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Vacuum sight glass type 550V PN 16 - DIN 11869 (old DIN 3237)
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A stainless steel industrial valve with flanged ends and bolts, featuring a transparent window for visibility inside.
Stainless steel pipe fitting with flanges and threaded connections.
Metal flange pipe fitting with a circular opening and bolt holes for secure attachment.
Video | Flow sight glass type 550V – ACI Industriearmaturen GmbH

Vacuum sight glass type 550V PN 16 - DIN 11869 (old DIN 3237)

With flange connections according to DIN 1092-1

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Available from stock

Vacuum flow sight glass PN 10 | PN 16

Non binding • Usually a response within 24 hours

Certified quality
Technical data
  • LED light for Ex and non-Ex areas
  • Oil and grease-free design
  • Silicone-free design including crater test

DN 15 – 50 Rectangular flanges
DN 65 – 200 Round flanges

Datasheet Info brochure To the Pressure-temperature rating

Flow sight glass type 550V – ACI Industriearmaturen GmbH

Video | Flow sight glass type 550V – ACI Industriearmaturen GmbH

Product information

In the vacuum variant, a high-quality gasket made of novaflon® 500 is used. This material consists of 100% pure, multidirectionally expanded PTFE (Polytetrafluoroethylene) and is characterized by excellent chemical resistance, mechanical stability, and outstanding sealing properties.

The sealing system is designed for a temperature range of -60 °C to +200 °C and meets the requirements according to TA-Luft (Technical instructions on clean air).

The suitability for vacuum applications up to 2 mbar absolute has been demonstrated by an independent, external testing laboratory. This ensures that the sealing solution provides the highest level of safety and reliability even under extreme operating conditions.

Flange connections:
Standard, the sight glass is supplied with flanges according to DIN EN 1092-1 PN 10/16.

Type 550V is manufactured in accordance with DIN 11869 (formerly DIN 3237). If desired, designs in other materials and alloys are also available, e.g., 1.0619 (cast steel) or Alloy C22, according to your specification.

Additional equipment (factory-integrable):

  • LED lights, available with ATEX approval for explosion-prone areas upon request.
A stainless steel industrial valve with flanged ends and bolts, featuring a transparent window for visibility inside.

Cross-section
drawing

A simple black outline of a cat sitting with its tail curved.
Dimensions

DN 15 20 25 32 40 50 65 80 100 125² 150² 200²

D (PN16)

95 105 115 140 150 165 185 200 220 250 285 340
BL 130 150 160 180 200 230 290 310 350 400 480 600
D1 32 32 48 48 65 80 80 100 125 150 175 175

2) According DIN 11869

Quick overview

-0.998 to 16 barg
-60°C to 200°C
for liquid media
for gaseous media
Nominal diameters
DN 15 - 200
Accessories available
TÜV pre-tested
Portrait von Dirk Göttgens
Portrait von Dirk Göttgens

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Search... Your entries are invalid! Please contact us! Possible working pressure: Required thickness: Maximum temperature: This is a standard sight glass that we would be happy to manufacture for you. This is a sight glass according to DIN This is a sight glass according to DIN , which we would be happy to manufacture for you.