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
1000 Series Globe Style Control Valves Versatile High Performance 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: The combination of trim designs, actuator stability, shutoff capabilities, and precise valve positioning offers optimum control performance.
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 Design Flexibility • Multiple End Connections • Various Materials • Angle Body Configuration • Bellows Seal Des
Customer Benefits Reduced Noise Levels The optional Lo-dB trim designs offer single-stage and doublestage noise attenuation benefits. Noise reduction levels of up to 25 dBA are possible, depending on the specific operating conditions. Extended Life Cycle Optional Anti-Cavitation trim is also available in single-stage and double-stage configurations. Proper control of dynamic cavitation conditions is extremely important for maintaining the continuous high performance and reliability of control valves.
Clean Air Compliance The optional LE Packing system helps to reduce atmospheric emissions from the stem seal area. This unique feature helps to promote compliance with environmental safety and emissions control requirements. Spring Loaded Follower S/A Packing Set PFE/PTFE 5 Pieces Hazardous Emissions Control The optional Bellows Seal configuration is well-suited for applications involving highly toxic and dangerous fluids.
Product Specifications Operating Range Sizes 3/4” to 8” (20mm to 200mm) Body Ratings ASME Class 150 to 2500 (Equivalent PN) Leakage ANSI/FCI/IEC Class IV, V and VI Cv Range 0.
Materials of Construction 5 9 2 7 1 6 8 3 4 Materials of Construction 1 Body Carbon Steel, Stainless Steel, Chrome-Moly, Other Alloys 2 Bonnet Carbon Steel, Stainless Steel, Chrome-Moly, Other Alloys 3 Plug Stainless Steel, Stainless Steel with Hardfacing, Stellite or Equivalent, PTFE Soft Seat 4 Seat Ring Stainless Steel, Stainless Steel with Hardfacing 5 Stem Stainless Steel 6 Cage Stainless Steel 7 Guide Bushing Stainless Steel 8 Gaskets Stainless Steel with Flexible Graphi
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