hard seal knife gate valve

hard seal knife gate valve

hard seal knife gate valve

Type:PZ573Y/H/W,PZ73Y/H/W
Subtitle:Wear-resistant Sealed Knife Gate Valve
The Hard Seal Knife Gate Valve is designed for demanding applications where efficient shutoff, resistance to abrasion, and durability are critical. Featuring a robust gate structure and reliable hard sealing technology, this valve is ideal for handling aggressive, high-pressure, and abrasive media in industries such as mining, wastewater treatment, chemical processing, and pulp and paper manufacturing. The hard seal mechanism ensures a reliable shutoff, although it is not designed to achieve zero leakage in all cases.
Category:Knife gate valve

Product Overview

The Hard Seal Knife Gate Valve is designed for demanding applications where efficient shutoff, resistance to abrasion, and durability are critical. Featuring a robust gate structure and reliable hard sealing technology, this valve is ideal for handling aggressive, high-pressure, and abrasive media in industries such as mining, wastewater treatment, chemical processing, and pulp and paper manufacturing. The hard seal mechanism ensures a reliable shutoff, although it is not designed to achieve zero leakage in all cases.

Product Features

Hard Seal Technology:
The knife gate valve is equipped with hard seal seats (such as metal-to-metal or ceramic) designed to resist wear, making it ideal for slurries and media containing solids. While it provides a reliable shutoff, it is designed to allow minimal leakage under specific conditions, ensuring effective isolation but not achieving zero leakage.

Knife Gate Design:
The valve uses a knife-edge gate, which allows it to cut through thick, viscous, and solid-laden media effectively, ensuring smooth and efficient flow control.

Heavy-Duty Construction:
Manufactured from high-strength materials such as cast iron, carbon steel, or stainless steel, the valve is designed to withstand harsh environments, including high-pressure conditions and exposure to aggressive media.

Minimized Leakage:
While not zero-leakage, the hard seal knife gate valve provides a controlled and minimal leakage rate, which is acceptable for many non-critical applications where slight leakage is tolerable.

Corrosion and Wear Resistance:
The hard sealing materials, such as metal or ceramic, provide enhanced corrosion resistance and wear resistance, making the valve suitable for abrasive media or corrosive environments.

Low Maintenance Requirements:
The hard seal knife gate valve offers long service life with minimal maintenance, thanks to its durable sealing mechanism, which is designed to handle tough operating conditions.

Advantages

Effective Isolation: The hard seal provides a reliable shutoff and isolation, ensuring minimal leakage in most applications.

Durability: The metal or ceramic sealing materials increase the lifespan of the valve, making it suitable for abrasive and corrosive media.

Versatility: This valve is suitable for a wide range of applications, including wastewater treatment, chemical processing, mining, and pulp and paper industries.

Minimal Maintenance: The robust construction and durable sealing reduce maintenance costs and downtime, ensuring efficient operations over time.

Pressure and Temperature Resistance: Withstanding high pressure and varying temperatures, this valve can handle tough operating conditions with ease.

Product Parameters

Nominal Diameter2-72 inch;( DN50-DN1800 )
Nominal PressurePN6-PN16 ( 150LB )
Temperature Range -20°C to +300°C (depending on the sealing material)
Sealing MaterialMetal-to-metal, Ceramic, Hard Rubber, depending on media
Valve Body Material Cast Iron, Carbon Steel, Stainless Steel
Connection Type Flanged, Wafer, Lug
Actuation Type Manual, Pneumatic, Electric, Hydraulic

Summarize

The Hard Seal Knife Gate Valve provides reliable, high-performance isolation in demanding applications. While not designed to achieve zero leakage, the valve ensures effective isolation with minimal leakage, making it suitable for abrasive, corrosive, and thick media in industries like mining, wastewater treatment, chemical processing, and pulp and paper. Its durable construction and hard seal technology deliver enhanced performance, even in tough operating conditions.

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