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making this one of themost accurate regulators available from full cylinder toempty
Outlet Needle Valve - built into body
single-stage
Bar Stock Bodyprovides low internal volume
Convoluted Hastelloy® C-22 diaphragms provide excellent regulating characteristics and allow for internal vacuum purging
Airgas Model N145DHF Brass Specialty High Purity High Flow Pressure Regulator With 1/2" FNPT Connection regulator making this one of themostThis 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.