Keystone figure 990 and 920 resilient seated butterfly valves with F79U Pneumatic Actuator
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Learn About Emerson Company
Emerson is a multinational technology and engineering company that provides innovative solutions for a range of industries, including industrial automation, process control, and climate technologies. The company was founded in 1890 and is headquartered in St. Louis, Missouri, USA. Emerson's products and services include measurement and analytical instrumentation, valves and actuators, control systems, and software solutions. Some examples of their products include control valves, thermostats, air conditioning systems, power tools, and process automation systems. They also provide services such as consulting, engineering, and maintenance support. The company operates in over 150 countries and has a strong reputation for quality and reliability in its products and services.
What are Keystone figure 990 and 920 resilient seated butterfly valves
Keystone figure 990 and 920 resilient seated butterfly valves are types of valves used in industrial applications to control the flow of fluids such as water, air, and gas. The valves are designed with a resilient seat that provides a tight seal when the valve is closed, preventing leaks and ensuring efficient operation. They are used when modulating service or corrosion resistance is required. Heavy duty applications include food and beverage, pharmaceutical, pulp and paper, mining, oil and gas and power industries. Available with PTFE lining for light corrosive services and rubber lining for light abrasive services
Figure 990 is a resilient-seated, wafer-style, butterfly valve suitable for installation between ASME 125/150 and PN 10 and PN 16 flanges. It is a high-performance butterfly valve that is used in applications where tight shutoff is required. It features a double-offset design that reduces friction and wear, making it more durable and reliable. The valve is also designed with a low torque operation, which makes it easier to operate and reduces the risk of damage to the valve.
Figure 920 provides drilled and tapped lugs around the valve body, compatible with ASME 125/150, PN 10/16 and BST'E flange standards. The Keystone figure 920 valve is a general-purpose butterfly valve that is used in a wide range of applications. It is designed with a single-offset disc that provides a tight seal and reduces wear and tear on the valve. The valve also features a low torque operation, making it easy to operate and maintain.
Overall, both the Keystone figure 990 and 920 resilient seated butterfly valves are high-quality valves that are designed to provide reliable and efficient operation in a range of industrial applications. The choice between the F990 and F920 butterfly valves will depend on the specific needs of your application. If you require a high-performance valve for demanding applications, the F990 may be the better choice. If you need a general-purpose valve that's easy to operate and maintain, the F920 may be the better option.
What Are the Features of F990 and F920 Butterfly Valves
• One-piece, thin profile, disc stem provides minimum obstruction to flow, resulting in highest Cv, lowest pressure drops and best control characteristics.
• Rounded polished disc edge gives full concentric sealing, lower torques, longer seat life and tight shut-off.
• Triple function, resilient seat isolates body and stem from line media, provides droptight shut-off of line media at full-rated pressure and provides positive flange sealing, eliminating the need for flange gaskets.
• Heavy duty, corrosion resistant top bushing provides upper stem support, absorbs actuator sideloading and extends valve cycle life.
• Bi-directional, self-adjusting double V-cup stem seals prevent external contaminants from entering the valve.
• Split body design enables easy field replacement of seat and disc/stem and permits direct mounting of Keystone actuators without the use of couplings or brackets.
How to Install the Features of F990 and F920 Butterfly Valves
There are some general steps to follow:
1. First, make sure you have all the necessary tools and equipment for the installation, including the valve itself, bolts, nuts, gaskets, and any other components required.
2. Next, prepare the valve by removing any protective covers or packaging and inspecting it for any damage or defects.
3. Place the valve between the two pipes you want to connect and ensure that it is properly aligned.
4. Use the bolts and nuts to secure the valve in place, making sure that they are tightened evenly and to the proper torque specifications.
5. Install the gaskets on either side of the valve to ensure a tight seal between the pipes and the valve.
6. Once the valve is securely in place, test it to make sure that it opens and closes smoothly and that there are no leaks.
Please note that these are general steps, and the specific installation process may vary depending on the type of valve and the application. It's always a good idea to consult the manufacturer's instructions or seek the advice of a professional if you're unsure about any aspect of the installation.
The data sheets of figure990,920 resilient seated butterfly valves keystone.
The Features of Keystone Figure 79U/E Pneumatic Actuator
• Compact rack and pinion design utilising the whole piston area to develop output torque.
• Pistons with integral rack drive reducing the number of dynamic seals, minimising air leakage.
• Double pistons nullify sideloads on the pinion shaft, minimising bearing wear.
• Springs epoxy painted and colour coded for additional corrosion protection and ease of identification.
• Hard anodised aluminium body, with external ESPC finish, protects against corrosive environments including saliferous atmospheres.
• Female output drive enabling direct mounting in certain applications, thereby eliminating special connections and guaranteeing correct alignment. • Bottom entry pinion shaft.
• Anti-friction piston pads ensuring no metal to metal contact, providing a smooth operation. Ideal for modulating or on/off control applications.
• Adjustable travel stops in both directions on certain models.
• Grease lubricated for life. • ATEX certified II 2 GD
Data Sheets: Figure 79U/E Pneumatic Actuator, Keystone, Actuators (VCTDS-01729-EN)
Manual: Figure 79 Pneumatic Actuator, Keystone, Actuators (VCIOM-01733-EN)
Emerson is a multinational technology and engineering company that provides innovative solutions for a range of industries, including industrial automation, process control, and climate technologies. The company was founded in 1890 and is headquartered in St. Louis, Missouri, USA. Emerson's products and services include measurement and analytical instrumentation, valves and actuators, control systems, and software solutions. Some examples of their products include control valves, thermostats, air conditioning systems, power tools, and process automation systems. They also provide services such as consulting, engineering, and maintenance support. The company operates in over 150 countries and has a strong reputation for quality and reliability in its products and services.
