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Combustion 911 Blog

FAQ: What’s an Air Valve?

The term “air valve” can refer to several distinct pieces of equipment. Combustion requires heat, fuel, and oxygen, and we usually see oxygen provided as a component of ambient air (the air we breathe). The type and quantity of air valves on a system is determined by the application and the control scheme. We might Read More

C911-P Pressure Switches

Say hello to our new automatic reset pressure switch! The C911-P is FM Approved for use with gas and air in industrial combustion systems. They’re designed to detect rising, falling, and differential pressure. Best of all, they’re in stock and available to ship fast from Kent, OH. What does a pressure switch do? A pressure Read More

FAQ: What Does an Actuator Do?

What does an actuator do? An actuator drives a valve, causing it to move toward the open or closed positions. Actuators are present in all automatic valves, and can take the form of a motor (servo, pneumatic, hydraulic, etc), a solenoid, or something else. With a manual valve, your hand is the actuator. Actuators operate Read More

FAQ: What are Low NOx Burners?

What is NOx? Nitrogen Oxide (NOx), is a common byproduct of combustion processes. Whenever fuel (natural gas, propane gas, methane, coke oven gas, biogas, etc) is burned at high heat, NOx is produced. It is present in emissions from cars, trucks, boats, planes, and construction equipment, as well as industrial equipment like power plants, kilns, Read More

Rotating a DIN Plug

If you’ve never worked with plug-and-socket electrical connections, you might have a lot of questions the first time you see one. What’s the torque spec. for tightening the plug? How important is the gasket? How do I reorient the direction of the plug? Our latest video tackles the last question. Reorienting the socket is very Read More

Olsträd Engineering and Ohio TechCred

One of the great things about having offices in Kent, Ohio is that we’re able to access state resources like Ohio’s TechCred program. TechCred is a grant aimed at increasing the skills of Ohioans, and creating stronger workforces for employers. Approved, technology-related training programs are eligible for grants of up to $2500. This is a Read More

Elektrogas Solenoid Air Valves

Elektrogas VRA, VLA, and VTA are a series of solenoid actuated valves used to control cold combustion air. Thanks to their expert design, they’re capable of continuous service, and are ideal for on/off or high/low control of combustion air in industrial gas burners. Function Elektrogas air valves are normally closed. When powered, the valve opens Read More

FAQ: What is a Ribbon Burner?

What is a Ribbon Burner? A ribbon burner is a type of premix, direct-fire burner typically used in low temperature applications such as air heating, bakery, sterilizing, brazing, and packaging. The term “premix” refers to a process of creating a gas and air mixture, at the proper ratio, which populates the flame tube prior to Read More

FAQ: What is a double solenoid valve?

You’ve probably run into the phrase “double solenoid safety shut-off valve” from time to time, but what does this mean? What makes a double solenoid valve different than a single valve? Are they required by NFPA86? Join us for answers to these questions, and more! What is a double solenoid valve? A solenoid valve uses Read More

FAQ: What is NFPA86?

If you work in combustion, then you’ve almost certainly heard the term NFPA86 before. Many people seem unsure about what exactly NFPA86 is. So, we’ve put together a handy overview to clarify this commonly heard phrase. NFPA NFPA is an organization (NFPA= National Fire Protection Association). Their goal is to reduce the threat of injury Read More


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