Diffley-Wright Corporation
1891 Porter Lake Drive Suite 106
Sarasota, Florida 34240

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Humphrey Valves: Pilot, Proportional, and Latching Types

What are Pilot Valves? Pilot valves are small, 3-way, subbase mount, direct-acting solenoid valves. They use low power and can thus be operated by smaller power supplies, controllers, or even batteries. They have a pressure rating and flow capacity sufficient to shift, or “pilot” larger process or work valves, such as those controlling large bore Read the full article…


New Humphrey Valve Saves Energy

Last February, Humphrey announced its new L310 Latching Valve. The L310 is based upon proven Humphrey technology of the balanced-poppet, direct-acting 310 solenoid valve design. The L310 Latching Valve saves energy, compared with traditional solenoid valves, with its low power consumption. It also offers the benefit of low heat generation, which can be important in Read the full article…


Basic Valves & Selection Tips

Valves isolate, switch and control fluids in piping systems. Choosing which one you’ll need for yours depends on a variety of factors, but before jumping in it can be good to know the basics. This week, we’ll discuss some of your run-of-the-mill valve types and what their advantages and disadvantages are. Gate valves Designed to Read the full article…


Humphrey Poppet Valves vs. Spool Valves: What you need to know

Whenever you’re choosing between 3 and 4 way valves for pneumatic circuits, you should always be sure to take the internal design of the valve into consideration. While a valve’s fundamental function may be the same – the use of a poppet or spool valve could have a significant impact on your application. Below, we Read the full article…