The keystone high performance butterfly valves are an excellent way to improve water flow and control flow rates, whether installed in new construction or replacing older ones. These valves are available in a variety of styles, including straight-through and offset, and feature K-LOK, Metalseal, and Stellite overlay.
The Anvil Series 7700 Grinnell high performance butterfly valves, designed with the contractor in mind, provides an efficient way to control the flow of fluids through piping systems. This high-performance valve has a one-piece casting and a unique stem-to-disc connection.
The top flange is intended for mounting gear operators, levers, and other components. The smooth disc edge provides a bubble-free seal. The stem seal provides a leak-free shut-off in both directions. In vacuum and differential pressure, the elastomer seat provides drop-tight closure.
The Neles(tm) Q-Disc is a modular butterfly valve platform supplement. The Q-Disc is a high-performing feature that aids in flow balancing in control valve applications. The best part is that it is inexpensive.
Metalseal keystone high performance butterfly valves and pratt butterfly valves are commonly used in air circulation, power generation plants, and other industries with high pressure systems. The valve has a simple design and requires little maintenance. Aside from being sanitary and long-lasting, the valves are also available with protective coatings and a replaceable seat. In addition, these valves have a tight shut-off at full rated pressure, uninterrupted gasket surfaces, and an energized elastomer O-ring. These valves come in flanged, wafer, and lugged configurations.
Between facing annular seal cartridge members, a resilient annular seal member is assembled. The elliptical deformation of the resilient annular seal member reconfigures the circular depression 138. The resilient spring 372 resists the seal surface's outward radial forces.
A butterfly valve disc 14 is operatively engaged with a resilient annular seal member. During most valve operations, the disc and seal have very little contact. As a result, the disc wears less and there is less friction in the valve.
K-LOK high performance valves, unlike most butterfly valve, do not rely on line pressure to seal. Instead, they have a one-of-a-kind seat design that creates an excellent seal around the rotating stem. They are intended for use in high-performance applications such as steam, air, and purified gas. These valves are also suitable for use in hydrocarbon process lines, gasoline, and jet fuel.
In all applications, the K-LOK seat design ensures maximum seat life. Polymer, elastomer, and fire-safe seats are among the materials available for the seat. They also have a one-of-a-kind double-offset disc/stem design that results in a lower disc profile and an increased flow area across the disc. This design also reduces the number of wear points between the disc and the seat.
A stainless steel braided wire winding is also used in this design to provide circumferential stiffness and reduce seat/disc interference. The top stem bearings allow for precise shaft alignment and stem support.
Hardfacing, or metalworking processes such as HVOF, laser cladding, and spraying, benefit a variety of valves and internal components. Hardfacing has numerous advantages, including increased durability, corrosion resistance, and abrasion resistance.
Overlays are one of the most common types of hardfacing. Weld overlays allow substrate materials to meet strength requirements while also protecting the surface. They are commonly found in the oil and gas industry. They can improve a component's properties while restoring its original dimensions. The application process, however, must be compatible with the substrate. This is possible with a digital control machine equipped with CAD-CAM technology.
Overlay of alloys is another example of a hardfacing application. Ameya Engineers provides hard-facing of various alloys and processes to optimize component performance. Their headquarters are in Pune, India, and they serve customers in the United States, the United Kingdom, and Germany.
Every valve and motorized butterfly valve manufactured by AFC Valve is guaranteed to be 100% hydro-statically tested. The pressure rating for the seat and shell tests is 1.5 *. We are confident that any valve in a water system can be properly maintained with the testes valve. As a standard, we used EN12266. Products that meet UL and FM standards are subjected to the UL/FM test procedure.
A standard manufacturing procedure is used to control the valves throughout all manufacturing steps. IPQA has monitored each step of the manufacturing process at AFC's quality control system. This ensures that every stage of casting, machining, coating, and assembly is properly monitored. Controlling processes can lead to a faulty product.
The valve's design is the result of 30 years of field experience and a great deal of feedback. On the job, our product is safer and more efficient. All of the valve designs are based on various standards. For example, the gate can be designed to meet both EN and AS standards. EN or AWWA standards can be met by double eccentric butterfly valves. Every product must meet the manufacturer's standards.
China has the most extensive and efficient supply chain. Castings are the most expensive component of a water valve. China's castings are of high quality and reasonably priced. There are numerous methods for assessing quality and cost. AFC valve is the most effective option for achieving the best price-quality ratio.
Triple offset butterfly valve, which were invented in the 1950s, are used in applications where the valve must completely close. They are suitable for oil, water, and highly corrosive materials shut-off.
A metal-to-metal seal is used in the triple offset valve to ensure a tight shut-off in high-pressure systems. They also keep the seat from wearing out. This design extends the life of the valve.
The butterfly valve's seat and disc are made of a metal-graphite laminate. These materials are resistant to corrosion and can provide zero leakage performance.
The butterfly valve's triple offset design allows the disc to seal against the seat without friction. This reduces both wear and torque.
Triple offset valves are also commonly used in applications requiring quarter-turn actuation. Seats are usually field replaceable. This design also saves money on actuation and maintenance.
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