
Rotary stem control valves
Rotary control valves
Baker Hughes offers high-quality rotary control valves known worldwide. More than 1 million valves have been successfully installed in various process industries and applications, simplifying maintenance, reducing downtime, and lowering life-cycle costs.
Rotary valves continue to provide reliability today, uniquely combining high capacity and a wide range of control. They are available in various sizes, offering flexibility to match existing systems.
Choose from our valves

Masoneilan 35002 Series Camflex™ Rotary Control Valve
This new type of valve converged the best control features of a conventional globe valve with a rotary action to produce a valve capable of replacing at least 80% of the control valves in use at that time.
Sizes:
- 1″ through 16″ (DN25-400)
Ratings and Connections:
- Flanged: ANSI CLASS 150 – 600
- Flangeless: ANSI CLASS 150 – 600 PN 10 – 100
- Screwed: NPT 1″ through 2″ (DN25-50)
Body Materials:
- Carbon steel Stainless steel High nickel alloy
Inherent Characteristics:
- Linear

Masoneilan 33000 Series – Triple Offset Butterfly Valves
Masoneilan 33000 Series incorporates patented design with advanced manufacturing to provide high performance, triple offset features that enables bi-directional, isolation tight shutoff under a wide range of pressures and temperatures for both control and on/off applications.
The advanced design and manufacturing processes of the 33000 Series incorporates high performance, triple offset enhancing features into traditional butterfly valve technology to provide superior performance within a light weight platform.

Masoneilan 36005 Series V-Max™ Control Ball Valve
These high-capacity V-ported control ball valves offer automatic throttling capability with flexible shutoff options, simplified maintenance needs, and enhanced operational reliability.
Sizes:
- 1″ through 12″ (DN25-300)
Ratings and Connections:
- Flanged: ANSI CLASS 150 – 300
Body Materials:
- Carbon steel, Stainless steel
Inherent Characteristics:
- Equal percentage

Masoneilan 31000 Series Rotary Control Valve
The 31000 Series control valve is a PFA-lined, eccentric plug control valve for corrosive applications.
Sizes:
- 1″ through 3″ (DN25-80)
Ratings and Connections:
- Flanged ANSI CLASS 150, PN 10 – 16
Body Materials:
- Cast iron PFA lined
Inherent Characteristics:
- Linear
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