Stainless Steel Screw Foot Valve
Product Description
Structure & Working Principle
1. Core Components
The foot valve proudly features a precision-engineered assembly comprised of a robust valve body, a resilient valve disc, a protective valve cover, a sturdy bushing, a high-quality sealing ring, and other integral components. As fluid pressure gracefully exerts force upon the disc, the valve elegantly opens to allow a seamless flow of liquid. When the pump ceases operation, the pressure from the outlet side swiftly compels the disc to close, effectively preventing any backflow.
2. Design Features
- Anti-Clogging Design: Our innovative design includes multiple inlet ports and fortified ribs on the valve cover, meticulously engineered to minimize blockage risks, even in media containing minor impurities.
- Connection Types: We offer versatility with support for both threaded (screwed) and flanged connections, catering to diverse pipeline requirements with exceptional adaptability.
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Applications
- Pump Systems: Expertly installed at the bottom of suction pipes, these valves maintain primed pipelines and effectively prevent dry running, safeguarding your operations.
- Industrial Pipelines: Ideal for water treatment and oil transportation, recommended vertical lift structures ensure optimal performance in horizontal pipelines, especially for DN50+.
- Special Media: Our corrosion-resistant models are adept at handling weak acids and alkalis, although it's advisable to avoid use with high-viscosity or solid-laden fluids.
Installation & Maintenance
1. Installation Guidelines
- For optimal functionality, always ensure vertical installation, which guarantees proper disc operation.
- Before initial startup, prime the suction pipe to establish a vacuum for superior performance.
- During long-term storage, meticulously clean sealing surfaces and securely seal pipeline ends for preservation.
2. Maintenance Tips
- Regular lubrication of the valve stem is essential; avoid applying force with levers to ensure smooth operation.
- Promptly replacing worn sealing rings is crucial; certain models are designed to allow quick and effortless maintenance access.
Product Parameters
Nominal Pressure (PN) | PN0.25MPa (standard), up to 2.5MPa for specific models. |
Nominal Diameter (DN) | DN15-DN100 |
Applicable Media | Water, oil, non-corrosive liquids; some models support sewage, steam, etc. |
Temperature Range | ≤50°C (standard); special models: -40~350°C |
Body Material | Stainless steel (304, 316, 316L), carbon steel |
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FAQ
Q:How do you pack?
A:Plastic bags-------(Paper boxes)-------Cartons-------Plywood cases
Q:How long is the quality guarantee period?
A:We supply 6 to 12 months for quality guarantee according to customers' using frequency.
Q:How can you guarantee the quality of products?
A:First of all, we have the numerical control device to manufacture products accurately. Then our quality inspectors will test products one by one to make sure every flange or fitting we sell is qualified.
Q:How can I check your factory situation while it's difficult for me to come to China.
A:We have photos and videos on our website, It shows every step of the manufacturing.
Alternatively, I can take videos or photos of our factory and send them to you.
Q:What is your lead time?
A:It's around 15 days normally. If we have the products in stock, it will be about 5days.
Q:Can you print our Logo on the valves/Fittings?
A:Yes, we can totally produce products according to your this kind special request, even manufacture it based on your drawing
Q:Are samples available to be sent with free?
A:It depends on what product you need. There are hundreds of products we sell. You can contact us for particular answer.
Q:Do you have a minimum quantity of the products?
A:No, we will build business with you with even 1pc. We believe this cooperation will be a long-term relationship for our high quality, competitive price and good after-sale service.
Q:Where are the main markets for your products?
A:We hope to make business with companies from all over the world. And for now, our flanges and fittings have been exported to especially in North America, South America, South Asia, Europe and Middle East.
Q:Are you a factory or trading company?
A:We are a factory specialized in manufacturing flange and fitting over 10 years.