Pneumatic Knife Gate Valve Manufacturer

Pneumatic knife gate valve with unobstructed flow path and strong cutting ability for severe working conditions.

Easily Cut Thick Media

Hearken pneumatic knife gate valve adopts linear straight-through channel to reduce the risk of blockage, and adopts a precision-engineered valve knife gate design, which can easily cut high-solid fluids and equipped with high-thrust gate valve pneumatic actuator, which can easily cut high-solid, viscous or impurity-containing fluids such as pulp, mud, and slurry, effectively reducing downtime caused by fluid jamming and accumulation.

Focus on producing Pneumatic Knife Gate Valves

Hearken provides two pneumatic actuated knife gate valve options of soft seal and hard seal according to the characteristics of the medium, effectively avoiding medium leakage caused by seal mismatch.

Pneumatic Slurry Knife Gate Valves

Pneumatic Polyurethane-lined Knife Gate Valve

Using polyurethane lining, it has high sealing performance and can effectively reduce the risk of leakage.

Pneumatic Heavy-duty Slurry Nitrile Rubber Knife Gate Valve

Designed for heavy-duty slurry conditions, it can effectively cut high-concentration, high-impurity slurries.

Pneumatic Metal-cutting Knife Gate Valve

Pneumatic Metal-cutting Knife Edge Gate Valve

Using high-strength metal blades, it is suitable for effectively cutting media in high-wear environments.

Pneumatic Medium-duty Slurry Knife Gate Valve

Suitable for most medium-duty and general conditions, a cost-effective choice.

Pneumatic Bi-directional Elastic-seated Knife Gate Valve

With bidirectional sealing capabilities, it is suitable for light and medium slurry media transportation systems.

Air Actuated Elastic seated Knife Gate Valve

The elastic seat design maintains good sealing performance and reduces the risk of leakage when handling slurries.

Pneumatic Maximum-duty Knife Gate Valve

Designed for extreme working conditions, its high-strength structure and strong operating torque ensure fast and reliable control even under extreme loads.

Uni-directional Bonneted Knife Gate Valve

Used in automation systems that require unidirectional fluid control, the bonnet design can effectively prevent leakage and contamination.

Pneumatic Bonnetless Knife Gate Valve

The bonnetless design has a simple structure and is compact, and can be used in occasions with limited space.

Pneumatic Extended-service Knife Gate Valve

Designed for long-term stable operation, it ensures that the valve has a long service life in high-pressure, high-wear and high-corrosive environments, reduces maintenance requirements, and improves system reliability and economy.

Pneumatic Severe Service Knife Gate Valves

Hearken hard-seal pneumatic butterfly valves are durable and suitable for high-pressure, high-temperature environments, focusing on durability and minimal leakage.

Heavy-duty Pneumatic Metal-cutting Knife Gate Valve

Equipped with a high-strength gate valve knife, this metal cutting technology is suitable for the control of highly abrasive media.

Ductile Iron Pneumatic Knife Gate Valve

Hearken ductile iron pneumatic knife gate valve is known for its high strength and good toughness, and can withstand the pressure caused by heavy loads and frequent operations.

Pneumatic High-pressure Slurry Knife Gate Valve

This ductile iron pneumatic knife gate valve is known for its high strength and good toughness, and can withstand the pressure caused by heavy loads and frequent operations.

Pneumatic Stainless Steel Extended-service Knife Gate Valve

It is resistant to corrosion and high temperatures and is commonly used in industries such as chemicals, pharmaceuticals and seawater treatment.

Cast Stainless Steel Pneumatic Knife Gate Valve

Highly resistant to acid and alkali corrosion, it can be used in sanitary conditions, such as food and beverage, pharmaceutical and other industries.

High Temperature Pneumatic Maximum-duty Knife Gate Valve

Specially designed for stable operation in high temperature scenes, widely used in power and thermal systems.

Air actuated Metal-seated Knife Gate Valve

The Hearken pneumatic knife gate valve with high wear resistance designed by metal seal is widely used in steel, boiler systems, etc.

Advantages

Why Choose Hearken Pneumatic Knife Gate Valves?

Adaptable to Different Working Conditions

Hearken pneumatic knife gate valves have strong cutting force, ensuring fast and timely cutting under different working conditions.

