Accessories
Glass discs with or without central bore hole
SKU: Glass discs
MOUNTING:The glass discs are sized for being mounted into standard circular sightglass fittings to DIN 28120 / 28121 or similar, circular sightglass fittings for PN 0 (lightweight version) and also f...
Pneumatic Motor Drives
SKU: Pneumatic Motor Drives
The staff of a plant does not always have the possibility to survey the interior of a process vessel through a sightglass on site. For these cases, remote observation by means of a camera linked to a...
Spraying Devices Series SV / SVS
SKU: Spraying Devices
Spraying devices may be used to prevent the cristallisation of media onto the glass and to remove dust and dirt.Series SV (central) / SVS (sideways) spraying devices are fitted through the sightglass...
Wipers
SKU: series W / WD / WDT / WR / WDR
Wipers may be used to prevent the crystallisation of media onto the glass and to remove dust and dirt.SERIES W / WD / WDT / WR / WDR centrally operated wipers are mounted through the sightglass disc...

John Moncrieff Sightglass Accessories: Premium Quality, Precision-Crafted Optical Components
John Moncrieff Ltd is a renowned British company that supply of high-quality industrial glass products, including sight glasses and their accessories. Their sight glass accessories are designed to enhance the functionality, safety, and durability of sight glasses used in various industrial applications. These accessories include:
Circular Sight Glass Accessories:
- Wipers: Centrally operated wipers for sight glass discs, available in different sizes and materials to suit various operating conditions.
- Spraying Devices: Designed to clean and maintain the clarity of sight glasses, preventing obstruction and ensuring accurate visual inspection.
- Glass Covers: Protective covers for sight glasses to prevent damage and contamination.