List of products by brand Noris Armaturen

Noris Armaturen – Technical profile of a sight flow indicator, tank sight glass and strainer manufacturer

Noris Armaturen is a German manufacturer of visual flow indication and pipeline protection equipment. Its range includes sight flow indicators, tank sight glass fittings, Y strainers, basket strainers, accessories, glass discs, gaskets and lighting units.

The products represented through Philippopoulos S.A. are mainly:

  • double-window sight flow indicators,
  • single-window flow indicators,
  • flow indicators with flap, spinner or ball,
  • high-pressure sight glasses,
  • DIN and ANSI flanged versions,
  • threaded and welded versions,
  • tank sight glasses,
  • Y strainers.

Sight flow indicators are used for local visual confirmation of flow, filling, colour, bubbles, foaming or suspended solids. They are not flowmeters and do not replace calibrated measurement instruments. Their role is direct field observation by operators or maintenance personnel.

Double-window indicators allow observation through the process line. Versions with flap, spinner or ball are useful when the medium is transparent and flow movement is not obvious. High-pressure versions must be selected according to pressure, temperature, glass type and sealing arrangement.

Tank sight glasses are installed on vessels and tanks for local visual inspection. In pressure vessels, they must be treated as part of the pressure boundary. Material, gasket, glass, pressure, temperature and maintenance method must be verified.

Y strainers are used to protect pumps, control valves, meters and downstream equipment from solids, welding debris, rust or commissioning particles. Selection requires mesh size, pressure drop, access for cleaning, drain arrangement and body material.

Noris products are relevant for process engineers, maintenance departments, steam specialists and plant operators requiring simple, mechanical visual indication and protection of industrial piping systems.

Sight Flow Indicators - 880 | Noris Armaturen - Noris Armaturen

Sight Flow Indicators - 880 | Noris Armaturen

Sight Flow Indicators - 880 | Noris Armaturen
Noris Armaturen
NORIS Type 880 – Double-Sided Flow Indicator DIN 3237 The NORIS 880 is a straight-through double-sided flow indicator with flanged connections according to DIN standards, available in pressure classes PN16, PN25, or PN40. It is used for local visual monitoring of liquids and gases in horizontal or vertical pipelines. Operating Conditions Construction...
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Sight Flow Indicators - 880-K | Noris Armaturen - Noris Armaturen

Sight Flow Indicators - 880-K | Noris Armaturen

Sight Flow Indicators - 880-K | Noris Armaturen
Noris Armaturen
NORIS Model 880-K – DIN Flow Indicator with Flap The NORIS 880-K is a straight-through, dual-sided flow indicator featuring an internal flap for visual flow verification. It is installed in liquid and gas lines for local visual flow monitoring without flow measurement or electrical signal. The flanged connection complies with DIN standards, available in...
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Sight Flow Indicators - 880-RK/RP | Noris Armaturen - Noris Armaturen

Sight Flow Indicators - 880-RK/RP | Noris Armaturen

Sight Flow Indicators - 880-RK/RP | Noris Armaturen
Noris Armaturen
NORIS Model 880-RK/RP – DIN Flow Indicator with Spinner The NORIS 880-RK/RP is a dual-sided inline flow indicator featuring an internal spinner for visual monitoring of liquids and gases in horizontal or vertical pipelines. The connection is flanged according to DIN standards, available in pressure classes PN16, PN25, or PN40. Operating Conditions...
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Sight Flow Indicators - 885 | Noris Armaturen - Noris Armaturen

Sight Flow Indicators - 885 | Noris Armaturen

Sight Flow Indicators - 885 | Noris Armaturen
Noris Armaturen
NORIS Type 885 – Dual-Sided Safety Flow Indicator The NORIS 885 is a dual-sided flow indicator conforming to DIN 3236, featuring flanged connections DIN PN16 or PN25. It is utilized for visual monitoring of liquids and gases in horizontal or vertical pipelines, with mandatory flow direction verification during installation. Operating Conditions...
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Sight Flow Indicators - 887 | Noris Armaturen - Noris Armaturen

Sight Flow Indicators - 887 | Noris Armaturen

Sight Flow Indicators - 887 | Noris Armaturen
Noris Armaturen
NORIS Type 887 – Flow Indicator with METAGLAS® The NORIS 887 is a straight-through, dual-sided flow indicator with flanged connections according to DIN PN16 or PN40. It is used for visual monitoring of liquids and gases in horizontal or vertical pipelines, ensuring flow direction is maintained during installation. Operating Conditions Connection: DIN...
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Sight Flow Indicators - 912 | Noris Armaturen - Noris Armaturen

Sight Flow Indicators - 912 | Noris Armaturen

Sight Flow Indicators - 912 | Noris Armaturen
Noris Armaturen
NORIS Type 912 – High-Pressure Flow Indicator The NORIS 912 is a dual-sided flow indicator designed for visual inspection of liquids and gases in horizontal or vertical pipelines. This series is tailored for high-pressure applications, with final dimensions dependent on nominal diameter and operating pressure. Operating Conditions Operating Pressure: up...
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Sight Flow Indicators - 050 | Noris Armaturen - Noris Armaturen

