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Fisher Control valves, which is a brand belonging to Emerson Process Management, has been offering excellent solutions for control valves for over a century. The company's products are highly sought after and have been widely utilized in various industries, including but not limited to oil, gas, chemical, and electric power industries.
Fisher control valve boasts excellent dynamic stability and frequency response ability. The shallow membrane cover on the air supply side means that the chamber volume is small, resulting in a faster response time. This design facilitates the control valve's ability to adapt quickly to various operating conditions.
The Fisher control valve is capable of withstanding high thrust, and its molded diaphragm can provide thrust that matches the size of the diaphragm. Additionally, its robust, thick-walled cast iron and steel construction ensures great stability and corrosion resistance, preventing deformation under high pressure and extending its service life.
All sizes of diaphragm actuators 657 and 667 are available in enhanced product specifications suitable for use in temperatures as low as -50°C. A positioner is recommended to ensure the actuator's responsiveness under temperatures below -40°C.
The Fisher control valve is designed with a clamp stem connection that ensures reliable motion delivery and is easy to install. The absence of connecting rods prevents connection gaps and inaccurate valve positioning.
Operating Temperature | Standard Temperature |
Output characteristic | Linearity |
Gas supply pressure range | 140 To 700 KPa |
Critical Service | Dirty Service, Erosive |
Shutoff Class | Class IV (FCI 70-2) |
Pressure Class | ANSI CL150, ANSI CL300, ANSI CL600, ANSI CL1500 |
Application scenario | Water, Steam, Gas, Etc |
Control signal | 4-20 MA |
Flow Characteristics | Equal Percentage |
Certifications | PED, CUTR, ATEX, CRN |
This is a Chinese control valve that can be paired with a Valve positioner Samson. It can also function as a pressure regulator.
Fisher control valves are designed to meet the needs of almost any control valve application. With a wide range of actuator types and sizes, Fisher control valves offer flexibility and versatility for a variety of industries and applications.
In addition to its extensive range of actuator options, Fisher control valves also offer a variety of features to customize the valve to specific application needs. For example, it offers a wide range of spring stiffness options, which allows for even greater control and precision in process control.
Furthermore, Fisher control valves also come with travel limiter and manual devices to further expand its application range. These features provide added safety and control, and make Fisher control valves an ideal choice for even the most demanding control valve applications.
The Pneumatic Control Valve product technical support and services include:
- Assistance with installation, setup, and configuration of the product
- Troubleshooting and diagnosis of any issues that may arise
- Repairs and maintenance services to ensure optimal performance
- Replacement parts and accessories for the product
- Technical documentation and manuals for the product
- Training and education services for customers and end-users
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