- Cast Acrylic design that provides superior optical clarity.
- Annealed for improved performance with aggressive fuel additives.
- Sightglass fits between two flanges of the same specification.
- TTMA or ANSI flange options available.
- Full face Viton gaskets available and recommended.
- Sightglasses are date stamped to assist with planned maintenance.
- Suitable for all common fuel grades including diesel, unleaded, jet and ethanol blends.
-50oC to 80oC.
The standard drilling for sightglasses is TTMA, so the unit will fit behind an API adaptor as well as Liquip butterfly valve.
Mounting bolts of adequate length tightened to a torque of 20Nm -
Tighten up evenly in a criss-cross manner.
Install with full face gaskets on both sides.
General Technical Information
Do not use with solvents – see compatibility on datasheet.
Do not flame polish.
BF4: Aluminium 100mm Tube to 4" TTMA Flange.
BF4-7: Aluminium 4" TTMA Blank Flange.
BF4-1: Mild Steel 100mm Tube to 4" TTMA Flange.
BF4-6: Mild Steel 4" TTMA Blank Flange.
BF4-1S-316: Stainless Steel 316, tube to 4: TTMA Flange.
API-SG-150: 4" ANSI Sightglass flange (ASA150 - 40mm thick).
BF4-SG-25: 4" TTMA Sightglass flange (25mm thick).
BF4-SG-25Z: BF4-SG-25 c/w 4" Neo Cork TTMA gasket.
BF4-SG-25VZ: BF4-SG-25 c/w 4" Viton A TTMA gasket.
BF4-SG-40: 4" TTMA Sightglass flange (40mm thick).
BF4-SG-40Z: BF4-SG-40 c/w 4" Neo Cork TTMA gasket.
BF4-SG-40VZ: BF4-SG-40 c/w 4" Viton A TTMA gasket.
API496: Complete with sight glass & drain.
API496B: Complete with blank plate & drain.
API496D: Handle moves down, complete with sight glass & drain.
DM104: Discharge Manifold wih open/closed indicator.
LBV450VG: 4” Butterfly valve c/w bonded Viton GFLT seal.
LBV450VGZ: LBV450VG c/w 2 x 4” TTMA Viton gaskets.
LBV450VGL: 4” Buttefly valve c/w bonded Viton GFLT seal and aluminium locking tab.
LBV4-LA: 4” machined butterfly valve.