| Application | General | Place of Origin | Shenzhen, China |
|---|---|---|---|
| Power | Manual | Customized support | OEM, ODM |
| Warranty | 1 year | Model Number | Z73W-10P |
| Temperature of Media | Low Temperature, Medium Temperature | Brand Name | THT |
| Media | Base | Standard or Nonstandard | Standard |
| DN | 50-1800MM | PN | ≤ 1.0Mpa |
| Suitable medium | sewage, water, slurry, | Product name | ductile iron slurry knife edge gate valve |
| Connection | flange | Actuated type | customized |
| Application | industrial | Feature | durable use |
| Certificate | ISO9001:2008 CE |
1. Introduction
The Ductile Iron Knife Gate Valve is designed for robust performance in industrial applications. Constructed from ductile iron, this valve provides enhanced strength and durability, making it suitable for handling abrasive and viscous media. The valve features a knife gate design and is manually operated for straightforward control.
2. Features
- Material: Ductile Iron body for high strength and impact resistance.
- Design: Knife gate design to handle slurry, viscous, and abrasive fluids.
- Seal: Resilient or metal-to-metal seal options for tight closure.
- Actuation: Manual operation with a handwheel or lever.
- Connection: Flanged, wafer, or lugged ends for versatile installation.
- Pressure Rating: Suitable for medium to high-pressure applications.
- Standards: Manufactured according to industry standards (e.g., ISO, API).
3. Applications
- Mining industry.
- Wastewater treatment plants.
- Pulp and paper industry.
- Chemical processing.
- Power generation.
4. Technical Specifications
| Parameter | Specification |
|---|---|
| Valve Size | Various sizes available |
| Body Material | Ductile Iron |
| Gate Material | Stainless Steel (SS304/SS316) |
| Seal Material | Resilient (EPDM, NBR, etc.) or Metal-to-Metal |
| Pressure Rating | Varies (typically PN10, PN16, 150LB) |
| Temperature Range | -10°C to 200°C (14°F to 392°F) |
| Connection Type | Flanged, Wafer, Lugged |
| Face-to-Face Dimension | According to ISO 5752 or API 609 |
| Media | Slurry, abrasive and viscous fluids |
| Operating Pressure | Depending on model and size |
| Actuation | Manual (Handwheel/Lever) |
| Leakage Rate | Zero leakage (resilient seal) |
| Testing Standard | API 598 |
5. Installation Instructions
- Preparation: Ensure the pipeline is clean and free of debris.
- Alignment: Align the valve with the pipeline flanges.
- Bolting: Secure the valve using appropriate bolts and nuts, ensuring even tightening.
- Handwheel/Lever Operation: Ensure the handwheel or lever is properly attached and operates smoothly.
- Testing: Test the valve for proper operation and check for leaks.
6. Maintenance
- Regular Inspection: Periodically inspect the valve for signs of wear or damage.
- Seal Replacement: Replace the seals if leakage is detected.
- Stem Maintenance: Ensure the stem operates smoothly and is free from debris.
- Gate Inspection: Inspect the gate for wear and replace if necessary.
7. Safety Precautions
- Ensure the pipeline is depressurized before performing any maintenance.
- Use appropriate personal protective equipment (PPE) when handling the valve.
- Follow all relevant safety standards and guidelines.
8. Troubleshooting
| Issue | Possible Cause | Solution |
|---|---|---|
| Valve does not open/close | Obstruction in the gate area | Inspect and clean the gate area |
| Leakage through the seal | Worn or damaged seal | Replace the seal |
| Difficulty in manual operation | Debris or damage in the stem or gate | Clean and inspect the stem and gate |
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