flow control

k7 flow CONTROL valve

Power Flame’s K7 Flow Control Valve features a single-piece final assembly that minimizes hysteresis for reliable performance and improved flow accuracy. This high-quality valve can operate in both a Clockwise (CW) or Counterclockwise (CCW) direction, allowing it to be biorotational.

  • Offers improved flow accuracy thanks to a single piece final assembly which over comes hysteresis.
  • Operates in both a Clock Wise (CW) or Counter Clock Wise (CCW) direction allowing it to be bi-directional.
  • Operates with #2 fuel oil, B20 Bio-diesel, and liquid propane.
  • Comes in two body sizes 3” and 4” in diameter.
  • The 3” model is UL listed for #2 fuel oil and B20.
  • K7-3-X valve will handle up to 900 BHP.
  • Field installation kit available
  • US Patent No. 11,686,400
K7 valve side view
K7 valve top view
K7 valve side view
Do not exceed torque of 75.2 in-lb.
Dimensions in inches

Flow Control Valve Model Types

The K7 Flow Control Valve comes in two body sizes: 3” and 4” in diameter. There are multiple sizes within each body size. 

A variety of models are available, each with their own oil capacity limits.

K7-3 Models 

  • K7-3-0 
  • K7-3-1
  • K7-3-2
  • K7-3-3
  • K7-3-4
  • K7-3-5
  • K7-3-5.5
  • K7-3-6
  • K7-3-7 
  • K7-3-8

 

K7-4 Models

Contact the factory for more information about K7-4-X (4″) Flow Rates.

With Power Flame, you won’t need to worry about finding the correct part for your burner’s complete assembly. We offer a variety of mounting brackets, servo coupling kits, and linkage arms for separate purchase that are compatible with the K7 valve.

K7-3-X Flow CONTROL VALVE FLOW RATES

Contact the factory for K7-4-X (4″) Flow Rates

Types of Fuels

The valve will operate with the following fuels: 

  • #2 Fuel Oil
  • B20 Biodiesel
  • Liquid Propane

The 3” model is UL listed for #2 fuel oil and B20. It is also compatible with B100 when used with a UL B100 Power Flame Burner. The K7-3-X valve will handle up to 900 BHP.

Hauck Valve to Power Flame K7 Flow Control Valve Conversion Instructions

Installation

The K7 valve comes with a conversion kit for easy installation.

  1. Power down the burner, shut off the fuel supply, and follow the lockout/tagout procedure.
  2. Remove the burner linkage.
  3. Remove the fuel lines and u-bolt from the flow control valve.
  4. If needed, remove the oil pressure gauge.
  5. Remove the piping and existing burner flow control valve.
  6. Install the piping and the new K7 Flow Control Valve (liquid thread sealant required to prevent warranty void).
  7. Replace the fuel lines.
  8. After replacing the linkage and recommission burner, test the system for leaks.

The video linked above contains visual step-by-step instructions for K7 Flow control valve conversions. Reach out to your Power Flame representative or give us a call for more information.

 

Valve Cleaning

Power Flame’s K7 Valve Cleaning Instructions walk you through how to properly clean the valve body, valve stem, and more.

About Power Flame’s Industrial Burners

At Power Flame, we strive to be the most innovative and forward-thinking manufacturer in the commercial combustion equipment industry. With 75 years of experience, we pride ourselves on offering the most advanced, productive, durable, and environmentally friendly industrial burners and accessories on the market. We offer our customers quality training, service, and support that allow their businesses to build long-term success.

To learn more about our products or our state-of-the-art Industrial Burner Training, explore our burner models or get connected with a Power Flame representative today.

questions or comments

For burner parts, wiring diagrams, and service related issues, please contact our Product Support: 620-820-8301.