• Airgas Model C445D320 Supelcoat Coated Stainless Steel High Purity Two Stage Pressure Regulator With 1/4" FNPT
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Airgas Model C445D320 Supelcoat™ Coated Stainless Steel High Purity Two Stage Pressure Regulator With 1/4" FNPT Connection And Threadless Seat

Airgas Model C445D320 Supelcoat™ Coated Stainless Steel High Purity Two Stage Pressure Regulator With 1/4" FNPT Connection And Threadless Seat

$1,353.00 USD
$1,353.00 USD
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This series of 316 stainless steel two-stage high-purity regulators is designed for non-corrosive analytical, mildly corrosive and process applications requiring precise, stable delivery pressure control. The two-stage design yields a delivery pressure change of less than 0.01/100 psi inlet change. Convoluted Hastelloy® C-22 diaphragms provide excellent regulating characteristics and allow for internal vacuum purging. The metal-to-metal diaphragm seal prevents contamination by eliminating the need for a soft seal and provides a leak-rate design of less than 2 x 10–8 ccs helium. This minimizes cleanup time in vacuum purging and yields lower residual contaminant levels. A diaphragm packless outlet valve with a 1/4" compression tube fitting is provided for flow control and to maintain system purity. Captured bonnet ports with optional vent adapters are standard on both stages and allow the venting of hazardous gases in the event of diaphragm failure. These regulators are ultrasonically cleaned for the most demanding high-purity service.

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Technical Specifications

Maximum Rated Inlet Pressure: 4,000 psig
Outlet Pressure Ranges: 0-100 psig
Flow Capacity: Cv=0.06
Ambient Operating Temperature: -40° F to +150° F
Designed Leak Rate: Bubble tight
Weight: 4 lbs
Ports: ¼" FNPT
Delivery Gauge: 0-200
Capacity: 380 scfh @ Max Delivery Pressure
Decay Inlet Characteristic: 0.01/100 psi
Stage
Two Stage
Brand
Airgas
Material
Stainless Steel

Product Attributes

Model
C445D320
Usage
High Purity
Material
Stainless Steel
Regulator Type
Two Stage Regulator
Inlet Connection
1/4" FNPT
Outlet Connection
1/4" Compression
Max Outlet Pressure
100 psig
Gauge Diameter
2 1/2"