WR-21 O-ring for safety glass and lens 21*15*2.7*2.2 mm

Description

Description

O-ring for protective glass and lenses, dimensions 21*15*2.7*2.2 mm, article WR-21. It is used in SUP laser welding and cleaning guns (CQWY) as well as in welding guns from other manufacturers using this standard size. The ring serves for sealing protective glasses D18*2 mm and focusing lenses D20, made of high quality materials: PTFE and stainless steel.

The WR-21 O-ring is designed to reliably protect the glass of laser guns. It provides ideal tightness and protection against dust and contaminants arising during the welding process, which extends the service life and operating efficiency of laser equipment. The outer diameter of the ring is 21 mm, the inner diameter is 15 mm, the outer/inner thickness is 2.2/2.7 mm.

O-ring – is a reliable solution to protect your laser equipment. Providing perfect tightness and durability, it significantly increases the service life and efficiency of laser heads and pistols. The appearance of the product may differ from what is indicated in the image.