C. Compressor Selection
Appendix C—Compressor Selection
Compressor Mounting Selections
Standard 107 Items
107 Mounting
• Mechanical liquid trap with ball float
107A Mounting
• Automatic liquid trap with one NEMA 7 liquid
level switch
107B Mounting
• Automatic liquid trap with two NEMA 7 liquid
level switches
107F Mounting
• 107A or 107B with Class 300 RF flanged
components and connections
107TR Mounting
• Must specify 14" flywheel and extended crankshaft
• Steel baseplate
• V-belt drive
• Adjustable driver side base
• Enclosed steel guard
• Suction and discharge
pressure gauges
• 40 Micron strainer
• Non-lube 4-way valve
• Interconnecting piping
• Liquid trap as
specified below
Standard 109 Items
109 Mounting
• Mechanical liquid trap with ball float
109A Mounting
• Automatic liquid trap with one NEMA 7 liquid
level switch
109B Mounting
• Automatic liquid trap with two NEMA 7 liquid
level switches
109F Mounting
• 109A or 109B with Class 300 RF flanged
components and connections
109TR Mounting
• Must specify 14" flywheel and extended crankshaft
• Steel baseplate
• V-belt drive
• Adjustable driver side base
• Enclosed steel guard
• Suction and discharge
pressure gauges
• 40 Micron strainer
• Non-lube 4-way valve
• Interconnecting piping
• Liquid trap as
specified below
Interconnecting piping
Non-lube, full port,
4-way valve
NEMA 7
liquid level
switch
40 mesh
suction strainer
Drain valve
Steel baseplate
Liquid trap
Suction & discharge
pressure gauges
Enclosed steel
beltguard
Optional driver
Adjustable driver slide base
Relief valve connection
Liquid trap
Relief Valve
Two NEMA 7
liquid level
switches
Drain valve
Interconnecting piping
Suction & discharge
pressure guages
Enclosed steel
beltguard
Steel baseplate
Adjustable driver slide base
Optional driver
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