Glass consultant DIN 7081 - Borosilicate | ACI Industriearmaturen GmbH

Glass consultant for rectangular sight glasses according to and similar to DIN 7081

Rectangular sight glasses made of borosilicate glass according to and similar to DIN7081 are suitable for temperatures up to 243°C and up to 320°C protected by ACI mica shields. Depending on the geometry and design (transparent or reflective glass), rectangular sight glasses made of borosilicate glass can be used for very high pressures. We will be happy to help you select the right glass for your application. Feel free to contact us for this.

Standard sight glasses according to DIN 7080 can be found in our brochure.

Subject to technical changes and calculation errors.

Technical features


Water resistance according to DIN 12111 (ISO 719) Hydrolysis class 4

Acid resistance according to DIN 12116 Acid class 1

Alkali resistance according to DIN 52322 Alkali class 2


Bending tensile strength up to 150 N/mm² / 21,000 psi

Surface pressure tension ≥ 100-140 N/mm² / 14.500-20.000 psi

Paralellity ≤ 0.20 mm / 0.008 inches

T.W.B. Δ T 265 K

max. operating temperature 300 °C / 572 °F (short-term)

ACI Mica resistant 320 °C / 608 °F


Operating conditions

maximum allowable working pressure

maximum allowable temperature

bar

psi

°C

°F

Transparent sight glasses without ACI mica shield protection for saturated steam or hot water pressure

35

500

243

470

Transparent sight glasses protected with ACI mica shield for saturated steam or hot water pressure

103

1.500

320

608

Reflex sight glasses for saturated steam or hot water pressure

35

500

243

470

Reflex sight glasses for use without steam and without technically significant glass attack

280

4.000

38

100

Transparent sight glasses when using media without technically significant glass attack

345

5.000

38

100

High pressure transparent sight glasses in special fittings

414

6.000

38

100


Dimensional tolerances on request

Glass Consultant rectangular DIN 7081
+49 (0) 2461 91634 00
info@aci24.com