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An SP76 Carrier Gas Manifold Design For a
Process GC
ABB Process Analytics
Tracy Dye
Parker Hannifin
Steve Doe
IFPAC 2008
Baltimore
The Problem
Multiple stacked oven design restricted access from above Carrier gas manifold needed to be
serviced from the front
Bent tubing runs required for traditional manifold design Labor intensive
Non-standard design, higher engineering costs
The Solution
Carrier gas and purge air regulators of SP76 design
Modular manifold that scales up easily from 1 to 5 zones
The Results
From this …Multiple bent tubing runs
Multiple fitting points
• Multiple potential leak points
• Service access to regulators and gauges from above
• High labor and material content
• Non-standard engineering design
The Results
To this …
• Fewer potential leak points
• Easy access to regulators and gauges from the front
• Lower labor costs (no tube bends), lower material (less tubing)
• Standard, modular engineering design
All straight, pre-fab tube runs
Limited fitting points
SP76 Carrier Gas and Purge Manifold Design
Carrier feed-thru
Gauge w/ pipe thread
Standard single carrier zone
Standard single purge air zone
4 fastener, SP76 design
SP76 Carrier Gas and Purge Manifold Design
Easy assembly and disassembly of the carrier gas feed-thru
SP76 Carrier Gas and Purge Manifold Design
Access to the regulators and gauges from the top is not required
Regulators and gauges are serviceable from the front