Information about Industrial Valves

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About Industrial Valves

Industrial valves are classified in many different ways. They can be distinguished by material of construction, media handled, and/or application. Most industrial valves are made of metal or plastic materials. Metal valves are made of aluminum, brass, bronze, copper, cast iron, ductile iron, steel, or stainless steel. Plastic valves are made of acetal polymers, polyvinyl chloride (PVC), polytetrafluoroethylene (PTFE), polyethylene (PE), polypropylene (PP), or polyvinylidene fluoride (PVDF). In terms of media handled, there are many choices for industrial valves. Air valves can handle breathable, compressed, or non-pressurized air. Water valves can handle hot water, cold water, ground water, potable water, salt water, or wastewater. Gas valves can handle high-purity gas, liquefied petroleum (LP), natural gas, or sour gas. Some industrial valves can handle abrasive materials, acids, adhesives, concrete, coolants, hazardous materials, high viscosity fluids, hydraulic fluids, or gasoline. Others are designed to handle liquid metal, lubricants, oil, powders, rendering wastes, solids, sludge, slurry, or steam.

Products & Services Related to Industrial Valves

Air Pressure Regulators

Air pressure regulators control pressure in air lines (usually adjustable) to remove fluctuations and maintain consistent pressure for pneumatic devices.

Air Valves

Air valves allow metered fluid flow in one or both directions. They are used in pneumatic circuits to regulate the rate of activation or exhaust of cylinders and other pneumatic devices.

Control Valves

Control valves or proportional valves are power-operated devices used to modify fluid flow or pressure rate in a process system.

Diaphragm Valves

Diaphragm valves close by means of a flexible diaphragm attached to a compressor.

Plastic Valves

Plastic valves are made from plastic materials and are used in applications that require corrosion resistance and/or chemical handling.

Pressure Regulators

Pressure regulators are used to maintain a constant outlet pressure or flow.

Sanitary Valves

Sanitary valves are designed for applications requiring clean or sterile processing.

Engineering Web: Valves - Machine Design

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Pressure Valves \| Machine Design Pressure Valves November 15, 2002 Printer-friendly version Valves are essential elements for controlling fluid system performance.
Fluid Transfer Valves \| Machine Design Globe valves are used for throttling purposes and where positive shutoff is required, in sizes up to 6 in. Globe valves have a replaceable plug and
Proportional Valves \| Machine Design The performance of proportional valves falls in the wide spectrum between on/off solenoid valves and electrohydraulic servovalves.

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