Pneumatic Knife-Shaped Gate Valve DN50-800mm 0.6-2.5MPa Cast Iron Carbon Steel Stainless Steel

• Media: Gas Oil Water
• Temperature: High Temperature
• Type: Straight-through
• Model NO.: HGZK
• Material: Cast Iron
• Connection Form: Wafer
• Pressure: Low Pressure
• Actuator: Pneumatic
• Seal Surface: Parallel Gate Valve
• Thread Position of Valve Rod: Inside Gate Valve
• Usage: Regulation, Temperature Control
• Standard: GB, Asin
• Application: Industrial Usage, Water Industrial Usage
• Mode of Action: Double-Acting
• Mode of Control: Switch Type, Adjust Type
• Annex Choice: Solenoid Valve, Locator. Limit Switch
• Seat Material: PTFE, Metal Sealed
• Body Material: Cast Iron Carbon Steel Stainless Steel
• Transport Package: Wooden Box
• Specification: 50*50*50
• Trademark: HGZK
• Origin: China
• Package Size: 50.00cm * 50.00cm * 50.00cm
• Package Gross Weight: 20.000kg
• Lead Time: 5 days (1 - 3 Sets) ; To be negotiated ( > 3 Sets)

Product Description

This double-acting pneumatic knife gate valve (DN50-800mm, 0.6-2.5MPa) is built for heavy-duty slurry, abrasive media, and high-pressure systems. Constructed in cast iron, carbon steel, or stainless steel, it ensures corrosion resistance and long service life. The switch/adjust-type design allows precise flow control in mining, wastewater treatment, pulp/paper, and chemical processing. Ideal for bi-directional sealing, quick shutoff, and automated industrial pipelines."

 

Product Name	Pneumatic Knife-shaped Gate Valve
Actuator	Double-acting
Connection	Wafer Type
Port Size	DN50-800mm, contact us
Media	Water, Gas, Oil

1. What is a Pneumatic 3-Way Ball Valve?
It's an automated valve with a T- or L-shaped port that controls flow direction in three pathways, commonly used for diverting or mixing fluids.  

2. Where is it typically used?
Ideal for HVAC systems, chemical processing, and water treatment where flow diversion or blending is required.  

3. What are the key advantages?
Compact design, fast switching, and low maintenance with reliable pneumatic actuation for automation.  

4. What materials are available?
Standard options include stainless steel (SS304/SS316), brass, or carbon steel bodies with PTFE seals.  

5. How does the pneumatic actuator function?
Compressed air rotates the ball to switch flow paths, enabling remote control and seamless system integration.

6. What materials are available for this pneumatic knife gate valve?
This valve is available in cast iron, carbon steel, and stainless steel, offering options for different corrosion resistance and pressure requirements.

7. Is this valve double-acting or single-acting?
It is a double-acting pneumatic valve, meaning it uses air pressure to both open and close, ensuring reliable operation.

8. Can this valve be used for both on/off and flow adjustment?
Yes, it is available in switch (on/off) and adjustable types, making it suitable for isolation and throttling applications.

9. What industries is this valve suitable for?
It is widely used in mining, wastewater treatment, pulp & paper, chemical processing, and power plants, especially for handling slurries and viscous media.

10. Does the valve come with a manual override option?
Yes, some models include a manual override feature for emergency operation in case of air supply failure.