Masoneilan 21000 Series Single Port Valve



Baker Hughes offers the Masoneilan 21000 Series heavy top-guided globe valve for a wide range of automated process control applications. The 21000 Series product line features a single-ported design configuration, which permits numerous trim, actuation, and instrumentation solutions including:

  • Lo-dB* Noise AttenuationAnti-Cavitation
  • Reduced Capacity and Low Flow Trim
  • Cryogenic Configuration
  • Tight Shutoff
  • Environmental Packing
  • Advanced Digital Positioning and Control
  • Separate top and bottom guides in the Masoneilan 10000 Series provide heavy duty plug and stem support throughout the valve stroke range. This results in excellent throttling control characteristics and high product reliability.


    • Size: 3/4” through 8” (20 through 200 mm)
    • Ratings and Connections : Flanged: ANSI 150 – 2500, UNI-DIN 10 - 400 Welded: BW or SW Screwed: NPT 3/4” through 2” (20 through 50 mm)
    • Body Materials :carbon steel; stainless steel; chrome-moly
    • Actuators :model 87/88 multi-spring diaphragm; cylinder
    • Trim :single seat plug top guided; Lo-dB and anti-cavitation trims, single or double stage are available
    • Inherent Characteristics :linear or equal percentage


    Rugged top-guiding of the plug promotes maximum valve stability under adverse conditions. The inherent ruggedness of the 21000 Series is field-proven, with thousands of units installed in process control plants around the world operating successfully with various fluids under mild and extreme conditions.

    High Performance

    The combination of trim designs, actuator stability, shutoff capabilities, and superior valve positioning offers optimum control performance. The 21000 Series is also available in various materials, pressure ratings, and end connections offering a complete high-performance valve platform.


    Masoneilan 21000 Globe Valve Tech Spec (English)

    Tech Spec/Fact Sheet 524.87 KB

    Masoneilan 21000 Series Brochure (English)

    Brochures 572.15 KB

    Masoneilan 21000 Globe Valve Manual (English)

    Manuals 1.59 MB

    Masoneilan 21000 Globe Valve Fact Sheet (English)

    Tech Spec/Fact Sheet 74.42 KB

    Masoneilan 21009 Globe Valve Manual (English)

    1.02 MB

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