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GENTLE_TLL

Long Elbow Type Quick Fitting

  • Brand GENTLE Fittings
Features
  • Extended 90° Elbow: Lengthened male-thread section reaches recessed ports inside guards, deep cavities, or near interferences—solving access limits in tight spaces.
  • Hex-Wrench Locking: Wrench flats above the thread enable precise torque for stable, vibration-resistant seating.
  • Pre-Coated Thread Sealant: Factory-applied sealant provides reliable sealing; after multiple reassemblies or in high-vibration sites, add a light wrap of PTFE tape to maintain airtightness.
  • One-Touch Push-In Port: Tool-free tube insertion/removal speeds service and reduces downtime.
  • Broad Size & Thread Coverage: Supports 4–12 mm tubes; threads include M5 and RC1/8–RC1/2 for common equipment interfaces.
  • Recessed/Tight-Space Solution: Avoids tool-clearance issues and under-radius bends that cause leaks or tube damage, yielding cleaner routing and longer service life.
  • Applications: Inside spindle guards and deep pockets on CNC tools; hidden chassis ports on instruments; tight gaps near robot bases/end-effectors; deep threaded holes behind panels; valve-island take-offs and wall-side straight runs; retrofit conversions from straight to elbow routing.
Specification

Metric Dimension

ModelH
Tube Size

K
(RC)

ABCDEGIJ

Effective Area

(mm2)

Weight
(g)
TLL4-M54M5x0.838.835.930.816.910.214.91011.51.517.3
TLL4-01RC1/842.137.632.517154.217.8
TLL4-02RC1/444.438.433.318.510.214.714154.2 
TLL6-016RC1/844.440.43419.812.8171213.91026
TLL6-02RC1/447.441.4351416.238.8
TLL6-03RC3/849.843.336.812.91719.69.561.2
TLL8-018RC1/850.946.939.522.714.818.11416.216.518.5
TLL8-02RC1/453.947.940.521.5
TLL8-03RC3/855.849.341.8151719.617.831
TLL10-0110RC1/860.656.647.828.617.621.21718.522.4 
TLL10-02RC1/463.457.448.526.217.820.219.63035.5
TLL10-03RC3/864.457.94939.5
TLL10-04RC1/268.658.64928.617.621.2212330 
TLL12-0212RC1/470.864.85429.421.523.32124.339.150.5
TLL12-03RC3/871.865.354.54455
TLL12-04RC1/274.866.85654.266
FAQ

Q1: How does TLL differ from TL?
A: TLL is an extended 90° elbow reaching recessed/tight ports; TL is a standard short elbow for general corner routing.

 

Q2: What applications best fit TLL?
A: CNC deep pockets, behind spindle guards, hidden chassis ports, tight robot gaps, deep holes behind panels, and valve-island take-offs in constrained layouts.

 

Q3: Any tips for deep-hole installation?
A: Use a socket hex wrench on the wrench flats; confirm clearance vs A/B/C dimensions; cut the tube square, deburr, and fully insert—avoid twisting the tube during seating.

 

Q4: Is PTFE tape required?
A: Typically no (threads are pre-sealed). After multiple cycles or in heavy vibration, add a light wrap of PTFE tape per site practice.

 

Q5: How does it perform under vibration/frequent cycling?
A: The O-ring seal + metal collet + pre-coated threads maintain airtightness and pull-out resistance; periodic inspection is recommended.

 

Q6: Which tube materials/sizes are supported?
A: PU and nylon (PA) tubes, standard OD range 4–12 mm. Match the push-in size and observe the minimum bend radius.

 

Q7: Will sealing degrade after repeated reassembly?
A: Pre-applied sealant can diminish over cycles; supplement with PTFE tape as needed and inspect the threads for wear or contamination.

 

Q8: Is it suitable for vacuum or higher pressure service?
A: It's primarily for compressed air. For vacuum, higher pressure, or special media, verify compatibility and proof pressure before deployment.

 

Q9: How should I troubleshoot a minor leak?
A: Ensure a clean, square cut and full insertion; verify thread seating; add PTFE tape if needed and check threads, and depth/clearance tolerances.

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