GE 21000 Brochure

GE Energy

Masoneilan* Valves

21000 Series

High-Performance Control Valves

Optimum control performance
for a wide range of automated
process control applications

• Single-ported design
configuration

• Advanced digital
positioning and control

21000 Series
Globe Style Control Valves

Versatile

GE Energy 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 single­ported design configuration, which permits numerous trim,
actuation, and instrumentation solutions including:

• Lo-dB

• Anti-Cavitation

• Reduced Capacity & Low Flow Trim

• Cryogenic Configuration

• Tight Shutoff

• Environmental Packing

• Advanced Digital Positioning & Control

Reliable

Rugged top-guiding of the plug promotes enhanced 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.

*

Noise Attenuation

High Performance

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

The simple construction and flexible design
features of the 21000 Series help to lower
maintenance costs and extends product
life cycles. This versatile product line helps
customers to solve a multitude of control valve
application problems using a common platform.

2 | GE Energy

Key Features

Model 87/88
Spring Diaphragm Actuator

• Compact Multi-Spring Design Reduces

Stem-Side Loading

• Field-Reversible Construction

• Rolling Diaphragm Helps to Reduce Friction and Wear

• Constant Effective Area for Smooth Linear Control

• Four Sizes Available Covering Large Thrust Range

• Four Standard Spring Ranges for Wider Application

Envelope

• Side-Mounted Handwheel Option

Heavy Top Guiding

• Larger Post Guide Area for Increased Stability

• Positioned Outside of Direct Fluid Flow Path

• Offers More Reliable Control Performance

Various Trim Options

• Single- and Double-Stage Low Noise and

Anti-Cavitation Trim

• Standard Hardened Trim (Stellited or

Equivalent Trim)

• Quick-Change or Threaded Seat Rings

• Reduced Capacities and Low-Flow Trims

• Equal Percentage and Linear Characteristics

• UOP Lockhopper Trim

• Soft-Seat Design

Design Flexibility

• Multiple End Connections

• Various Materials

• Angle Body Configuration

• Bellows Seal Design

• Piston Actuation Option

• Extension Bonnets

• Cryogenic Configuration

• Low-Emissions Packing

• DIN Version Available

21000 Series High Performance Globe Style Control Valves | 3