Special Applications Regulators
Gas Pressure Regulators for Specialty Gases used in Special Applications
Air Liquide offers many different Scott brand gas pressure regulators for most any application. Don't see what you need? Contact us for custom requirements.
Scott Model 14
Nickel-Plated Pressure Regulators
Scott Model 14 Pressure Regulators are recommended wherever precise, low-pressure delivery of high-purity specialty gases is needed. Compact, two-stage design with nickel-plated brass construction protects gas purity and ensures long regulator life when used with noncorrosive gases.
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Scott Model 14DFR
Demand Flow Pressure Regulators
Scott Model 14DFR pressure regulators are designed for use with instruments that utilize a pump to draw calibration gas and provide the exact amount of gas required by the instrument pump. Simple to use, they make calibration quick and easy by eliminating the need for sample bags, flowmeters or special operator training.
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Scott Model 19VOC
VOC Analytical Regulators
These regulators are designed for applications that require analysis down to the ppt level of volatile organic compound (VOC) contaminants. They are recommended wherever low ppm to ppt reactive calibration mixtures or ultra-high purity carrier or zero gases are used.
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Scott Model 23
Instrument Pressure Regulators
Scott Model 23 Pressure Regulators are general purpose low-flow, high-precision regulators that are compact and suitable for line or panel mounting in both industrial and laboratory applications.
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Scott Models 206 and 216
Low Internal Volume Pressure Regulators
Designed for portable calibration and analyzer applications, these regulators are available in both stainless steel and brass. Low internal volumes allow for rapid purging – the Scott Model 206 is a single-stage regulator with an internal volume of 3.03 cc, while the Scott Model 216 is a two-stage regulator with an internal volume of only 8.6 cc. Use the Model 216 when constant delivery pressure is desired.
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Scott Model 208
High-Delivery Pressure Regulators
These high-delivery gas pressure regulators provide high-pressure delivery of both corrosive and noncorrosive specialty gases under high inlet pressure conditions.
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Scott Model 211H
Electrically-Heated Vaporizing Regulators
For noncorrosive, nonflammable service only. These regulators are designed to relieve or eliminate "freeze-up" problems commonly experienced with applications using CO2 supplied in high-pressure cylinders. Also helps maintain gas or mixtures in the vapor state by supplying heat at the regulator control valve while providing constant pressure control.
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Scott Model 228
High-Flow Pressure Regulators
Available in brass and stainless steel, the Scott Model 228 single-stage pressure regulators are designed for high-flow applications that are capable of flowrates in excess of 60 SCFM.
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Scott Model 229
Very High-Flow Piston Regulators
Scott Model 229 piston-type regulators are designed for very high-flow applications, and both noncorrosive and corrosive service.
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Scott Model 237
Tied-Diaphragm Pressure Regulators
Scott Model 237 Tied-Diaphragm Pressure Regulators have been successfully used with acid-forming gases such as hydrogen chloride and boron trifluoride. Constructed of aluminum silicon bronze, they demonstrate superior corrosion-resistant properties for demanding gases in high-purity applications.
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Scott Model 241
Vaporizing Regulators
Scott Model 241 Series regulators are available in steam-heated or electrically-heated versions. They are spring-loaded, pressure reducing regulators designed to heat and vaporize media before and after pressure reductions to keep condensable liquids in their gas phase.
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Scott Model 247A80
Adjustable Flow Pressure Regulators
This gas pressure regulator has a built-in adjustable orifice setting, allowing the user to change the flowrates by rotating the knob. As a single-stage regulator, it’s designed to be used in either high or low-pressure applications.
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Scott Model 500
Ultra-High-Flow Pressure Regulators
These dome-loaded gas pressure regulators are designed for direct installation to cryogenic vaporizer systems to provide ultra-high downstream flows while maintaining constant delivery pressure.
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Scott Model 720
Low Delivery Pressure Regulators for Noncorrosive Service
Scott Model 720 Pressure Regulators provide extremely accurate control of delivery pressures below 10 psig (0.7 bar) and are recommended for inline use with noncorrosive, low-pressure gases.
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Scott Model 730
Low Delivery Pressure Regulators for Corrosive Service
Scott Model 730 Pressure Regulators are economical and designed for controlling highly corrosive, high-pressure gases at low delivery pressures.
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Scott Model 750
Low Delivery Pressure Regulators for Corrosive and Noncorrosive Service
Scott Model 750 Pressure Regulators have metal diaphragms and provide highly accurate delivery pressures of 0.2 to 2 psig (0.01 – 0.1 bar) for inlet pressures as high as 3000 psig (206 bar). The large effective diaphragm sensing area provides quick response, accurate and dependable regulation, and long service life.
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Scott Models 1000 and 1500
Face-Seal Connection Regulators
Scott Model 1000 Series face-seal connection regulators are single-stage, ultra-high-purity pressure reducing regulators with welded vacuum face-seal connections. Scott Model 1500 regulators have the same specifications as the Model 1000, with the addition of a tied-seat with positive seal.
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Scott Model 2900
High-Pressure Piston Regulators
These piston regulators are available in brass and stainless steel, and are designed to handle high inlet pressures up to 6,000 psig (414 bar). The stainless steel version handles high inlet pressures up to 10,000 psig (690 bar). Both are recommended for manufacturing and gas filling process applications.
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Scott Models SN206 and SN216
SilcoNert® 2000 Treated Regulators
These regulators are compact with low internal volume, with all wetted components having SilcoNert 2000 treated surfaces. Processes are more precisely controlled, sample cycle times are reduced, and instruments can be calibrated more accurately — yielding significant savings in time, labor and materials.
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