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Black fiberglass-reinforced nylon push-fit elbow fitting 12mm tube 1/2in BSPT

Legris

Legris 3109 12 21 Push-Fit Elbow Trap 12mm 1/2in 290psi 175F

SKU CH-20JM-M7XAG MPN 3109

Push-fit elbow fitting connects 12 mm tube to 1/2 in MBSPT thread, rated 290 psi and 175 °F with pre-applied sealant

  • TypeDrain Components
  • MaterialHAWA
  • ColorBlack
  • Push-fit elbow connects 12 mm tube to 1/2 in MBSPT without tools
  • Fiberglass-reinforced nylon body withstands 290 psi and 175 °F service conditions
  • Pre-applied thread sealant on MBSPT side speeds installation and prevents leaks
  • Black finish resists UV and chemical exposure in plumbing systems
  • Suits vacuum applications where secure, leak-free joints are critical

Push-Fit Elbow Fitting for Vacuum Lines

The Legris 3109 12 21 is a push-fit elbow fitting designed for vacuum applications. It connects a 12 mm outer diameter tube on one end to a 1/2 in MBSPT threaded port on the other. The body is moulded from black fiberglass-reinforced nylon for strength and chemical resistance. It arrives new with pre-applied thread sealant already on the threads.

Upgrade from Compression or Barbed Fittings

This fitting replaces traditional compression or barbed connections that require separate ferrules, clamps or sealant tape. The push-to-connect end locks the tube in place without tools, while the MBSPT thread seals directly into the port. The jump is worth it when faster assembly, fewer leak paths and a compact 90-degree turn are priorities for the system.

Fits 12 mm Tubing into 1/2 in Ports

The elbow routes 12 mm tubing at a right angle into a 1/2 in MBSPT female port, saving space in tight plumbing runs. It handles vacuum service up to 290 psi and 175 F without additional sealing compounds. The fiberglass-reinforced nylon construction resists vibration and temperature cycling. No special tools are needed for installation or tube release.

Highlights

  • Push-fit elbow connects 12 mm tube to 1/2 in MBSPT without tools
  • Fiberglass-reinforced nylon body withstands 290 psi and 175 °F service conditions
  • Pre-applied thread sealant on MBSPT side speeds installation and prevents leaks
  • Black finish resists UV and chemical exposure in plumbing systems
  • Suits vacuum applications where secure, leak-free joints are critical

Specifications

TypeDrain Components
MaterialHAWA
ColorBlack
BrandLegris
Model3109 12 21

Questions about this item

What tube diameter and thread size does the 3109 12 21 elbow accept for a push-fit connection?

The fitting connects 12 mm outer-diameter tubing on the push-to-connect side and a 1/2 in MBSPT thread on the other side.

How do I install the 3109 12 21 push-fit elbow and what is the common mistake?

Push the 12 mm tube firmly until it seats and thread the 1/2 in MBSPT end into the port; the pre-applied sealant means no extra tape is needed, and the error is stopping short of full tube insertion.

When should the 3109 12 21 elbow be replaced in a vacuum line?

Replace it if the fiberglass-reinforced nylon body shows cracking, the push-to-connect grip no longer holds the 12 mm tube securely, or the fitting has seen pressures above 290 psi or temperatures above 175 °F.

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