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Designed mainly for on-off and isolation services in systems with high content of suspended solids. Knife gate valves are especially beneficial for handling slurry in addition to viscous, corrosive, and abrasive media. A protected seal, high-quality materials, and a complete, plain bore result in excellent performance and long service life.
As compared to other gate valve designs, which are dimensionally broader, the knife gate valve has a shorter face-to-face length and a sharpened disc. Because of this, a knife gate valve is lighter than a gate valve. These are the primary variations and most likely two of the knife gate valve’s immense benefits.
We are the manufacturers of high-quality hydraulic components that have passed ISO9001 quality management system certification. Apart from that we also have passed the domestic TS security certification. Our products are manufactured considering the API and DIN standards.
The DIN standard valves are dependable, strong, and can withstand extremely high temperatures. They are thus the best option for the oil and gas industry.
Our valves are made under JIS (Japanese Industrial Standard). These are frequently found on pipelines and vessels that were JIS-designed. Different applications for JIS valves may be found in the petrochemical, gas, and oil industries.
Under intense pressure, iron and carbon are combined to create forged steel. Compared to other treated steel, forged steel has a finer grain structure, reduced surface porosity, higher fatigue and tensile strength, and higher ductility
We provide the best reliable, high-quality Knife Gate Valves to meet expanding industrial demands.
We offer a comprehensive selection of knife gate valves for several applications as the premier knife gate valve manufacturer in China and across the globe. Our valves are tough, long-lasting, and suitable for use in very hot environments. They are highly recommended for use in the Oil and Gas Sector and meet the requirements of the petrochemical sector.
Knife gate valves often have a sharpened blade to cut through thick liquids and are Acid-proof stainless steel makes them helpful in applications involving wastewater treatment
The Knife valves allow liquids of any viscosity to pass through easily since they are less vulnerable to damages brought on by corrosion and require less frequent maintenance or even replacement.
The valves have a minimized pressure drop in the fully open position, they have a relatively low weight, and are cost-effective.
Knife valves are self-cleaning since particles are forced off the gate when the valve is opened. The valves are Bi-directional, allowing for installation with no limitations on flow direction
Knife gate valves are so-called because of their ability to cut through media containing solids. They work by lifting a round or rectangular gate out of the path of the media. The sealing surfaces between the gate and seats are planar.
A knife gate valve operates by permitting easy passage of thick media over soft seals with no obstruction. The media is broken up as it travels through the valve, which is how they function. Knife gate valves are now available in huge sizes and are employed in different processing facilities all over the world. This facilitates the valve’s handling of thick media flows, such as grease, oils, slurry, wastewater, and paper pulp. Knife gate valves are meant to seat the blade into a soft seal without causing any disturbance, although they have low-pressure restrictions.
Knife gate valves should only be used in situations when a totally open or completely closed state is required; unless specifically intended to do so, they should not be used to control flow. Every time fluid is pushed up against a partially closed gate, a vibration occurs that slowly erodes the disc and seat.
Knife gate valves are often used when a straight-line flow of fluid and minimum restriction is needed
We follow stringent measures and dual inspections in accordance with world standards. We are committed to high-quality manufacturing using advanced detection equipment and precise testing methods.
With a capacity of producing 2,70,000 valves annually, we work round the clock to provide custom-made valves as per our client's needs. From material to size and design to applications, everything can be customized
Accurate installation and proper maintenance of the valve are imperative in maintaining a safe industrial environment. Your safety is our priority.
At Xintai we are devoted to excellent customer service. You can rely on us for queries, doubts or any other issues related to our product and service. Our team is always available online, on calls or face to face to serve you better
Before selecting your valve, you will need to determine what it will be used for. Will it be used to regulate fluid or stop its flow?
Determine the type of media: Gas or Liquid. Is the medium corrosive or chemically neutral?
When it comes to the valve’s operating mechanism, it is critical to understand if it is powered manually or automatically.
After you’ve determined these various elements, you can concentrate on the technical aspects of your installation, specifically the flow and pressure that will allow you to determine the dimensions of your valve
Knife gate valve standards
Knife gate valves are manufactured to TAPPI standards. Two other important manufacturing standards to pay attention to when deciding between knife gate valves are two MSS standards:
Connection type:
Stem type:
We are a prestigious Knife gate valve manufacturer from China. XINTAI is registered with the following governmental agencies:
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