Page 388 - ZSi-Foster-Engineering-Catalog
P. 388

Quick Coupling Installation
  Be Safe When Installing Quick Couplings Installation of Tapered Thread Connections
  1 Apply 11⁄2 to 2 wraps of PTFE tape, starting one or two threads from the lead edge, in a clockwise direction. For type 316 stainless steel, be sure to use stainless grade tape.
3 Finger tighten the connection.
5 Coupling is ready for use. – 388 –
2 Check threads to make sure there is no damage and that tape is properly installed. Align threaded connections and carefully begin threading the two halves together.
4 With even and smooth force applied, wrench tighten according to the “Turns From Finger Tight” values listed in the table below.
DO NOT OVERTIGHTEN!
    SAE Size
   NPFE Thread Size
 Turns from Finger Tight
  -4
 1⁄4" - 18
  2
  -6
 3⁄8" - 18
  2
  -8
  1⁄2" - 14
   2
  -12
  3⁄4" - 14
 1.5
  -16
  1" - 111⁄2
   1.5
  Do Not Overtighten!
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