26a Type Two Piece Floating Ball Valves

The Pfeiffer BR26a ball valves, crafted from stainless steel, are tailored for general service usage within the ANSI 300 pressure classification. These applications involve processes related to erosion, abrasion, and corrosion. The BR26a's design optimizes flow capacities while reducing the pressure recovery factor, rendering it susceptible to cavitation, flashing, and flow noise. These valves can be paired with pneumatic, electric, hydraulic, or electro-hydraulic actuators to form a comprehensive control valve system, following the modular assembly principle.

Key Features

Key features and benefits of 26a Type Two Piece Floating Ball Valves
1

Key Features

The incorporation of a live-loaded seat ring, positioned on one side, ensures optimal sealing integrity, mitigating the risk of leaks and enhancing overall performance reliability.
2

Key Features

Its open-close operation is characterised by an exceptionally low leakage rate, achieving a "bubble-tight" seal, thereby meeting stringent industry standards for leak prevention.
3

Key Features

Constructed from a combination of stainless steel, nickel, titanium, and other anti-corrosive materials, the body, ball, and shaft are engineered to withstand harsh environments, prolonging the valve's lifespan and ensuring resistance to corrosion.

Valve Standards & Stuff

Maximum Pressure Rating: 150 to 300
Temperature Range: 14 to 392°F (-10 to 200°C)
Size Range: 1/2" to 8"
End Connection: Flanged
Application Type: Tight-closing Ball valve made of stainless steel for corrosive media & chemical plants
Body Material: Stainless Steel

FAQs

A control valve regulates the flow of fluid by varying the size of the flow passage as directed by a signal from a controller. This adjustment impacts the rate of flow as well as the process quantities such as pressure, temperature, and fluid level.
The main types of control valves include globe control valves, which offer precise flow control; rotary control valves, known for their versatility and efficiency; and specialty control valves, designed for specific, often challenging applications.
The choice depends on several factors including the nature of the material to be controlled (liquid, gas, or steam), the required flow rate, the pressure drop across the valve, and the specific control characteristics needed. Consulting with a valve specialist is often recommended.
Globe control valves are characterized by a linear motion to throttle flow. They are highly effective for precise control in low to moderate flow rates and are favored for their ability to handle a wide range of operating temperatures and pressures.
Yes, certain rotary control valves are designed to handle slurry applications. Their design minimizes cavitation and erosion, making them suitable for liquids with suspended solids. However, the specific choice of valve depends on the slurry's characteristics.
Specialty control valves are engineered to address unique or challenging conditions not met by standard globe or rotary valves. This includes extreme pressures or temperatures, handling hazardous materials, or precise control demands.
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Material selection is critical for ensuring compatibility with the fluid, resistance to corrosion or erosion, and suitability for the operating temperature and pressure. Incorrect material selection can lead to premature valve failure and operational issues.

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26a Type Datasheets & Certificates

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