Yone Knife Gate Valve – Yone

Item Description
Product Name Yone No. 142 Knife Gate Valve ANSI Class 150
Valve Type Knife Gate Valve
Body Material Cast Iron
Seat Material Teflon
Cylinder Aluminum Alloys
Yoke Sleeve Cast Bronze
Bolt & Nut Mild Steel
Size Range 2″ – 24″
Pressure Ratings JIS 5K, JIS 10K, ANSI 150 LB, DIN PN 16
Application For on-off service in slurry, pulp, chemical, and wastewater systems
Design Feature Rising stem, bi-directional shutoff, minimum flow restriction
End Connection Flanged
Category: Brand:

Yone No. 142 Knife Gate Valve ANSI Class 150

High-Performance Isolation Valve for Demanding Industrial Applications

Introduction: The Critical Role of Valves in Industrial Systems

In any fluid handling system—be it water, slurry, gas, or chemical processing—valves play a pivotal role in regulating flow, pressure, and isolation. Without them, the control and safety of complex piping systems would be compromised. From ball valves and gate valves to check valves and control valves, each type serves a unique function. The knife gate valve, in particular, is indispensable in processes involving viscous media, slurry, or bulk solids due to its ability to cut through and isolate tough flow conditions with minimal leakage.

Yone, a trusted valve manufacturer with decades of experience, offers an extensive range of industrial valve solutions. Among them, the Yone No. 142 Knife Gate Valve ANSI Class 150 stands out for its rugged construction, efficient shut-off performance, and versatile pressure compatibility. Designed for demanding environments, this valve ensures dependable operation in industries such as wastewater, pulp and paper, mining, and chemical processing.


Comprehensive Product Description: Yone Knife Gate Valve No. 142

The Yone Knife Gate Valve No. 142 is engineered for applications that require a full bore, straight-through flow with minimal pressure drop. It operates by lifting a flat gate from the flow path, allowing media to pass freely. This valve is ideal for systems that handle fluids with suspended solids, thanks to its ability to provide a reliable seal even in slurry or semi-solid conditions.

Specification Detail
Product Name Yone No. 142 Knife Gate Valve ANSI Class 150
Valve Type Knife Gate Valve
Pressure Rating JIS 5K, JIS 10K, ANSI 150 LB, DIN PN 16
Size Range 2” to 24”
Body Material Cast Iron
Seat Material Teflon (PTFE)
Cylinder Aluminum Alloys
Yoke Sleeve Cast Bronze
Bolt & Nut Mild Steel
Application Areas Wastewater, Mining, Pulp & Paper, Chemical Plants
Key Feature Sharp-edged gate for reliable shut-off in slurry
Actuation Manual or Pneumatic

The cast iron body offers robustness and corrosion resistance for general industrial environments. Its aluminum alloy cylinder ensures smooth pneumatic actuation with excellent durability, while the cast bronze yoke sleeve provides reliable structural support and wear resistance under continuous mechanical motion. The Teflon seat ensures excellent chemical resistance and low friction for smoother operation and sealing.

Key Product Advantages

  • Full Bore Design: Ensures minimal pressure loss, ideal for free-flowing media.

  • Sharp-Edged Gate: Capable of cutting through slurries, fibers, and viscous substances.

  • Corrosion-Resistant Components: Combines durability with long-term cost efficiency.

  • Wide Compatibility: Rated for multiple pressure classes—JIS, ANSI, and DIN—making it suitable for global use.

  • Low Maintenance Requirements: Simple design and reliable materials minimize downtime.

Knife gate valves like the Yone No. 142 are often mistaken for traditional gate valves, but the knife gate variant offers a significantly better performance in tough service environments. Unlike a regular gate valve, the knife gate cuts through sludge, making it superior for isolation tasks in high-solid media.


Applications: Where the Yone Knife Gate Valve Excels

The Yone No. 142 Knife Gate Valve is designed to tackle harsh operating conditions. This makes it a staple in several industries, particularly those that deal with thick, abrasive, or corrosive media. Some common application areas include:

1. Wastewater Treatment Plants

Sludge handling and sewage conveyance often include high solid content, making knife gate valves essential. The valve’s shearing action cuts through debris and ensures a tight shut-off to prevent leakage or backflow.

2. Mining and Mineral Processing

Mining operations demand valves that can withstand highly abrasive slurries and tailings. The Yone No. 142 performs excellently in these environments thanks to its robust body and non-clogging gate mechanism.

3. Pulp and Paper Industry

Processing wood pulp involves fibrous and semi-solid media that can jam traditional valves. The knife gate valve’s sharp gate and straight-through design allow it to handle pulp with minimal risk of clogging.

4. Chemical and Petrochemical Plants

Chemical processing requires materials that resist corrosion. The Teflon seat and robust cast iron body of this valve allow it to handle a range of chemicals safely.

5. Bulk Powder and Pneumatic Conveying Systems

Dry powder transport requires valves that won’t jam or leak. The Yone knife gate valve’s low-friction sealing and ability to operate in dry media make it ideal for this use.

With its ability to function both manually and via pneumatic actuation (cylinder-operated), the Yone No. 142 is adaptable to automation systems, enhancing control precision in industrial operations.


Distribution and Availability: Trusted Valve Distributor and Stockist

As a leading valve distributor and stockist, we understand the urgency and scale of industrial requirements. Our extensive inventory of Yone valve products, including the Yone No. 142 Knife Gate Valve, ensures that your operations experience minimal lead time and maximum availability.

Why Choose Us?

  • Ready Stock Availability: Popular sizes from 2” to 24” are available on demand.

  • Global Standards Compatibility: ANSI 150, JIS 10K, DIN PN16 ratings for international projects.

  • Fast Shipping: We deliver efficiently to minimize system downtimes and project delays.

  • Technical Support: Our valve specialists provide assistance in valve selection, system integration, and after-sales support.

  • Reliable Sourcing: We stock only genuine Yone products with full certification and traceability.

As a trusted partner in fluid control solutions, we supply not only knife gate valves, but also a comprehensive selection of ball valves, gate valves, check valves, and control valves, fulfilling the diverse demands of industrial process engineering.

Whether you’re an EPC contractor, maintenance engineer, or OEM, you can rely on our supply chain to support both ongoing operations and large-scale project needs.


Contact Us: Get Expert Guidance and Fast Delivery

Looking for a reliable isolation valve that performs in the harshest conditions? The Yone No. 142 Knife Gate Valve ANSI Class 150 offers a dependable, cost-effective solution for fluid handling systems that demand efficiency, durability, and low maintenance.

Whether you’re designing a new facility or retrofitting an existing pipeline, our valve experts are here to assist you. Contact us today to discuss your requirements, request a quote, or consult with our technical team about the best solution for your specific application.

Our team will help you navigate specifications, pressure classes, material compatibility, and installation requirements to ensure optimal performance and longevity.


Explore our full product range, from industrial ball valves to precision control valves. As your dedicated valve distributor and valve stockist, we are committed to providing reliable products, expert advice, and exceptional service that keeps your systems running smoothly.

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