• Prevents fittings from loosening under slight pressure.
• The seal surface has excellent roundness and surface precision, suitable for high-vacuum use.
• Highly precise threads allow smooth opening and closing with a light touch.
• The core rod is replaceable for easy maintenance.
• The tolerance for glass tube L1 and L2 is ±5 mm.

code	Model	Branch diameter	L1–L2 dimensions
7028-01	GTV-8L-G	8×5	85–80
7028-02	GTV-10L-G	10×7
7028-03	GTV-12L-G	12×9	85–90
7028-04	GTV-19L-G	19×14