Manual knife gate valve

Knife gate valve is a kind of valve designed for medium containing solid particles or fibrous media, widely used in sewage treatment, paper making, mining, chemical industry and environmental protection and other working conditions. The valve is suitable for sludge, slurry, sediment and other media, can effectively cut off the fluid containing impurities, to avoid valve clogging and damage. Knife gate valve adopts thin blade gate design, compact structure, flexible opening and closing, strong cutting ability, small flow resistance. Product advantages include reliable sealing, wear resistance, corrosion resistance, easy maintenance, suitable for harsh working conditions. The main function of knife gate valve is to realize the rapid cut-off and connection of impurity-containing medium, and to guarantee the smooth operation of pipeline system. Its excellent durability and high efficiency performance, making it an important valve equipment for handling complex media in industrial processes.

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products

Manual knife gate valve

Model: PZ73Y/X/F, PZ573Y/X/F

Subtitle：Gear driven knife gate valve

The Manual Knife Gate Valve is a rugged, manually operated valve designed to isolate abrasive and viscous fluids in pipelines. The valve is ideally suited to industries that require efficient flow control in harsh conditions, such as mining, wastewater treatment, chemical processing and paper mills.

Classification:knife gate valve

Working conditions:metallurgical plant, chemical plant, cement factory, water treatment plant

Product Overview	The Manual Knife Gate Valve is a rugged, manually operated valve designed to isolate abrasive and viscous fluids in pipelines. The valve is ideally suited to industries that require efficient flow control in harsh conditions, such as mining, wastewater treatment, chemical processing and paper mills. Its sharp gate plate is specially designed to cut through thick slurries, sediments and viscous media, ensuring a tight seal when closed and reliable shutoff performance. Manual operation makes them easy to control in a variety of applications and is a cost-effective and durable low-maintenance solution. Designed for use in harsh environments, manual knife gate valves provide safe isolation and prevent backflow to improve operational efficiency and minimize downtime in fluid systems.

Product Characteristics	MANUAL OPERATION: The valve is operated by a handwheel or gearbox, which allows precise control of the valve operation in the open and closed positions. Manual operation requires no external power supply, ensuring easy and reliable operation. KNIFE GATE DESIGN: Sharp gates designed to cut through viscous, abrasive slurries and solid particles for effective cutoff. Sealing Options: The valve can be equipped with either a resilient soft seal or a metal-to-metal seal for optimum sealing performance, depending on the application. Durable structure: manual knife gate valve is made of carbon steel, stainless steel or cast iron and other high-quality materials, corrosion-resistant, wear-resistant, long service life. Wide range of sizes: The valve is available in sizes from DN50 to DN1800 to accommodate a wide range of pipe diameters. Compact and robust design: Despite the valve's power, its space-saving design makes it suitable for installation in confined spaces.

Product Advantages	Cost-effective: Manual operation without actuators reduces initial installation costs and maintenance. Reliable performance: knife gate valve sharp knife edge can effectively cut hard media to ensure tight sealing and reliable closure. Low maintenance costs: manual operation and simple design minimize the risk of failure, thus reducing maintenance requirements and downtime. Wide range of applications: The valve can handle a wide range of harsh media, including slurries, sediments and chemicals, making it highly versatile in different industries. Small footprint: The compact design is ideal for space-constrained installations without compromising performance.

Medium of use

Sewage/wastewater, Slurry/Slurry, slurry

working condition

metallurgical plant, chemical plant, cement factory, water treatment plant, petrochemical industry, mining industry, Crushing and grinding of slurry, Pulp Conveying, paper mills

summarize

Manual knife gate valves are a reliable and cost-effective solution for isolating and controlling abrasive, viscous and solid-particle-laden fluids. Their durable construction, simple manual operation and efficient sealing performance make them ideal for a variety of industrial applications. Whether you're in mining, wastewater treatment, chemical processing or power generation, manual knife gate valves are a rugged, low-maintenance option that ensures long-lasting, stable operation under demanding conditions.

Product Parameters

Nominal diameter	2-72 inch (DN50-DN1800)
Nominal pressure	PN6-PN16 (150LB)
Applicable temperature	-10°C to +150°C (or as required by the sealing material)
sealing material	Elastomer seals, metal-to-metal seals
Valve Material	Carbon steel, stainless steel, cast iron
connection method	Flange type, Lug type
actuators	Manual (handwheel or gearbox)