forede® presents the H42X Flange End Foot Valve, a high-reliability component engineered for backflow prevention in diverse piping applications.
It boasts remarkable features: the flange end meets ANSI 150LB, GB Standard, and BS Standard for broad compatibility; the body is constructed from Ductile Iron QT450 for exceptional durability; the filter net is made of SS304 Stainless Steel, ensuring superior corrosion resistance and effective filtration; and the surface finishing is available in Epoxy Red or Blue, delivering both protective and aesthetic benefits.
A full lineup of models caters to various needs, ranging from 2 Inch (50 mm) to 8 Inch (200 mm). All models feature flange end connections, a foot check valve type, and a working pressure of 1.0/1.6 Mpa, with color options of Red or Blue for seamless adaptation to different systems.
Produced by forede® with rigorous quality assurance, the H42X Flange End Foot Valve ensures dependable operation. It is a prime choice for scenarios like water supply networks, agricultural irrigation, and industrial fluid transfer, where preventing backflow and maintaining long-term performance are essential.
| Body Material |
Ductile Iron, QT450 |
| Filert Net Material |
SS304,Stainless Steel |
| End Connections |
Flange |
| Flange Standard |
ANSI 150 LB / GB / BS Standard |
| Valve Type |
Foot Valve |
| Working Pressure |
1.6 Mpa |
| Surface Finishing |
Epoxy Red or Blue |
1. Compatibility with Different Pipe Materials
Q: Can the H42X flange end foot valve be used with both steel and plastic pipes?
A: Yes. The flange end (ANSI150LB/GB/BS Standard) enables connection to various pipe materials. For steel pipes, ensure the flange dimensions match. When connecting to plastic pipes (like PVC), use compatible flange adapters and check that the pipe can withstand the valve's working pressure (1.0/1.6 Mpa).
2. Filter Net Maintenance Frequency
Q: How often should the SS304 stainless steel filter net be cleaned, and what's the best cleaning method?
A: Clean the filter net every 3-6 months, or more frequently if the water source has high debris content. Remove the filter net, rinse it with clean water to remove sediment, and use a soft brush for stubborn particles. Avoid using abrasive cleaners that could damage the SS304 surface.
3. Impact of Working Pressure on Valve Lifespan
Q: If the system operates at 1.6 Mpa (the maximum working pressure) continuously, will it shorten the valve's lifespan compared to using 1.0 Mpa?
A: Operating at the maximum working pressure (1.6 Mpa) long - term can increase wear on internal components like the check mechanism. While the valve is designed for 1.6 Mpa, using 1.0 Mpa reduces stress and can extend the lifespan. Regular maintenance (e.g., checking for leaks, inspecting the valve body) is crucial for longevity at higher pressures.
4. Epoxy Coating Durability
Q: How durable is the epoxy red/blue surface finishing, and will it chip or corrode in harsh environments (e.g., underground installations)?
A: The epoxy coating provides good corrosion resistance and durability for most environments. In underground installations with high moisture or corrosive soils, the coating can last 5-10 years. However, physical impacts (like heavy equipment contact) can chip the coating. For extreme environments, consider additional protective measures like wrapping the valve in corrosion - resistant tape.
5. Sizing for Optimal Flow
Q: How to choose the right valve size (e.g., 2 inch vs. 8 inch) for a water supply system to ensure optimal flow without pressure loss?
A: Select the valve size that matches the pipe diameter to minimize pressure loss. For example, use a 4 - inch valve with a 4 - inch pipe. If the pipe diameter changes, use reducers or expanders before/after the valve, but ensure the valve size is compatible with the main flow requirements. Consult hydraulic calculations or an engineer to match flow rates with valve sizing.
6. Freezing Prevention in Cold Climates
Q: In cold climates where water might freeze, how to prevent damage to the H42X foot valve?
A: Drain the system completely when not in use to prevent water from freezing inside the valve, which can crack the ductile iron body. Alternatively, use heat tracing or insulation around the valve and connected pipes to keep the temperature above freezing.
7. Replacement of Ductile Iron Components
Q: If the ductile iron (QT450) body gets damaged, can individual components be replaced, or does the entire valve need to be replaced?
A: In most cases, the entire valve needs to be replaced if the ductile iron body is damaged, as it's a single cast component. However, some internal parts (like the check disc) can be replaced separately if they wear out. Check with the manufacturer for replacement part availability.
8. Flange Standard Interchangeability
Q: If a system uses ANSI150LB flanges but the valve is ordered with GB Standard flanges, can they be made compatible?
A: Use flange adapters or gaskets that bridge the ANSI150LB and GB Standard dimensions. Ensure the adapter has the correct pressure rating (matching the valve's 1.0/1.6 Mpa) and material (e.g., ductile iron or stainless steel) to maintain system integrity.
9. Application in Sewage Systems
Q: Can the H42X foot valve be used in sewage systems with solid particles, or is it only for clean water?
A: The SS304 filter net can handle some solid particles, but the valve is primarily designed for clean water applications. In sewage systems with high solid content, the filter net can clog quickly, and the ductile iron body may corrode faster due to sewage chemicals. For sewage, consider a foot valve specifically designed for wastewater with a larger mesh filter or corrosion - resistant materials.
10. Installation Orientation
Q: Does the H42X foot valve have a specific installation orientation (e.g., vertical only), or can it be installed horizontally?
A: Foot valves are typically designed for vertical installation, with the filter net facing downward to draw water from the source. Installing horizontally can affect the check valve's operation and reduce flow efficiency. Always follow the manufacturer's installation guidelines for orientation.
Dear Customer,
Before ordering, please contact with our sales team to discuss order information.
If you have any other requirements or wanna know more info about our products, welcome to contact as well. Our Sales team and Technical Department are willing to support you.
Audited Supplier 
){kind=link}