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Stainless Steel Flange End Foot Check Valve
Stainless Steel Flange End Foot Check Valve – Model H42
This stainless steel foot check valve, model H42, is designed for industrial applications, particularly in water and liquid systems. It features a flanged connection, making it ideal for piping systems where secure and reliable sealing is required. The valve operates under low pressure conditions and is certified to the ISO quality management system, ensuring high standards of performance and durability.
Key specifications include:
- **Model No.:** H42
- **Connection Form:** Flange
- **Pressure Rating:** Low Pressure
- **Application:** Industrial usage, water systems
- **Trademark:** KQ
- **HS Code:** 8481804090
- **Material:** Stainless Steel
- **Structure:** Lift Type
- **Function:** Check Valve
- **Pressure Ratings:** PN 1.0, 1.6 MPa or 125lb, 150lb
- **Size Range:** DN32 ~ DN300
- **Packaging:** Wooden crate
- **Origin:** Shanghai, China
The foot valve is commonly installed at the bottom of pump suction pipes to prevent backflow of fluid into the water source, thus saving energy and reducing water loss. Its design includes multiple inlet holes and reinforced ribs on the cover, which help prevent clogging and ensure smooth operation.
**Technical Features:**
- **DN Range:** DN15 ~ DN400
- **PN Range:** 2.5 ~ 25 bar
- **Materials Available:** Cast iron, cast steel, stainless steel
- **Working Medium:** Water, oil, and other liquids
- **Operating Temperature:** Up to 150°C (SS)
**Working Principle:**
The foot valve consists of a cover, disc, bushing, and seal ring. When the pump is running, water flows into the valve body through the cover, causing the disc to open under the influence of flow pressure. Once the pump stops, the pressure in the outlet pipe causes the disc to close instantly, preventing backflow and maintaining system efficiency.
**Dimensions Table:**
| Type | DN (mm) | H (mm) | D (mm) | D1 (mm) | D2 (mm) | Z-d | Medium | Temperature |
|------|---------|--------|--------|---------|---------|-----|----------------|-------------|
| H42 | 32 | 105 | 120 | 90 | 70 | 4-φ14 | Water, oil, liquid | ≤150°C |
| H42 | 40 | 110 | 130 | 100 | 80 | 4-φ14 | Water, oil, liquid | ≤150°C |
| H42 | 50 | 125 | 140 | 110 | 90 | 4-φ14 | Water, oil, liquid | ≤150°C |
| H42 | 65 | 150 | 160 | 130 | 110 | 4-φ14 | Water, oil, liquid | ≤150°C |
| H42 | 80 | 175 | 185 | 150 | 128 | 4-φ18 | Water, oil, liquid | ≤150°C |
| H42 | 100 | 190 | 205 | 170 | 148 | 4-φ18 | Water, oil, liquid | ≤150°C |
| H42 | 125 | 240 | 235 | 200 | 178 | 8-φ18 | Water, oil, liquid | ≤150°C |
| H42 | 150 | 280 | 260 | 225 | 200 | 8-φ18 | Water, oil, liquid | ≤150°C |
| H42 | 200 | 360 | 315 | 280 | 255 | 8-φ18 | Water, oil, liquid | ≤150°C |
This product is widely used in industrial water supply systems, chemical processing, and other applications where reliable flow control is essential. With its robust construction and efficient design, the H42 foot check valve ensures long-lasting performance and minimal maintenance.