| Application | General | Place of Origin | Shenzhen, China |
|---|---|---|---|
| Power | Pneumatic | Customized support | OEM, ODM |
| Warranty | 1 year | Model Number | DN150 |
| Temperature of Media | Medium Temperature | Brand Name | guanyu |
| Media | Water | Standard or Nonstandard | Standard |
| Body material | Grey cast iron ,ductile iron ,a216 wcb | gate | ss304 for gate valve |
| bolt | ss304 | Seal Material | NBR, EPDM, PTFE |
| medium | water, gas, oil | color | RAL5005, RAL5017,RAL:9005 |
| temperature | -20-120 degree | flange standard | DIN |
| Type | Factory Direct |
1. Introduction
The PN10 Stainless Steel Flange Connection Pneumatic Knife Gate Valve is designed for efficient control of flow in industrial applications. This valve is ideal for handling fluids in environments where corrosion resistance is critical, such as chemical processing, wastewater treatment, and food and beverage industries. The pneumatic actuator provides reliable and automated operation.
2. Features
- Material: Stainless steel body for excellent corrosion resistance.
- Design: Knife gate design to cut through thick media, ensuring smooth flow and minimal clogging.
- Seal: Resilient seal providing tight closure and preventing leakage.
- Actuation: Pneumatic actuator for automated and efficient operation.
- Connection: Flanged ends for easy installation and secure connection.
- Pressure Rating: PN10 for medium-pressure applications.
3. Applications
- Chemical processing industry.
- Wastewater treatment plants.
- Food and beverage industry.
- Pharmaceutical industry.
- Pulp and paper industry.
4. Technical Specifications
| Parameter | Specification |
|---|---|
| Valve Size | Various sizes available |
| Body Material | Stainless Steel (SS304/SS316) |
| Gate Material | Stainless Steel (SS304/SS316) |
| Seal Material | Resilient (EPDM, NBR, etc.) |
| Pressure Rating | PN10 |
| Temperature Range | -10°C to 120°C (14°F to 248°F) |
| Connection Type | Flanged |
| Face-to-Face Dimension | According to ISO 5752 |
| Media | Corrosive fluids, slurry, wastewater |
| Operating Pressure | 1.0 MPa |
| Actuation | Pneumatic |
| Air Supply Pressure | 0.4 - 0.7 MPa |
| 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.
- Pneumatic Connection: Connect the pneumatic actuator to the air supply according to the manufacturer's instructions.
- Testing: Test the valve for proper operation and check for leaks.
6. Maintenance
- Regular Inspection: Periodically inspect the valve and actuator 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.
- Actuator Maintenance: Follow the actuator manufacturer's maintenance guidelines.
7. Safety Precautions
- Ensure the air supply is disconnected 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 |
| Actuator malfunction | Air supply issue or actuator failure | Check air supply and inspect the actuator |
