A metallic flange with a central opening and four bolted fasteners, designed for connecting pipes or equipment.

Industrial stainless steel flange with smooth surface and bolt holes for screwing

A round metal flange with four bolts, featuring a central hole and ribbed surface.

Round Sight glass fitting Type 392 PN 16/160

with External thread / male thread for screwing in

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Delivery time on request

Tank sight glass PN 16 | PN 40 | PN 63 | PN 100 | PN 160

Configure sight glass

Non binding • Usually a response within 24 hours

Certified quality

Technical data

Product information

The screwed sight glass Type 392 is equipped with an external thread on the connection side.

Our tank sight glasses Type 392 are made of high-quality stainless steel 1.4571 (316Ti), which our customers have appreciated for years. The glass material used is the industry-proven borosilicate glass according to DIN 7080 (or according to customer requirements).

The sealing of the fitting is done with flat gaskets adapted to your needs from a comprehensive range of materials. This offers not only the common fiber material seals but also more sophisticated materials such as PTFE (Teflon®), NBR, novaphit® MST-XP, KlingerSil® C4400 and many other branded seals.

If the maximum operating temperature of borosilicate glass DIN 7080 does not meet your requirements or the process conditions themselves pose a problem for the highly resistant borosilicate glass, a mica protective screen specifically adapted for the fitting provides additional protection against temperature and steam. FEP or Halar® coatings additionally protect the borosilicate glass from aggressive chemicals or caustics.

As with other sight glass fittings, Type 392 can be equipped upon request with a sight glass wiper Type SGW.

Screws
Cover flange
Glass cushion
Sight glass
Gasket
Base flange with threaded connection

Diagram showing components of a flange assembly, including bolts, a flange, gaskets, and a backing plate.

Cross-section
drawing

Dimensions

PN	G	Da [mm]	Di [mm]	L [mm]
16	½“	70	15	20
	1“	95	25	20
	1½“	110	40	20
	2“	110	40	20
40	½“	70	15	20
	1“	95	25	20
	1½“	110	40	20
	2“	110	40	20
63	½“	70	15	20
	1“	95	25	20
	1½“	110	40	20
	2“	110	40	20
100	½“	70	15	15
	1“	100	25	18
	1½“	115	37,5	20
	2“	115	40	20
160	½“	70	15	15
	1“	100	25	18
	1½“	115	37,5	20
	2“	115	40	20
Other sizes and pressure ratings on request
Assembly using hook wrench as for DIN 11851

Quick overview

max. 160 barg

heat-resistant up to 280 °C

for liquid media

for gaseous media

Nominal sizes
½" - 2"

Custom designs possible

Accessories available

Would you like personal advice?

Benefit from our expert knowledge in process monitoring. Our experienced team will provide you with sound advice when selecting the ideal sight glass fittings for your specific requirements. Schedule your personal consultation now!

Dirk Göttgens

Executive management

0049 (0) 2461 91634 00

dg@aci24.com

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