Sight Flow Indicators - 050 | Noris Armaturen

Sight Flow Indicators - 050 | Noris Armaturen
Noris Armaturen
NORIS Bauform 50 – Single-Sided Flow Indicator with Ball The NORIS 050 is a ball-controller type flow indicator designed for local monitoring of low flow rates in liquids and gases. The white PTFE indicator ball starts moving at approximately 3 L/h, providing visual confirmation of flow or potential low-flow leakage. Operating Conditions Nominal...
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Sight Flow Indicators - 108 | Noris Armaturen - Noris Armaturen

Sight Flow Indicators - 108 | Noris Armaturen

Sight Flow Indicators - 108 | Noris Armaturen
Noris Armaturen
NORIS Type 108 – Dual-Sided Flow Indicator PN16 The NORIS 108 is a straight dual-sided flow indicator with DIN PN16 flanges. It is used for visual inspection of flow presence, pipeline filling, and fluid condition in industrial networks, without electrical power or automation signals. Technical Specifications Connection: DIN PN16 / DIN 2633 flanges...
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Sight Flow Indicators - 108-B | Noris Armaturen - Noris Armaturen

Sight Flow Indicators - 108-B | Noris Armaturen

Sight Flow Indicators - 108-B | Noris Armaturen
Noris Armaturen
NORIS Type 108-B – Dual-Sided Flow Indicator with Loose Flanges The NORIS 108-B is a straight-through dual-sided flow indicator designed for visual inspection of fluid filling and movement within pipelines. The "B" construction features loose connection flanges DIN 2642, PN10, distinguishing it from fixed-flange versions. Technical Specifications...
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Sight Flow Indicators - 111 | Noris Armaturen - Noris Armaturen

Sight Flow Indicators - 111 | Noris Armaturen

Sight Flow Indicators - 111 | Noris Armaturen
Noris Armaturen
NORIS Bauform 111 – Dual-Sided Flow Indicator Without Liquid Retention The NORIS 111 is a straight dual-sided flow indicator with flanged connection DIN PN16. Its body geometry is designed for horizontal installation, minimizing residual liquid retention, beneficial for lines that are drained, cleaned, or switch products. Technical Specifications...
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Sight Flow Indicators - 112 | Noris Armaturen - Noris Armaturen

Sight Flow Indicators - 112 | Noris Armaturen

Sight Flow Indicators - 112 | Noris Armaturen
Noris Armaturen
NORIS Type 112 – Double-Sided Flow Indicator PN16 The NORIS 112 is a straight-through, double-sided flow indicator with DIN flanges, designed for visual monitoring of filling and flow in industrial pipelines. In horizontal installations, its body geometry minimizes residual liquid retention, beneficial for discharge, cleaning, or product change lines....
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Strainers - 140 | Noris Armaturen - Noris Armaturen

Strainers - 140 | Noris Armaturen

Strainers - 140 | Noris Armaturen
Noris Armaturen
Y-Type Strainers NORIS Bauform 140 NORIS Type 140 are flanged Y-strainers designed for installation upstream of measurement instruments, control valves, pumps, and process equipment sensitive to particulate contamination. Their primary function is to retain solid particles before they reach valve seats, pump impellers, or narrow instrument passages....
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Strainers - 140-A 150LBS | Noris Armaturen - Noris Armaturen

Strainers - 140-A 150LBS | Noris Armaturen

Strainers - 140-A 150LBS | Noris Armaturen
Noris Armaturen
Y-Type Strainer NORIS Bauform 140-A, ANSI 150 lbs The NORIS 140-A is a flanged Y-type strainer designed for installation upstream of instrumentation, control valves, pumps, and equipment with restricted flow passages. Its primary function is to retain solid particles from the process line, thereby reducing wear on seats, impellers, and regulating...
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Strainers - 140-A 300LBS | Noris Armaturen - Noris Armaturen

Strainers - 140-A 300LBS | Noris Armaturen

Strainers - 140-A 300LBS | Noris Armaturen
Noris Armaturen
Y-Type Strainer NORIS Bauform 140-A, ANSI 300 lbs The NORIS 140-A 300 lbs is a flanged Y-type strainer designed for pipelines requiring solid particle retention upstream of instrumentation, control valves, pumps, and sensitive downstream equipment. Selection is based on piping classes with ANSI 300 lbs flanges, providing higher operating pressure than the...
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Strainers - 141 | Noris Armaturen - Noris Armaturen

Strainers - 141 | Noris Armaturen

Strainers - 141 | Noris Armaturen
Noris Armaturen
Y-Type Strainer NORIS Bauform 141 The NORIS Bauform 141 is a Y-pattern strainer with threaded pipe connections, designed for installation upstream of instrumentation, control valves, pumps, and equipment with restricted flow paths. It is used to retain solid particles in compatible industrial liquids or gases where flanged connections are not required....
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Strainers - 150 | Noris Armaturen - Noris Armaturen

