Ductile Iron Foot Valve
Product Overview
Ductile Iron Foot Valve is a bottom-mounted check valve designed to prevent reverse flow and maintain pump priming in suction pipelines. It is commonly used in water intake and transfer systems. The valve reduces backflow-related downtime and supports stable system operation.
Key Features
Ductile iron body provides high mechanical strength and impact resistance for long-term pipeline service.
SS304 strainer blocks debris and solids from entering the suction line, reducing pump wear and maintenance frequency.
EPDM-covered disc delivers reliable sealing performance and minimizes leakage during shutoff.
Stainless steel spring and stem improve corrosion resistance in water and sewage applications.
PN10/PN16/PN25 pressure ratings allow flexible selection for different operating conditions.
Technical Specifications
| Item | Specification |
| Product Type | Foot Valve |
| Size Range | 2"–12" |
| Available Sizes | 2", 2.5", 3", 4", 5", 6", 8", 10", 12" |
| Pressure Rating | PN10 / PN16 / PN25 |
| Working Medium | Water / Sewage |
| Temperature Range | 0°C–80°C |
| End Connection | Flanged |
| Flange Standard | ANSI / GB / BS |
| Color Options | Blue / Red |
Material Details
| Component | Material |
| Body | Ductile Iron QT450-10 |
| Strainer | Stainless Steel 304 |
| Stem | Stainless Steel 304 |
| Disc | Ductile Iron covered by EPDM |
| Spring | Stainless Steel 304 |
| Bushing | Bronze |
Application Scenarios
Pump suction pipeline systems
Groundwater extraction systems
Water intake stations
Water transfer pipelines
Sewage suction systems
Reservoir and tank suction lines
Irrigation pumping systems
Municipal water supply networks
Industrial cooling water circulation systems
Drainage pumping systems
Standards & Certifications
Design Standard
Available according to project requirements and flange specifications
Hydrostatic Testing
EN12266 or equivalent testing procedures upon request
Quality System
ISO9001
Manufacturing & Quality Control
Raw material inspection for ductile iron, stainless steel, EPDM, and bronze components
Casting process control to verify dimensional consistency and surface quality
Machining inspection for critical dimensions and flange tolerances
Assembly control for disc, stem, spring, and sealing components
Pressure testing for sealing and operational performance
Surface coating inspection for coating thickness and adhesion
Final visual inspection before packaging
Packaging verification to ensure shipment protection and quantity accuracy
Customization Options
| Item | Available Options |
| Logo Marking | Cast logo / Laser marking / Customized marking |
| Packaging | Plywood case / Carton / Pallet / Customized packaging |
| Flange Standard | ANSI / DIN / BS / GB / JIS |
| Material Upgrade | SS316 strainer, SS316 stem, alternative sealing materials |
| Coating | Epoxy coating / Fusion bonded epoxy / Customized coating |
| Color | Blue / Red / Customized color |
| Pressure Class | PN10 / PN16 / PN25 |
| Size Range | Customized according to project requirements |
| Seal Material | EPDM / NBR |
| Labeling | Customized nameplate and barcode |
FAQ
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