The Liquip BF4-SG-25Z Sightglass Flange is a 100-mm (4”) Truck Trailer Manufacturers Association (TTMA)-approved sightglass flange that fits behind an API adaptor and Liquip butterfly valve to show if product is present and its color to confirm accurate product identification.
Features & Benefits
Maximum pressure: 1,000 kPa
Maximum temperature: 70°C (158°F)
Neo Cork and Viton® gasket options
Liquip’s acrylic sightglass are for mounting between two flanges and allow visual indication of contents in pipework.Sightglass for Flanges• Cast Acrylic, tempered. Flame polish not allowed• Sightglass fits between two flanges of the same specification.• Viton gaskets on both sides of sightglass – to be full face style.• Mounting bolts of adequate length tightened to a torque of 20Nm. Tighten up evenly in a criss-cross manner.• ANSI 125 flange (must have flat face).