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KS Stainless Steel Swing Foot Valve
Technical Requirement:
- Design & Manufacture: KS Standard (General Valve Design)
- Face-to-Face: KS Standard
- End Flanges: KS B 1511 (10K Flange Standard)
- Inspection & Test: KS B 2304
Description
The KS Stainless Steel Swing Foot Valve is a critical component installed at the bottom of a pump suction line. It functions as a one-way valve (check valve) combined with a strainer to prevent backflow and filter impurities. Constructed from durable SCS13 stainless steel, it meets rigorous standards for safety and performance, making it essential for protecting pumps in corrosive and demanding industrial environments.
Technical Specifications:
- Pressure Class: 10K (Approx. 10 kgf/cm² / PN10)
- Size Range: DN40 – DN200
- Applicable Medium: Water, Steam, Oil, and Acetic Acid Corrosive Liquids
- Operating Temperature: ≤ 150°C
- Test Pressure: Shell 2.1 MPa / Seal 1.6 MPa
Main Parts & Materials:
| Parts Name | Materials |
| Body、Bonnet | SCS13 |
| Disc | SCS13 |
| Pin | STS304 |
| Packing | PTFE |
Key Product Features:
- Dual Functionality: Combines a swing check valve to prevent backflow with a strainer to filter impurities, protecting the pump from damage and dry running.
- Corrosion-Resistant Construction: Made entirely from SCS13 (SS304) stainless steel, providing excellent resistance to rust and chemical attack.
- Automatic Swing Mechanism: The hinged disc opens with forward flow and closes automatically via gravity and reverse pressure to maintain system prime.
- Integrated Strainer Basket: The bottom section features a robust strainer design to capture debris before it enters the piping system.
- Secure Sealing: Utilizes PTFE gaskets and precision-machined seating surfaces to ensure a leak-tight closure.
Applications:
Ideal for Chemical Processing, Water Treatment, Marine Applications, and Industrial Pumping Systems. Specifically suited for suction lines handling acetic acid or corrosive liquids where maintaining pump prime and filtering debris is critical.
A swing foot valve is a valve used to control the flow of fluid in a piping system. It is installed at the bottom of the pump suction line and allows fluid to flow into the pump while preventing it from flowing back. The valve consists of a hinged baffle or disc that swings open when the fluid flows in and closes when the fluid stops. This type of valve is typically used in irrigation systems, water treatment plants and other applications where reliable fluid flow is required. It sits at the foot (bottom end) of the pump suction pipe, hence the name “foot valve“.
Additional information
| Standard | KS / JIS |
|---|
