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Help CenterCast Iron Foot Valve With Threaded Ends, Flap Type Design for Efficient Water Intake
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Chengxin Valve's Cast Iron Foot Valve with threaded ends revolutionizes water intake efficiency in industrial and agricultural settings. Engineered with a robust flap-type design, this valve ensures uninterrupted fluid transfer while preventing backflow in submerged pump systems. Manufactured under ISO-certified processes since 1993, it delivers exceptional durability in harsh environments – from irrigation networks to mining operations.
The valve's heavy-duty construction withstands abrasive sediments and corrosive elements, significantly reducing maintenance costs. Its precision-engineered threads guarantee leak-proof connections, making it ideal for retrofit projects and new installations across global markets including South America and Africa.
Key Technical Specifications:
| Body Material | High-grade cast iron (ASTM A48) |
| Seal Material | Nitrile Rubber (standard) / EPDM optional |
| Pressure Rating | 150 PSI at 100°F (higher ratings available) |
| Temperature Range | -20°F to 210°F (-29°C to 99°C) |
Operational Advantages:
✓ Anti-clogging flap mechanism maintains optimal flow even with debris-laden fluids
✓ Strainer-integrated design (optional) prevents large particle entry
✓ 360° seating surface ensures zero-leak closure during pump shutdown
✓ Hot-dip galvanized finish available for saltwater applications
"Our threaded-end foot valves reduce pump priming time by up to 40% compared to conventional designs, as verified in agricultural field tests across semi-arid regions." – Chengxin Engineering Team
Installation & Maintenance Guide:
Install vertically with strainer facing downward (minimum 12" above tank bottom)
Apply thread sealant compatible with system media
Inspect seals annually; replace every 3-5 years depending on abrasion levels
With 20,000+ units shipped annually through ports like Shanghai and Tianjin, Chengxin maintains ready stock for urgent shipments. Custom configurations including non-standard threading (NPT, BSP) and specialized coatings can be delivered within 4 weeks.
Frequently Asked Questions:
Q1: What distinguishes flap-type foot valves from ball-type designs?
A: Flap valves offer superior debris tolerance due to their swinging disc mechanism, whereas ball valves require cleaner media to prevent jamming.
Q2: Can this valve handle saltwater applications?
A: Yes, when ordered with hot-dip galvanization and EPDM seals. Standard configuration suits freshwater only.
Q3: What is the minimum submergence depth required?
A: We recommend at least 3x the pipe diameter below water level to prevent vortex formation.
Q4: Are strainers included by default?
A: Strainers are optional. Specify during ordering based on particulate size in your system.
Q5: What is the lead time for custom sizes?
A: 3-4 weeks for sizes exceeding standard 1/2"-4" range, subject to order volume.
Ready to optimize your water intake system?
Contact Chengxin's engineering team for project-specific flow calculations and material recommendations. Export documentation including COC and test reports provided with every shipment.
↪ Request bulk pricing for orders above 50 units
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