26d Type Two Piece Floating Ball Valves

The Pfeiffer BR26d stainless steel ball valves are designed for ANSI 300 pressure class applications prone to erosion, abrasion, and corrosion. They enhance flow capacity while minimizing pressure recovery but may increase susceptibility to cavitation, flashing, and flow noise. Compatible with various actuators, they allow for comprehensive control valve setups with SAMSON Group integration, featuring a modular design for easy incorporation of accessories like positioners and limit switches.

Key Features

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

Key Features

The seat ring is meticulously designed to be live-loaded on one side, offering superior pressure resistance and ensuring a reliable seal even under challenging conditions, thus enhancing the overall integrity of the valve system.

Key Features

The Open-Close operation mechanism not only facilitates seamless control but also guarantees a particularly low leakage rate, achieving a 'bubble-tight' seal that prevents the escape of fluid or gas, thereby enhancing the efficiency and safety of the system.

Key Features

The utilisation of stainless steel, nickel, titanium, and other anti-corrosive materials in the construction of the body, ball, and shaft not only ensures robustness but also safeguards against corrosion, prolonging the lifespan of the valve and maintaining its operational efficiency in corrosive environments.

Valve Standards & Stuff

Maximum Pressure Rating: 150 to 300
Temperature Range: -76 to 392°F (-60 to 200°C)
Size Range: 1/2" to 4"
End Connection: Flanged
Weight Range (kg): 2 to 100
Application Type: Tight-closing Ball valve made of stainless steel for corrosive media & chemical plants
Body Material: Stainless Steel


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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Samson 26d Two Piece Rotary Ball Valves