What are Keystone figure 990 and 920 resilient seated butterfly valves
Keystone figure 990 and 920 resilient seated butterfly valves are types of valves used in industrial applications to control the flow of fluids such as water, air, and gas. The valves are designed with a resilient seat that provides a tight seal when the valve is closed, preventing leaks and ensuring efficient operation. They are used when modulating service or corrosion resistance is required. Heavy duty applications include food and beverage, pharmaceutical, pulp and paper, mining, oil and gas and power industries. Available with PTFE lining for light corrosive services and rubber lining for light abrasive services
Figure 990 is a resilient-seated, wafer-style, butterfly valve suitable for installation between ASME 125/150 and PN 10 and PN 16 flanges. It is a high-performance butterfly valve that is used in applications where tight shutoff is required. It features a double-offset design that reduces friction and wear, making it more durable and reliable. The valve is also designed with a low torque operation, which makes it easier to operate and reduces the risk of damage to the valve.
Figure 920 provides drilled and tapped lugs around the valve body, compatible with ASME 125/150, PN 10/16 and BST'E flange standards. The Keystone figure 920 valve is a general-purpose butterfly valve that is used in a wide range of applications. It is designed with a single-offset disc that provides a tight seal and reduces wear and tear on the valve. The valve also features a low torque operation, making it easy to operate and maintain.
Overall, both the Keystone figure 990 and 920 resilient seated butterfly valves are high-quality valves that are designed to provide reliable and efficient operation in a range of industrial applications. The choice between the F990 and F920 butterfly valves will depend on the specific needs of your application. If you require a high-performance valve for demanding applications, the F990 may be the better choice. If you need a general-purpose valve that's easy to operate and maintain, the F920 may be the better option.
What Are the Features of F990 and F920 Butterfly Valves
• One-piece, thin profile, disc stem provides minimum obstruction to flow, resulting in highest Cv, lowest pressure drops and best control characteristics.
• Rounded polished disc edge gives full concentric sealing, lower torques, longer seat life and tight shut-off.
• Triple function, resilient seat isolates body and stem from line media, provides droptight shut-off of line media at full-rated pressure and provides positive flange sealing, eliminating the need for flange gaskets.
• Heavy duty, corrosion resistant top bushing provides upper stem support, absorbs actuator sideloading and extends valve cycle life.
• Bi-directional, self-adjusting double V-cup stem seals prevent external contaminants from entering the valve.
• Split body design enables easy field replacement of seat and disc/stem and permits direct mounting of Keystone actuators without the use of couplings or brackets.
How to Install the Features of F990 and F920 Butterfly Valves
There are some general steps to follow:
1. First, make sure you have all the necessary tools and equipment for the installation, including the valve itself, bolts, nuts, gaskets, and any other components required.
2. Next, prepare the valve by removing any protective covers or packaging and inspecting it for any damage or defects.
3. Place the valve between the two pipes you want to connect and ensure that it is properly aligned.
4. Use the bolts and nuts to secure the valve in place, making sure that they are tightened evenly and to the proper torque specifications.
5. Install the gaskets on either side of the valve to ensure a tight seal between the pipes and the valve.
6. Once the valve is securely in place, test it to make sure that it opens and closes smoothly and that there are no leaks.
Please note that these are general steps, and the specific installation process may vary depending on the type of valve and the application. It's always a good idea to consult the manufacturer's instructions or seek the advice of a professional if you're unsure about any aspect of the installation.
The data sheets of figure990,920 resilient seated butterfly valves keystone.
Keystone Figure 79U/E Pneumatic Actuator
Keystone Figure 79U actuator is a type of pneumatic actuator for remote control of any quarter turn application, for example Ball, Butterfly or Rotary Plug Valves, Dampers etc.It is 90° operation and includes Double Acting (air to air) and Single Acting (spring return). The actuator is designed to convert the energy from compressed air into mechanical motion, which is then used to open or close valves or other types of machinery. The Keystone Figure 79U actuator is known for its reliability and durability, making it a popular choice in a variety of industries, including oil and gas, chemical processing, and power generation.The Features of Keystone Figure 79U/E Pneumatic Actuator
• Compact rack and pinion design utilising the whole piston area to develop output torque.
• Pistons with integral rack drive reducing the number of dynamic seals, minimising air leakage.
• Double pistons nullify sideloads on the pinion shaft, minimising bearing wear.
• Springs epoxy painted and colour coded for additional corrosion protection and ease of identification.
• Hard anodised aluminium body, with external ESPC finish, protects against corrosive environments including saliferous atmospheres.
• Female output drive enabling direct mounting in certain applications, thereby eliminating special connections and guaranteeing correct alignment. • Bottom entry pinion shaft.
• Anti-friction piston pads ensuring no metal to metal contact, providing a smooth operation. Ideal for modulating or on/off control applications.
• Adjustable travel stops in both directions on certain models.
• Grease lubricated for life. • ATEX certified II 2 GD
Data Sheets: Figure 79U/E Pneumatic Actuator, Keystone, Actuators (VCTDS-01729-EN)
Manual: Figure 79 Pneumatic Actuator, Keystone, Actuators (VCIOM-01733-EN)
