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Masoneilan Control Valves, Linear Valves, Rotary Valves and Actuators

Masoneilan is an international leader in the design, manufacture, and support of final process control elements and solutions. Major product lines include reciprocating, rotary, and severe service control valves, regulators, levels, and field instrumentation.

Masoneilan is an integral part of Dresser Measurement, which provides a wide range of valve products serving all phases of the energy industry. Industries in which Masoneilan products are used include Aerospace, Chemical, Oil & Gas, Petrochemical, Power, Pulp & Paper, and Refining.

Masoneilan Reciprocating Products
Dresser Flow Solutions provides a broad range of Masoneilan linear stem motion control valves. This diverse portfolio includes globe style valves, angle valves, and special application valves.

Rotary Products
Dresser Flow Solutionsprovides a broad range of Masoneilan rotary motion control valves. This portfolio includes unique self-aligning eccentric plug designs, featuring integral bonnets, adjustable capacity, and corrosion resistant configurations.

Pneumatic Actuators
Dresser Flow Solutions provides a broad range of Masoneilan pneumatic actuation solutions, including various spring diaphragm and piston/cylinder designs.

Dresser Flow Solutions provides various types of Masoneilan control and measurement instrumentation for use with control valves and pneumatic actuators. The product portfolio includes pneumatic and electro-pneumatic positioners, I/P transducers, level control devices, and Smart instruments.

Engineered Specials
Dresser Flow Solutions provides a wide range of Masoneilan engineered solutions using field proven technologies and application expertise. Conventional designs do not generally provide the optimum solution for peak performance and equipment longevity in these types of applications.

Smart Technology
Dresser Flow Solutions, a leader in the automated process control industry, introduces the Masoneilan SVI II. An improvement on Masoneilan’s highly successful SVI, the SVI II Digital Valve Positioner and PID Process Controller communicates locally with pushbuttons or remotely via HART registered hand-held device or with graphical display from your PC using ValVue. The FVP (Fieldbus Valve Positioner) offers highly advanced control technology for pneumatically actuated valves, providing higher precision, greater flexibility. A Fieldbus version of ValVue software is available.

&K South – Masoneilan Products



10000 Series Double-Seated Control Valve



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The Masoneilan 10000 Series double-seated control valve combines excellent high pressure drop control performance along with the ability to handle dirty fluid applications. The dual port design provides a pressure balanced effect within the valve, which reduces actuator size and thrust requirements.
Features and Benefits
Balanced trim design reduces actuator size requirements

Large streamlined flow paths offer improved operation in dirty fluid applications

Top and bottom guiding results in smooth process control by offering stability and resulting in improved process yield

Top and bottom entry access to the valve internal components permits efficient in-line maintenance and repair

Rugged design offers durability for demanding applications and field conditions

Commonality of parts with the Masoneilan 80000 Series three-way control valve helps reduce onsite inventory requirements
Common Applications

The Masoneilan 10000 Series control valve is an excellent choice for applications involving dirty fluids combined with high pressure drops. Some typical service conditions and operating requirements include:
Clean and dirty process fluids
Moderate to high pressure drops
Large flow capacities and operating range
Resistant to process system vibration
Low emissions and zero leakage options
C&K South – OEM Products


21000 Series Top-Guided Globe Control Valve


21000 Series Top-Guided Globe Control Valve
The Masoneilan 21000 Series heavy top-guided globe valve is a highly versatile, unbalanced trim design well-suited for a wide variety of process control applications including high pressure and dirty fluid applications. The unbalanced design provides reliable performance and flexibility to meet a wide range of operating requirements. There are standard options available to handle noise, cavitation, and reduced emissions.
Robust construction supports long-term smooth operation helping to enhance process uptime

Versatility of options reduces inventory and training and meets a wide range of application requirements in a variety of industries

Heavy top-guiding offers excellent support resulting in improved process control and higher process yields throughout the entire operating range

Low part count and simple construction provide ease of operation and maintenance

Reliable performance with standard solutions to control noise, cavitation, and valve leakage improving plant operating efficiency
The Masoneilan 21000 Series control valve is designed to handle a wide range of applications across various industries. It is well-suited for control loops with typical service conditions and operating requirements as follows:
Tight shutoff seat leakage
High noise gas applications
Cavitating & flashing liquid applications
Low temperature and cryogenic applications
C&K South – Masoneilan Products



80000 Series 3-Way Control Valve


80000 Series 3-Way Control Valve
The Masoneilan 80000 Series is a three-way globe-style control valve for applications requiring either combining or diverting flow in a process control system. The open flow paths and simple construction provide a reliable and easy–to-maintain valve solution.
Common parts for both combining and diverting service designs helps reduce inventory requirements and offers ease of maintenance

Large flow paths offer effective dirty service capabilities and high flow capacities

Heavy valve plug and stem guiding provides dynamic stability resulting in excellent process control and improved process yields

Top and bottom entry access to the valve internal components results in easy in-line access for maintenance and repair

Extremely rugged design for reliable operation in demanding plant environments and process control applications
The Masoneilan 80000 Series 3-Way globe control valve is an excellent choice for applications requiring combining or diverting flow. It is also very well suited for applications with dirty fluids combined with high pressure drops. Some typical service conditions and operating requirements include:
Combining services with two separate valve inlets and a common valve outlet
Diverting services with a common valve inlet and two separate valve outlets

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