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API Sightglasses

Liquip offers a range of 3" and 4" TTMA sightglass flanges which allow for visual identification of product in the run down piping prior to opening the API valve.

The standard drilling is TTMA, so the unit will fit behind an API adaptor as well as a Liquip butterfly valve.

Sightglass flanges bolt directly behind an outlet adaptor and provide the ability to view product in piping to ensure if a compartment/tanker has product present or if it has been drained.

Liquip can supply TTMA sightglasses as single units or in "Kits". A Kit is a part that combined two or more parts e.g. a BF4-SG-25Z is a  sightglass supplied with a mating 4" TTMA gasket. Please see ordering information tab for further detail.

Features & Benefits
  • 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 flange compatible.
  • 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.
Technical Information

Temperature
-50ºC to +80ºC.

Max Pressure
1,000kPa.

Mounting
The standard drilling for sightglasses is 4" 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.

Materials 
Acrylic. 

Ordering Information

BF3-SG: 3" TTMA x 25mm thick.

BF4-SG-25: 4" TTMA x 25mm thick.

BF4-SG-40: 4" TTMA x 40mm thick.

BF4-SG-25Z BF4-SG-25 c/w 1 x 4" TTMA NBR Cork Gasket.

BF4-SG-25VZ BF4-SG-25 c/w 1 x 4" TTMA Viton Gasket.

BF4-SG-40Z BF4-SG-40 c/w 1 x 4" TTMA NBR Cork Gasket.

BF4-SG-40VZ BF4-SG-40 c/w 1 x 4" TTMA Viton Gasket.

Resources
 

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