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Ductile Iron Foot Valve Flange End

 

A ductile iron foot valve is a kind of energy-saving valve. It is generally installed at the bottom end of the underwater suction pipe of the water pump to restrict the liquid in the water pump pipe from returning to the water source. It is not easy to be blocked and is mainly used in pumping pipelines, water channels, and supports. Single disc, double-disc, and multi-disc. There are flanged type and threaded type foot valve

Ductal Iron  Foot Valve Flange End Dimensions

PN16
DN D D1 D2 H b f Z-d
DN40 150 110 84 148 18 3 4-19
DN50 165 125 99 166 20 3 4-19
DN65 185 145 118 201 20 3 4-19
DN80 200 160 132 221 22 3 8-19
DN100 220 180 156 265 24 3 8-19
DN125 250 210 184 300 26 3 8-19
DN150 285 240 211 360 26 3 8-23
DN200 340 295 266 470 30 3 12-23
DN250 405 355 319 568 32 3 12-28
DN300 460 410 370 653 32 4 12-28
150LBS
DN D D1 D2 H b f Z-d
DN40 127 98.5 73 148 15 2 4-19
DN50 152 120.5 92 166 16 2 4-19
DN65 178 139.5 105 201 18 2 4-19
DN80 191 152.5 127 221 19 2 4-19
DN100 229 190.5 157 265 24 2 8-19
DN125 254 216 186 300 24 2 8-22
DN150 279 241.5 216 360 26 2 8-22
DN200 343 298.5 270 470 29 2 8-22
DN250 406 362 324 568 31 2 12-25
DN300 483 432 381 653 32 2 12-25

 

Foot Valve Flange End VS Threaded End

1. Standard:

Both foot valves flange end and threaded end foot valves standard are ASME, DIN, BS

2. Pressure:

Both foot valves flange end and threaded end foot valves standard are Class125/150, PN10/16

3. Range of Applications (Similarity):

Stardard: ANSI CLASS 125/150, DIN 3202 PN10/16

Length: ANSI CLASS 125/150, DIN 3202 F1

Connection flange type: Flange end

4. Installation (Difference):

The foot valve flange end shall be installed on the bottom flange of the underwater suction pipe of the water pump with bolts, and the threaded end foot valve shall be connected with the thread.

Ductal Iron Foot Valve Flange End FAQs

Q Which Direction Should Foot Valves Be Installed?
A.

Foot valves must be installed in the vertical position.

Q Can Foot Valves Be Used for Gas?
A.

No, foot valves can be used for water service only.

 

 

 

 

 

 

 

 

 

How Can a Ductile Iron Foot Valve Improve Water Pump Efficiency? 

 

Optimizing water pump performance starts with the correct installation of key components, and a ductile iron foot valve is central to achieving this goal. Designed to prevent backflow, this energy-saving valve ensures that water remains in the suction pipe, reducing the need for repeated priming and thereby conserving both electricity and mechanical wear on your pumps. When used in pumping pipelines, the ductile iron foot valve minimizes the risk of pressure fluctuations and cavitation, which are common causes of premature pump failure. Its robust construction from high-strength ductile iron provides durability under continuous operation, making it an ideal choice for commercial and industrial installations. A major advantage of the ductile iron foot valve is its adaptability to different water systems. Whether installed in municipal water channels, irrigation systems, or industrial fluid networks, its single-disc, double-disc, or multi-disc configurations allow precise flow control while maintaining a consistent water column. Engineers prefer flanged-type or threaded-type versions to match existing pipeline specifications without the need for costly modifications. This flexibility ensures that the ductile iron foot valve can integrate seamlessly into both new constructions and retrofitting projects. Maintenance and operational reliability are other crucial factors where the ductile iron foot valve excels. Its internal structure is designed to resist debris and prevent blockage, even in water sources containing particulate matter. This feature not only reduces downtime but also protects the pump’s impeller and seals, extending the overall service life of the pumping system. For facility managers and procurement officers, these benefits translate into lower lifecycle costs and predictable performance, making the ductile iron foot valve a high-return investment. Furthermore, installing a ductile iron foot valve enhances operational safety. By maintaining a full suction line, it prevents air locks and sudden dry-running scenarios that can damage pumps and compromise safety standards. Industries such as water treatment, agriculture, and commercial HVAC systems benefit directly from this added layer of protection. In addition, the corrosion-resistant properties of ductile iron ensure that the valve performs reliably in various environmental conditions, including high-chloride or slightly acidic waters. For procurement professionals, choosing the right ductile iron foot valve is more than a technical decision; it is a strategic one. Sourcing a durable, well-engineered valve guarantees reduced maintenance costs, fewer system interruptions, and improved pump efficiency. At Ningjin Thriveon Valve Co., Ltd., our experienced engineers provide technical guidance to help select the optimal configuration—single-disc, double-disc, or multi-disc—for your application. We supply flanged and threaded options tailored to international standards, ensuring that your pumping systems operate at peak efficiency.

