Maxos Borosilicate Round Sight Glass

We are engaged in manufacturing, distributing and exporting excellent quality MAXOS Borosilicate Round Sight Glass to our valuable clients. The material properties values and small dimensional tolerances are guaranteed by production and quality controls. With these exceptional safety characteristics, MAXOS safety sight and level gauge glasses can be used under extreme operational conditions.

TECHNICAL CHARACTERISTICS OF MAXOS DISCS

Bending strengtha Y 160 N/mm223.000 psi
Surface compressive stressa Y 100a 140 N/mm214.500a 20.000 psi
Parallelisma 0,20 mm0,008 inches
Flatness*)Diameter: up to 100 mm a 0,05
above 100 up to 150 mm a 0,08
above 150 up to 200 a 0,12
above 200 mm a 0,15
Thermal shock resistance I T265 K
Max. permissible temperature300 A C572 A F
Protected with mica320 A C608 A F
*) Measurements of flatness are taken only in the sealing area.

DIMENSIONAL TOLERANCES

(DIN 7080)

Diameter
up to 135 mmA 0,5 mm
150 to 200 mmA 0,8 mm
above 200 mmA 1,0 mm


Thickness
up to 20 mm+ 0,50 mm / - 0,25 mm
above 20 mm+ 0,80 mm / - 0,40 mm