Strainers - 150 | Noris Armaturen

Strainers - 150 | Noris Armaturen
Noris Armaturen
Basket Strainer NORIS Bauform 150 The NORIS Bauform 150 is a flanged basket strainer designed for mechanical debris retention in industrial pipelines. It is typically installed upstream of sensitive equipment such as oval-wheel flowmeters, pumps, turbines, and process instrumentation. The basket screen offers a large open area, which minimizes initial...
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Strainers - 155 | Noris Armaturen - Noris Armaturen

Strainers - 155 | Noris Armaturen

Strainers - 155 | Noris Armaturen
Noris Armaturen
NORIS Basket Strainer Bauform 155 The NORIS Bauform 155 is a welded basket strainer with a flat mesh screen, designed for installation upstream of instrumentation, control valves, pumps, and sensitive process assemblies. It is specified where retention of solid particles is required and a larger mesh area is needed compared to small inline strainers....
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Strainers - 146 | Noris Armaturen - Noris Armaturen

Strainers - 146 | Noris Armaturen

Strainers - 146 | Noris Armaturen
Noris Armaturen
NORIS Disc Filter Bauform 146 The NORIS Bauform 146 is a disc-type solid retention filter, classified as a slice screen strainer, designed for installation between flanges. It is primarily used as a commissioning filter following construction, welding, or pipeline cleaning activities, and is positioned upstream of flowmeters, control valves, pumps, and...
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Strainers - 148 | Noris Armaturen - Noris Armaturen

Strainers - 148 | Noris Armaturen

Strainers - 148 | Noris Armaturen
Noris Armaturen
NORIS Bauform 148 Start-Up Strainer The NORIS Bauform 148 is a cap-type (hat) start-up strainer designed for installation between flanges. It is primarily used during commissioning or after piping works to retain burrs, rust, welding residues, and particulates upstream of instrumentation, control valves, pumps, and sensitive assemblies. Technical...
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Sight Flow Indicators - 880-A | Noris Armaturen - Noris Armaturen

Sight Flow Indicators - 880-A | Noris Armaturen

Sight Flow Indicators - 880-A | Noris Armaturen
Noris Armaturen
NORIS Model 880-A – Dual-Sided Flow Indicator ANSI The NORIS 880-A is a straight dual-sided flow indicator with ANSI 150 or 300 lbs flanges. It is used for local visual inspection of liquids and gases in horizontal or vertical pipelines, maintaining flow direction. It is not a flow meter and does not provide an electrical control signal. Operating...
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Sight Flow Indicators - 880-A-K | Noris Armaturen - Noris Armaturen

Sight Flow Indicators - 880-A-K | Noris Armaturen

Sight Flow Indicators - 880-A-K | Noris Armaturen
Noris Armaturen
NORIS Model 880-A-K – ANSI Flow Indicator with Flap The NORIS 880-A-K is a straight-through, double-sided flow indicator with ANSI 150 or 300 lbs flanges and an internal indication flap. It is used for visual monitoring of liquids and gases in horizontal or vertical pipelines when simple observation of the fluid does not provide sufficient visual...
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Sight Flow Indicators - 880-A-RK/RP | Noris Armaturen - Noris Armaturen

Sight Flow Indicators - 880-A-RK/RP | Noris Armaturen

Sight Flow Indicators - 880-A-RK/RP | Noris Armaturen
Noris Armaturen
NORIS Model 880-A-RK/RP – ANSI Flow Indicator with Spinner The NORIS 880-A-RK/RP is a straight-through, dual-sided flow indicator featuring an internal spinner for visual monitoring of liquids and gases in horizontal or vertical pipelines. The flanged connection complies with ANSI 150 or 300 lbs, and flow direction must be observed during installation....
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Sight Flow Indicators - 112-A | Noris Armaturen - Noris Armaturen

Sight Flow Indicators - 112-A | Noris Armaturen

Sight Flow Indicators - 112-A | Noris Armaturen
Noris Armaturen
NORIS Type 112-A – Dual-Sided Flow Indicator ANSI The NORIS 112-A is a straight-through dual-sided flow indicator with flanged connections according to ANSI 150 / 300 lbs. It is used for visual inspection of filling, flow presence, and fluid condition in process pipelines. In horizontal installations, the body geometry minimizes...
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Sight Flow Indicators - 912-A | Noris Armaturen - Noris Armaturen

Sight Flow Indicators - 912-A | Noris Armaturen

Sight Flow Indicators - 912-A | Noris Armaturen
Noris Armaturen
NORIS Model 912-A – High-Pressure Flow Indicator with ANSI Flanges The NORIS 912-A is a dual-sided flow indicator designed for visual inspection of liquids and gases in high-pressure lines. The 912-A version is applicable for flanged connections using ANSI standards, up to 1500 lbs, when piping specifications are not based on DIN PN. Operating Conditions...
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