 

Why Is a Ductile Iron Foot Valve Ideal for Irrigation Systems? 

 

Efficient water delivery in agriculture relies heavily on the performance of your pumping infrastructure, and the ductile iron foot valve plays a pivotal role in maintaining continuous flow. When installed at the end of an underwater suction pipe, this valve ensures that the water column remains in the pipe, eliminating the need for frequent priming and reducing energy consumption. For irrigation systems, which often operate under variable water sources and fluctuating pressures, the ductile iron foot valve prevents backflow that could lead to dry-running conditions, protecting pumps and prolonging their lifespan. Its ductile iron construction withstands abrasive particles often present in surface water, making it suitable for open channels and pond-fed systems. Farmers and agricultural engineers appreciate the versatility of the ductile iron foot valve because it comes in single-disc, double-disc, and multi-disc options. The choice of configuration allows fine-tuning of water flow according to field size, crop type, and pump capacity. Flanged or threaded designs simplify integration with existing pipeline layouts, which is especially important in retrofitting older irrigation networks. Additionally, the valve’s resistance to clogging ensures consistent water supply during peak demand periods, safeguarding both crop yield and system efficiency. Installing a ductile iron foot valve in irrigation pipelines also improves operational safety. By maintaining a constant water column, it prevents pressure surges that could damage pump impellers or connectors. This reliability translates to fewer maintenance interventions and reduced downtime, which is critical during irrigation seasons. Moreover, the valve’s corrosion-resistant properties ensure long-term performance, even in water containing fertilizers or slight acidity, common in agricultural applications. Procurement officers sourcing irrigation components can rely on the ductile iron foot valve to meet both quality and durability expectations. With export experience to countries like the United States and South Africa, Ningjin Thriveon Valve Co., Ltd. ensures international standards compliance, offering robust flanged and threaded models that suit a variety of irrigation projects. Engineers provide technical support to help select the correct disc configuration, ensuring optimal pump performance and energy efficiency. Ultimately, the ductile iron foot valve delivers measurable improvements in water delivery and operational reliability for agricultural applications. By choosing this valve, irrigation systems can operate with minimal interruptions, reduced energy costs, and enhanced longevity. For large-scale farms and specialized agricultural operations, the ductile iron foot valve is not just a component—it is an investment in efficiency, sustainability, and crop productivity. Equip your irrigation system with this energy-saving solution to experience immediate performance benefits.

 

Can a Ductile Iron Foot Valve Improve Industrial Cooling Processes? 

 

Industrial cooling systems rely on precise water flow management, and the ductile iron foot valve is an essential component in ensuring efficient operation. By preventing backflow in suction lines, this energy-saving valve maintains the pump’s prime, reducing energy consumption and minimizing the risk of damage due to dry-running or cavitation. Cooling systems in manufacturing plants, power stations, and chemical processing units require uninterrupted water circulation, and the ductile iron foot valve guarantees reliable performance even under high-demand conditions. Engineers value the versatility of the ductile iron foot valve, which comes in single-disc, double-disc, and multi-disc configurations. Flanged and threaded options facilitate integration into existing industrial piping layouts, whether retrofitting older systems or designing new installations. Its robust ductile iron construction withstands the thermal and chemical stresses commonly present in industrial cooling water, ensuring consistent operation over long service intervals. The ductile iron foot valve also improves system safety by preventing air ingress and pressure surges that could compromise pump integrity. Reduced downtime and maintenance needs translate to operational cost savings, critical for industrial facilities where production continuity is non-negotiable. Additionally, the valve’s resistance to debris prevents blockage and protects sensitive pump components, enhancing overall equipment lifespan. Procurement teams benefit from the ductile iron foot valve’s durability and proven export quality. Ningjin Thriveon Valve Co., Ltd. offers technical guidance to ensure the correct disc type and installation method, optimizing flow efficiency for each industrial application. By investing in this valve, companies achieve measurable improvements in energy efficiency, pump longevity, and operational reliability, making it a strategic choice for industrial water management. In conclusion, the ductile iron foot valve is indispensable for industrial cooling systems, providing reliability, safety, and energy savings. Its adaptability, corrosion resistance, and robust construction make it a high-value component for diverse industrial environments. Equip your cooling infrastructure with a ductile iron foot valve to ensure continuous, efficient, and safe operation.

 




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