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Gas Regulators: Selection, Installation and Operation

From Sigma-Aldrich
 

 
Aldrich lecture bottle and specialty gas regulators are designed for use with dry (anhydrous) gases at a normal operating temperature of 70°F (21°C) and maximum inlet pressure of 3000psig. Certain gases will hydrolyze in the presence of moisture to form corrosive products that can impair regulator operation and cause failure. It is essential that system lines and regulators be purged with dry inert gas before and after use with corrosive gases
Product Announcements
ControlAir Inc. - Type 3500 High Pressure Regulator
ControlAir Inc. announces the introduction of the Type 3500 High Pressure Regulator. This unique pressure regulator reduces inlet pressures from as high as 6000 psig (413 BAR) down to working... (read more)
Applied Energy Systems, Inc. - High Flow Bulk Gas Delivery Systems
Applied Energy Systems announces its new Millennium line of bulk gas delivery systems. Systems for HCl, NH3, and SiH4 have been installed worldwide. (read more)
ControlAir Inc. - Stainless Steel Pneumatic Regulators
ControlAir Inc. announces a major product expansion to their line of Stainless Steel Pneumatic Regulators and Filter Regulators. The expansion includes adding an automatic drain option, a low... (read more)
GDS, Inc. - Complete Range of Gas Panels and Manifolds
GDS Inc. manufactures a complete range of gas panels and manifolds. Standard panels are fabricated from 316L stainless steel 10-15 ra electro-polished internals. Standard Panels can be fabricated with... (read more)
ControlAir Inc. - 350/360SS Series Stainless Steel Filter Regulators
ControlAir Inc. announces the introduction of the Type 350SS Stainless Steel Filter Regulator and the Type 360SS Stainless Steel Regulator. The Type 350/360SS series was designed to stand up to the... (read more)
 
Topics of Interest
Absolute Pressure - A quantity of pressure with respect to total vacuum. Equal to the sum of a pressure gauge reading and atmospheric pressure (14.69 psia at sea level). Absorption - The "soaking up"... (Read More)
Before Starting - Determine the Following: Instrument Types, Flow Rates & Delivery Pressures, Purity Requirements, Flexibility of Instrument Placement, Volume of Gases and Types, Centralized or... (Read More)
This glossary contains definitions of specialty gas regulators. (Read More)
13.1 Introduction Regulators and valves are the last, most expensive, and least understood element in a process control loop. They are used to control the process variable by regulating gas flow,... (Read More)
Few members of the valve family are as unknown or misunderstood as the regulator. Widely used throughout industry as air sets for pressure control of the instrument air to actuators of diaphragm... (Read More)