Matheson Model 3217B Single Stage Deluxe Corrosion Resistant Monel Regulator, CGA-330, Delivery Pressure Range 1-50 PSIG, SEQ3217B330

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Matheson Model 3217B Single Stage Deluxe Corrosion Resistant Monel Regulator SEQ3217B, CGA-330 A CGA fitting is the standardized system for the attachment of a compressed gas cylinder to the required regulator or transfer line. The three digit number, CGA (XXX), corresponds to specific gasses which that fitting is tailored for. See CGA Connection Chart.pdf in the downloads section for specific gas types compatible with this CGA-330 fitting. Regulator Specifications Maximum Inlet Pressure: 3000 PSIG (20,700 kPa) Maximum Flow Rate (at 2000 PSIG, N2): 1500 SCFH (700 SLPM) Flow Capacity (Cv): 0.20 Operating Temperature: -40°F to 140°F (-40°C to 60°C) Porting (Regulator Body): 1/4” NPT Female Porting Configuration: 2 High, 2 Low Delivery Pressure Range: 1-50 PSIG Delivery Pressure Gauge: 0-100 PSIG Cylinder Pressure Gauge: 0-1000 PSIG This is a Matheson Single Stage Monel Regulator with a 1/4 in MNPT outlet connection and 1/4 in FNPT body porting. It comes equipped with 2.5 inch Monel inlet and delivery pressure gauges, a Monel needle valve outlet, Chrome plated brass bonnet, and PCTFE seat and seals. This Matheson series 3210B, Model 3217B regulator is to be used in applications requiring delivery pressures up to 50 PSIG and can accept a maximum inlet pressure of 3000 PSIG. This regulator is suitable for specific applications requiring: pressure regulation of acid forming halogen gases, such as hydrogen chloride, chlorine, hydrogen fluoride, hydrogen bromide, and silicon tetrafluoride Dispensing of corrosive calibration gases Research and development applications where a corrosion resistant regulator is required for either corrosive ambient conditions or corrosive gas service Applications requiring extended regulator lifespan in severe conditions Single-Stage vs. Two-Stage Both single-stage and two-stage regulators operate by reducing the pressure of gas supplied by a cylinder to an appropriate output level. The intake and delivery pressure ranges of regulators do not depend on how many stages they have, but by each regulators mechanical characteristics. When considering a single vs. a two-stage regulator there are two things to keep in mind: Droop and Supply Pressure Effect. Droop is the decrease in output pressure caused by an increase in flow rate. Supply Pressure Effect is simply the variation in delivery pressure from the cylinder to the regulator. Single Stage regulators will experience less droop with varying flow rates but a large supply pressure effect and need to be monitored and adjusted by an operator or used in applications where supply pressure will remain constant. Two-Stage regulators inherently control for variations in supply pressure while producing a constant output and therefore can be used without an operator present and in applications which require a very specific delivery pressure. The specification sheet for this series of regulator can be found in the downloadable section as a .PDF to the left.