High Performance Wafer Butterfly Valve
Product Introduction1
High Performance Wafer Butterfly Valve is designed for exceptional reliability and streamlined maintenance procedures. Its wafer-style body enables quick installation and removal between flanges, simplifying inspection and part replacement with minimal disruption to the pipeline. The valve incorporates a lockable hand lever, providing clear visual indication of the disc position while ensuring operational security. Engineered with a precision-machined disc and advanced seat materials, it delivers superior, bidirectional shutoff in demanding high-pressure and high-temperature services. These attributes make it an indispensable component for critical applications, including fire protection systems, chemical processing, power generation, and other industrial sectors where safety and durability are paramount.
Product Parameter
|
Product Name |
Wafer Handle Butterfly Valve |
|
End Connection |
Wafer |
|
Pressure Max |
363 PSI /25 Bar |
|
Standard |
ANSI / GB/BS |
|
Size Range |
2'' to 12'' (DN50 to 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) |
Wafer Handle Butterfly Valve Applications
- Industrial Processing: Handles various media including water, air, and mild chemicals in factory pipelines
- Fire Protection: Serves as isolation valve in sprinkler systems and fire water supply networks
- Water Treatment: Regulates flow in filtration systems, pumping stations, and distribution networks
- Chemical Industry: Suitable for processing lines handling non-aggressive chemicals and solvents
- Power Generation: Applications in cooling water systems and auxiliary fluid handling
- Irrigation Systems: Manages water distribution in agricultural and landscape watering
- OEM Equipment: Built into machinery and skids requiring compact, reliable flow control
Installation & Operation Guide
- Preparation: Ensure pipe flanges are clean, aligned, and properly spaced before installation
- Positioning: Insert valve between flanges, making sure the disc isn't obstructing flow when open
- Bolting Procedure: Use all specified bolts and tighten gradually in cross pattern for even pressure
- Operation Check: Verify handle moves smoothly through full 90-degree range before system pressure
- Pressure Testing: Conduct leak test at system operating pressure, checking all seal points
- Regular Inspection: Schedule periodic checks for wear, corrosion, and seal integrity
- Maintenance Tip: Cycle valve periodically if rarely used to prevent sticking
- Safety Note: Never exceed pressure/temperature ratings shown on valve nameplate
- Warning: Don't use handle as leverage point or install in spaces too tight for operation
- Important: Replace if visible damage, leakage, or difficult operation is observed
FAQ
Q: How do I choose the right size valve for my pipes?
A: Measure your pipe's outer diameter and check its schedule. Our valves match standard pipe sizes from 2 to 12 inches. Ensure the valve's pressure rating exceeds your system's maximum working pressure. Consider future maintenance access when selecting the size.
Q: What's the simplest way to maintain this valve?
A: Perform quarterly visual checks for surface corrosion. Cycle the valve monthly if rarely used. Keep the stem area clean from debris. For seasonal systems, drain completely before winter. These simple steps significantly extend service life with minimal effort.
Q: What should I check if the valve starts leaking?
A: First identify leakage location. If around the flanges, retighten bolts evenly. If through the valve, check for seat damage or disc erosion. For stem leaks, inspect stem seals. Most issues can be resolved without full valve replacement during routine maintenance.
Q: Why is this valve more budget-friendly than other types?
A: Its simplified wafer design uses less metal and requires no additional mounting hardware. The manufacturing process is more efficient, and installation costs are lower due to faster fitting between flanges. This creates excellent value without sacrificing core performance.
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