Gate valves (also known as knife valves or slide valves) are linear motion valves in which a flat closure element slides into the flow stream to provide shut-off. They are one of the most common ...

Memory chips are semiconductor devices used as internal storage areas within a computer. Computer memory refers to the storage of programs or data on a temporary or permanent basis. Memory devices can ...

DC motors are electric motors that are powered by direct current (DC), such as from a battery or DC power supply. Their commutation can be brushed or brushless. The speed of a brushed DC motor can be ...

Speed sensors use magnets or optical sources to capture rotational or linear speed. Typically, they are used as gear-tooth speed sensors or are incorporated into stroboscopes or tachometers.

Ball valves are quarter-turn, straight-through valves that have a round closure element with matching rounded seats that permit uniform sealing stress. The valve gets its name from the ball that ...

This large library of free industrial online webinars available from GlobalSpec's partners covers the big trends in engineering - everything from electrical engineering and power electronics to ...

Cold-formed C and Z purlins are the workhorses of the industry. Configurations of these members have originated at the bending press they represent the two basic ways to bend a sheet of metal into a ...

Find 192 Silicon Controlled Rectifiers (SCR) suppliers with GlobalSpec. Our catalog includes 105,738 manufacturers, 20,959 distributors and 94,449 service providers. The GlobalSpec database includes ...

Spring washers, sometimes called disc springs, are a subtype of washers. They lend their mechanical capabilities to the unique profile of the material: when subject to a load, the irregularities of ...

Check valves are self-activating safety valves that permit gases and liquids to flow in only one direction. The purpose of a check valve is to prevent process flow from reversing in the system which ...

Baseband modulation techniques encode information directly as the amplitude, width, or position of a pulse. They do not utilize a sinusoidal carrier. Some of these modulation schemes are known by the ...

Find 201 HVAC Chillers suppliers with GlobalSpec. Our catalog includes 105,738 manufacturers, 20,959 distributors and 94,449 service providers. The GlobalSpec database includes 62,232 manufacturers ...