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A needle valve is included on the outlet
These regulators also have a proprietary Supelcoat™ coating that prevent interaction of corrosive and volatile compounds in high purity gas mixtures used in EPA analysis
convoluted Hastelloy® C-22 diaphragm provides good regulating performance and maximum purity integrity without the need for a soft seal
The optional bonnet vent adapter enables venting hazardous gases in the event of diaphragm failure
Airgas Model N145DHF350 Brass Specialty High Purity High Flow Pressure Regulator With 1/2" FNPT Connection Switchover A needle valve is includedThis series of regulators is used for applications requiring high gas flow rates and a compact design. These regulators can handle flows up to 250 liters per minute of nitrogen with only a 5 psig pressure drop. In addition, these units will handle hydrogen flow up to 1,000 liters per minute without the resonance problems associated with other regulators in this same application.
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