Introduction

Sight Glasses are used throughout the Refrigeration and Air-conditioning Industries as an easy means of visually checking the levels of liquid refrigerant and compressor oil in a system. Typically located on Liquid Receivers, Suction Accumulators, Surge Drums, Liquid Level columns and Oil management systems, Sight Glasses provide a quick and easy means of determining the operating status of the system and its liquid levels.

Heldon is excited to announce the newest addition to their ever expanding range: Rotalock Sight Glasses.

In what will prove to be another step forward in the area of monitoring and serviceability for the industry, Heldon offer the convenience of a Sight Glass 
with the superior seal tight locking joint of a Rotalock fitting.

An Industry favourite, the Rotalock utilises a connection that consists of both a male & female component, that when joined compress a sacrificial Teflon washer. By compressing this Teflon washer, a seal is created that can maintain its integrity regardless of large changes in temperature and constant system vibration.