CV30

BMD Control Valves

The CV30 control valve is a reliable, full-port control valve in a compact package featuring balanced plug control trim for excellent throttling or on/off control of fluids.

  • Metal-to-metal seat available
  • Valve available in a variety of material options and trim sizes
  • NACE option available for sour service

FW Murphy is the exclusive BMD distributor for new equipment packages. 

  • Overview
  • Specifications
  • Literature

The CV30 control valve’s adjustable topworks is designed to save space while leaving enough room to mount a controller. The soft-seat design achieves repeatable bubble-tight shutoff while remaining out of the flow path.

The CV30 is ideally suited for a wide range of applications with pressure control, level control or flow control.

  • Sizes: 2”, 3”,4” and 6”
  • Connections: Female NPT (2” only), flanged
  • Body Type: Globe
  • Trim Characteristic: Modified % (throttling)
  • Trim Size: Full port and reduced port (1 size down)
  • Seat Types: Soft seat with metal-to-metal backup or metal-to-metal hard seat
  • Pressure Rating: See bulletin
  • Temperature Range:  -50° F to 300° F (-46° C to 149° C)
  • Shutoff: ANSI Class IV
  • Actuator Sizes: 
    • 2” CV30 – No. 70 (70 in2 area)
    • 3” CV30 – No. 120 (120 in2 area)
    • 4” CV30 – No. 120 (120 in2 area)
    • 6” CV30 – No. 120 (120 in2 area)
  • Actuator Spring Ranges: 3-15 psi, 6-30 psi
  • Actuator Action: Reverse (fail-close) & direct (fail-open)
  • Stem Travel:
    • 2” CV30 – 1.00 in.
    • 3” CV30 – 1.42 in.
    • 4” CV30 – 1.76 in.
    • 6” CV30 – 2.50 in.
  • Materials:
    • Body: WCC steel, LCC (low-temp option)
    • Packing Plug: A105 steel with nickel plating, A350 LF2 with nickel plating (low-temp option)
    • Trim:
      • Plug Ring: D2 tool steel (standard), 316 stainless (optional), carbide (optional)
      • Plug Tip, Seat Ring: D2 tool steel, 316 stainless (optional)
      • Seat: Polyurethane, low-temp HNBR (optional)
      • Cage, Plug and Stem: 316 stainless
      • Actuator Housing: Carbon steel
      • Yoke: A395 ductile iron
      • Bolting: A193 B7

For more information about this product, you can download the related literature here:

Sales Bulletin (2015349; revision date: 10/2022)