Double window sight glass | ARI | Ari-Armaturen
Double window sight glass | ARI | Ari-Armaturen

Double window sight glass | ARI

Double window sight glass | ARI – See Your Processes Clearly

The Double window sight glass | ARI is crafted for those who demand reliability and visibility in industrial settings. Designed for installation in pipelines, this high-quality sight glass lets you visually monitor liquids, gases, or vapors as they flow by. This real-time insight ensures you spot changes instantly—keeping your operations running smoothly and safely.

Features & Benefits: Double window sight glass | ARI

  • Dual Window System: Two robust glass panels make it easier and safer to observe fluids from both sides, reducing the risk of missing crucial details.
  • Clear Observation: The tough, transparent windows are designed to stay crystal clear, so you always have an accurate view inside the pipe.
  • Leak-Resistant Design: Engineered to withstand high pressures, the sight glass prevents leaks, guarding your fluids and keeping your workspace safe.
  • Simple Maintenance: Easy to clean and replace, the double window sight glass saves time and reduces downtime, making inspections hassle-free.
  • Durable Construction: Made with industrial-grade materials, the sight glass stands up to chemicals, temperature changes, and heavy-duty use.

With the Double window sight glass | ARI, you gain peace of mind knowing exactly what’s happening inside your pipelines. Its clever dual-window design offers both safety and convenience—perfect for industries where even small changes can matter. The robust build and dependable sealing keep what’s inside your system protected, while the transparent panes offer a clear, true view every time.

Enjoy faster maintenance and fewer interruptions thanks to the easy-access structure. Whether in chemicals, food processing, or water treatment plants, this sight glass offers performance you can trust. Monitoring your process has never been simpler or safer—install the ARI Double window sight glass and see the difference for yourself.

Standard (Options)
  • DIN
Connection (Options)
  • BSP
  • NPT
  • Flanged
  • Butt Weld
Material (Options)
  • EN-JL 1040 (GG25) Cast iron
  • 1.0619+N
  • 1.4408
Pressure Rating (Options)
  • PN 16

Datasheet and documents

Description

Flow Indicator 660 Features:

  • Double Window Sight Glass: Designed to offer visual monitoring of fluid flow through pipes.
  • Materials:
    • Grey Cast Iron (EN-JL1040)
    • Cast Steel (1.0619+N)
    • Stainless Steel (1.4408) for durability and resistance to high temperatures.
  • Connection Types:
    • Flanges (Fig. 660....1) (DIN 2533 or DIN EN 1092-2 for PN16)
    • Screwed sockets (Fig. 660....2) (Rp thread acc. to DIN EN 10226-1 or NPT thread acc. to ANSI B1.20.1)
    • Butt weld ends (Fig. 660....4) (Weld preparation acc. to EN ISO 9692 identification No. 1.3 and 1.5)


Operating Limits:

  • Nominal Pressure (PN16):
    • Up to 16 barg (operating pressure)
    • Inlet temperature up to 120°C (or up to 280°C with higher pressures).
  • Nominal Pressure (PN40):
    • Up to 40 barg (operating pressure)
    • Inlet temperature up to 120°C (or up to 280°C with higher pressures).
  • pH Range: 9-10.


Types of Connection:

  • Flanges: Standard dimensions according to DIN EN 1092-2 for PN16 and PN40.
  • Screwed Sockets: Rp thread or NPT thread for simpler installation.
  • Butt Weld Ends: Suitable for high-temperature applications with the correct welding preparation.


Applications:

  • Flow Monitoring: Essential for visual monitoring of steam flow, especially in systems with steam traps to monitor their function.
  • Installation Position: Can be installed in any position, but it should be installed in front of the steam trap for effective operation.


Welding Information:

  • Proper welding procedures should be followed as per the material specifications and welding groove guidelines (DIN 2559).
  • Welding of butt weld ends should follow arc welding (process 111 according to DIN EN 24063).

Tests and Certificates

DGRL 2014/68/EU (PED Pressure Equipment Directive)
TRB 801 Annex II No. 45
TRD 201 (Welding of components made of steel, manufacturing - inspection)
AD 2000
DIN 3230 T1/T2/T3 (Technical conditions of delivery for valves)
DIN EN 729-3 (Quality requirements of weldings)