elbows, tees, reducers, and other valves. This creates a rigid, leak-proof pipeline that can accommodate slight misalignments and vibrations. It is often installed between two grooved pipe ends, with a coupling placed over each end and tightened with nuts and bolts.
Q: What are the main advantages of this valve?
A: Fast Installation: Grooved connections are significantly faster than welding or threading.
Cost-Effective: Saves on labor costs and requires no special skills or equipment.
Durability: The ductile iron body and epoxy coating offer excellent corrosion resistance and longevity.
Easy Operation: The handle allows for quick visual identification of valve status (open/closed).
Maintenance-Friendly: The seat can often be replaced without removing the entire valve from the line.
System Flexibility: Easy to disassemble and reassemble for system modifications.
Q: Are there any limitations or disadvantages?
A: Yes, it's important to choose the right valve for the job.
Not for Throttling: It is designed primarily for full open or full close service. Using it to partially restrict flow for extended periods can cause cavitation and rapid wear of the disc and seat.
Potential Handle Snagging: The protruding handle can be a hazard in tight spaces and may require a protective cover.
Pressure/Temperature Limits: Its performance is limited by the pressure rating of the grooved coupling and the temperature limit of the elastomer seat (e.g., EPDM).
Manual Only: Requires an operator to be physically present at the valve location.
Q: How can I judge the quality of a Grooved Handle Butterfly Valve?
A:Check these key points:
Material: Look for a ductile iron body (not grey iron), a stainless steel stem , and a branded elastomer seat (like EPDM).
Coating: A uniform, high-quality epoxy coating inside and out is a sign of good corrosion protection.
Operation: A high-quality valve will feel smooth and require consistent effort to operate, with no binding or gritty feeling.
Weight & Finish: It should feel substantial. Check for clean casting, no sharp edges, and clear branding.
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