Masoneilan 41005 Series Cage Guided Valve
- Size
2” through 24” (50 through 600 mm)
Ratings & Connections
Flanged: ANSI 150 – 2500, UNI-DIN 10 – 400
Welded: BW or SW
Screwed: NPT 2” (50 mm)
Body Materials
carbon steel; stainless steel; chrome-moly
Actuators
model 87/88 multi-spring diaphragm; 51/52/53 piston-cylinder
Trim
balanced cage-guided trim; Lo-dB, anti-cavitation and VRT (Variable Resistance Trim), single and multiple cages are available
Inherent Characteristics
linear or equal percentage
Description
The Masoneilan 41005 Series heavy duty control valve features balanced trim configurations. This product line offers efficient and stable operation under demanding process conditions, including applications with high-pressure drops and large temperature variations. Optional features include noise attenuation trim, anti-cavitation designs, and various balance seal options to meet a wide range of pressure and temperature requirements.
- Balanced trim design allows the use of smaller actuators to reduce overall assembly size and weight
- Heavy cage-guided construction offers dynamic support and trim alignment for resistance against flow-induced vibration throughout the entire valve stroke range. Heavy guiding of the plug enhances throttling control performance resulting in high process yields
- Low soft-goods parts count for improved valve reliability and reduced maintenance costs
- Reliable performance with standard solutions to control noise, cavitation, and valve leakage improving plant operating efficiency.
Masoneilan, a Baker Hughes brand, is a global leader in the design and manufacture of control valves, pressure regulators, and valve automation systems. With over a century of engineering excellence, Masoneilan products are trusted for precise flow control, durability, and performance across critical industrial processes.
Its extensive product portfolio includes spring-loaded regulators, globe control valves, positioners, and digital valve controllers designed to optimize efficiency and ensure safe, stable operation in oil & gas, chemical, and power generation applications.
Seven Star LLC supplies authentic Masoneilan valves and regulators across the Middle East, providing clients with high-quality process control solutions backed by Baker Hughes’ global expertise and local support.

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