Convenient Installation Experience

Hearken pneumatic knife gate valves are easy and quick to install, reducing on-site installation time and cost, while reducing the risk of failure due to improper installation.

Excellent Sealing Performance

Hearken pneumatic knife gate valves have self-compensation capabilities, and will automatically fit to the gate with natural wear, ensuring consistent sealing effects after a long period of operation.

Frequent Opening and Closing

Hearken pneumatic knife gate valves are made of highly wear-resistant and corrosion-resistant materials to ensure long-term stable operation under high-frequency opening and closing conditions.

High Medium Adaptability

Hearken pneumatic knife gate valves adopt streamlined channel design to ensure that different media can pass smoothly and unimpeded, and will not cause shutdown and maintenance due to medium blockage.

Effective Support for Pipeline Strength

Hearken pneumatic knife gate valves have excellent seismic and impact resistance, ensuring the overall stability of the line in heavy industrial scenes with complex working conditions or high-frequency start-stop situations

Fast Response

Hearken pneumatic knife gate valve is equipped with high-precision and high-response speed knife gate valve pneumatic actuator to ensure that your process automation process can be precisely controlled. In addition, Hearken pneumatic knife gate valve supports remote integrated control, which facilitates your centralized management and monitoring of valve opening and closing.

Wear Resistance

Hearken pneumatic knife gate valve adopts strong and wear-resistant metal hard seal and highly chemical-resistant elastic seal seat, and supports surface protective coating treatment according to working conditions to ensure stable and reliable operation under high wear conditions.

Low Maintenance

The Hearken pneumatic knife gate valve has self-cleaning opening and closing function. The gate can scrape off attached impurities during the opening and closing process, reduce the accumulation of media in the channel, avoid failures caused by jamming and wear, thereby effectively reducing labor maintenance costs and extending the service life of the valve.

Efficient Delivery, Worry-Free Matching

Fast Delivery

Hearken’s factory always has a large number of pneumatic knife gate valves of conventional sizes, and a technical team with more than 15 years of industry experience can help you quickly select models and shorten project delivery cycles.

Pneumatic control valve equipped with pneumatic accessories

Accessory Options

Professional Hearken knife gate valve manufacturer provides pneumatic knife gate valve related accessories to help you one-stop shopping, including Air Filter Regulators, Solenoid Valve, Position indicating Switch, Limit Switch, etc.

Your Professional Pneumatic Knife Gate Valve Manufacturer In China

Hearken provides you with unidirectional and bidirectional flow options, flexibly adapting to the design requirements of different pipeline systems.

Pneumatic Knife Gate Valve by Application

Pulp and Papermaking

Hearken’s wear-resistant and powerful blades can effectively cut fibers and impurity solids in pulp.

Power Plant

Hearken pneumatic knife gate valves are widely used in applications such as cooling water, steam and waste liquid.

Shipping Industry

Hearken pneumatic knife gate valves have strong resistance to salt spray corrosion and are durable in harsh marine environments.

Water Treatment

Hearken pneumatic knife gate valves are widely used in sewage treatment, such as sludge, suspended matter or corrosive water.

Steel Industry

Hearken’s pneumatic knife gate valves have high valve body strength and can effectively withstand harsh working conditions.

Metallurgical Industry

Hearken high temperature and high pressure resistant pneumatic knife gate valves are widely used in the metallurgical industry to cut impurity slurry.

Pharmaceutical Industry

Hearken’s pneumatic knife gate valves are widely used in the pharmaceutical industry to handle process fluids containing particles or suspensions.

Chemical Industry

Pneumatic knife gate valves can effectively cut fibers or impurities in chemical processes, preventing chemical substances from stagnating and clogging and eventually causing leakage accidents.

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FAQ

A: A knife valve is designed with a sharp gate, operated by a pneumatic actuator to handle thick or slurry media.

A: Designed for abrasion resistance and corrosion resistance in harsh fluids.

A: Rising stem, non-rising stem, wafer, and flanged types.

A: The sharp-edged gate cuts through solids, ensuring smooth flow.

A: Yes, ideal for slurry, wastewater, pulp, and mining fluids.