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SMC 3/4" Main Line Filter w/ Element Service Indicator & Auto Drain (78 CFM)

SMC Air Compressors and Accessories
Model: AFF11C-N06D-T
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Main Line Filter
Removes impurities like oil, water & foreign matter
Improves the function of a downstream dryer
99% filtration efficiency

Varied Applications
Suitable for approximately 15 HP compressor output
Extends precision filter life; prevents equipment trouble
Maximum flow rate varies depending on the operating pressure

Modular Connection
Customize your filtration to suit your needs
Can be linked with other SMC products (sold separately)

Operates In 41F To 140F Ambient Temperature
Effective in a wide variety of applications
7.25 PSI minimum; 145 PSI maximum operating pressure

Long Lasting Filter Element & Element Service Indicator
Replaceable element lasts about 2 years

Auto Drain
Normally open (N.O.) auto drain simplifies maintenance
4 Pounds
Product Length
4.17 Inches
Product Width
4.17 Inches
Product Height
11.29 Inches
Consumer Warranty
1 Year
Commercial Warranty
1 Year
  1 Question
Q: On filters...what does it mean NO - NC??
What's the difference between normally open & normally closed?

by Jerry from Pennsylvania on November 17, 2015

A: It's referring to the status of the drain. An "N.O." drain remains open when it's not activated; an "N.C." drain is normally closed when it's not activated.

This allows flexibility in your filter setup. Normally open drains help prevent problems caused by freezing since the condensate doesn't build up.

For both NO and NC SMC drains the drain can be discharged manually by turning the drain cock to the "O" position.

Here's a link to SMC's NO / NC FAQ illustrations that will provide more details; click on the question if the pictures don't load right away.
by Jim, Product Expert

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