Model KB-RF-NL Bolt-On Sightglass
Model KB-RF-NL Sightglasses provide a quick, efficient and economical way of adapting an existing studding outlet flange into a sightglass. This model utilizes the existing flange as your tank flange and we provide a full face gasket, lens, upper gasket and upper flange to bolt to your existing flange. We can match your existing flange detail. We stock 150# standard raised face flanges but we also provide 300#, 600# and European DIN style flanges if required.