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Flow sight glass type 530A nominal size
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A stainless steel pipe fitting with flanged connections and a transparent section for flow visibility.
A stainless steel pipe fitting with flanged ends and a glass inspection window in the center.
A metallic pipe fitting with three openings and flanged connections, designed for fluid transfer.
Video | Flow sight glass Type 530 – ACI Industrial Valves GmbH

Flow sight glass type 530A nominal size

Flow sight glass with flange connections suitable for ASME B 16.5

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Flow sight glass Class 150 | 300 lbs

Certified quality
Technical data
  • 1 ½“
  • 3“
  • 4“
  • 5“
  • 6“
  • 8“
  • 10“
  • 12“
  • 150 lbs
  • 300 lbs
  • 80°C
  • 130°C
  • 150°C
  • 175°C
  • 180°C
  • 200°C
  • 280°C
  • 300°C
  • 320°C
  • Wiper SGW with PTFE or silicone wiper blade
  • LED light for Ex and non-Ex areas
  • FEP or Halar® coating
  • Mica protective disc
  • Double glazing type 530A-D
  • Special constructions
Datasheet

Product information

The flow sight glass type 530A was specifically developed for industrial pressure applications and stands for maximum operational safety and durability even under extreme conditions. The particularly robust welded construction, which is made of corrosion-resistant stainless steel alloys such as 1.4571, guarantees reliable function even under continuous pressure and temperature stress. Upon request, variants with particularly resistant materials such as nickel-based alloys or Hastelloy® are also available, allowing the sight glass to be reliably used in highly aggressive or thermally stressed process environments.

The type 530A features two oppositely arranged sight plates made of high-quality, thermally pre-stressed borosilicate glass. These glasses are designed according to the requirements of DIN 7080 and enable clear, safe process observation from two sides or targeted illumination of the medium. Thanks to the dual-sided visibility, visual control of the process in real-time is possible – an essential safety and efficiency advantage in modern process engineering.

The flange connections comply with DIN EN 1759-1 and ensure compliant, safe integration into existing piping systems. The connection flanges according to DIN EN 1759-1 fit onto counter flanges according to ASME B 16.5. The design, strength calculation, and construction are based on the PED 2014/68/EU and the AD 2000 guidelines. Depending on requirements, the flow sight glass can be manufactured in pressure classes up to Class 300 lbs, making it ideal for pressure applications in the chemical, pharmaceutical, food, or energy industries.

Thanks to its thoughtful design, high-quality material selection, and flexible execution options, the flow sight glass type 530A offers a durable, safe, and individually adaptable solution for the most demanding industrial applications.

Produktbild

Cross-section
drawing

Technical drawing
Dimensions
NPS 1“ 1 1/2“ 2“ 3“ 4“ 5“ 6“ 8“ 10“ 12“
BL² 200 230 310 350 400 480 600 730 850 980
D1² 35 45 55 84 107 132 160 160 160 160
AL² 232 258 336 380 420 464 558 706 821 955

2) All dimensions will be executed according to standard – if constructively possible. Otherwise, the information from the order confirmation and customer drawing applies
Dimensions correspond to Class 150 lbs, other pressure levels may differ
Connection flanges according to DIN EN 1759-1 matching to counter flanges according to ASME B 16.5

Quick overview

max. 50 barg
heat resistant up to 320 °C
for liquid media
for gaseous media
Nominal sizes
1" - 12"
Special designs possible
> 50 sealing materials
Accessories available
Portrait von Wolfgang Tackenberg
Portrait von Wolfgang Tackenberg

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Wolfgang Tackenberg
Technical Sales Manager
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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.