James Duva, Inc. is the one-stop-shop for your plug valve needs, along with other products your upcoming jobs. The plug valve is similar to the gate valve since it is best used in applications where all you need from the valve is on/off toggle. It’s also similar to a butterfly valve since it’s one of […]
James Duva, Inc. supplies the butterfly valve you need in addition to many of your other requirements for piping. No matter what you may need for your next job, we have a solid solution for your piping needs. Butterfly valves are flow regulation devices that you can use in piping. The butterfly valve is something […]
James Duva, Inc. supplies the globe valve you need as well as all of your piping needs. It’s our mission to showcase our reliable line of products. The globe valve is another type of flow regulation valve used in a pipeline. It’s quite similar in usage to the gate and ball valve as they both […]
James Duva, Inc. supplies the gate valve you need in addition to many other valves and piping you may have. At James Duva, we make it our priority to provide durable products. A gate valve opens by hoisting a wedge-shaped gate so that it does not block the path of gas or fluid. Much like […]
James Duva, Inc. supplies ball valves as well as most of your piping needs. These units are durable and can be used in high pressure applications. A ball valve is a variation of a quarter-turn valve that utilizes a ball with a hole through it, which opens and closes the valve based on the direction […]
James Duva, Inc. is a reliable supplier of check valves, in addition to many of your piping & welding needs. Our products are reliable, versatile and may be used in extreme conditions. With two openings in the body (one for fluid to exit and one for it to enter), Check valves allow gas or liquid […]
To cut through heavy liquids that have clogged, a knife gate valve uses a blade as its primary component.
A safety device made to divert pressure, a pressure Relief Valve offers an outlet to handle dangerous pressure build-up. Required by law for safety reasons in many areas, Pressure Relief Valves are very useful for a variety of industries.
With a flexible membrane to close the opening, the Diaphragm Valve utilizes the pressure decrease or increase on either side of the device to move. Diaphragm Valves are used in industries like pollution control, food processing, mining and pharmaceutical manufacturing.
Available in Switch and Isolation, a coker is used to convert residual oil into petroleum coke, low molecular weight hydrocarbon bases, light and heavy gas oils, and naptha.
Usually non-mechanical, Flow Control valves typically rely on the conditions of the regulated substance to close or open the device. Monitoring devices such as temperature gauges and pressure gauges are sometime used to regulate Flow Control valves.
Bellows sealed valves are used to reduce the leakage that creates emissions in the pipelines of chemical plants. The welded bellow and the forged bellow are the two main types of bellow sealed valves.