Chapter 5 - Features and Components
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06/25/2019
Chemical Equipment
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Confidential and Proprietary Data
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Versum Materials Confidential
5.1.2 Purity Control Features
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Process gas lines welded, electro-polished 316L stainless steel.
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All wetted surfaces constructed of 316L stainless steel, the valve seats made of KEL-
F.
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All orbital TIG welded plumbing using VCR fittings to maximize leak integrity.
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Versum Material 38 liter bubbler constructed of 316L stainless steel.
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The ChemGuard® CG050 is configured with a standard coolant supply and return
lines with overpressure protection, shutoff, and drain capability built into the cabinet.
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The temperature of the bubbler is typically maintained at 18° Ct.
NOTE:
Water Chiller is the end users responsibility and is not included with the system.
5.1.3 Safety and Security Features
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No spark sources in chemical storage area of cabinet for inherently safe design.
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Built-in seismic safety bolts down points per S2 Standard. Refer to chapter 2 for bolt
down dimensions.
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Specially designed scale for accurate weight detection of the bubbler, ± 150 grams, ±
0.1% of full scale.
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110% primary spill containment is standard on ChemGuard
®
Cabinets.
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Redundant overfill protection of the bubbler, including ultrasonic liquid sensors
mounted on the vent and vacuum venturi lines.
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Latching cabinet front door with key lock.
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Redundant dual liquid spill detection standard in all cabinets.
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Bubbler ASME-certified for pressure, rated to 120 PSIG.
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Pressure-relief is built in to prevent over-pressure of the bubbler. Pressure-relief valve
set for 110 PSIG.
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Designed using SEMI S2, CE Heavy Industry and U.L. safety specifications as
guidelines.
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Optional fire (temperature rate of rise) detection is available. Consult your Versum
Materials, Inc. Sales Representative.
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Optional Fire Suppression System is available. Consult your Versum Materials, Inc.
Sales Representative.