Product

Sight Flow Indicator

Sight flow indicators allow visual confirmation of media flow in lined chemical piping systems for safer and more efficient operation.

Process ready Leak resistant Chemical duty

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Product Overview

Application and service highlights

Introduction

Sight flow indicators allow operators to visually confirm liquid flow, color, clarity and presence of bubbles in a process line. They are valuable in dosing systems, transfer lines and utility services where direct observation improves process control and troubleshooting.

Key Features

Provides immediate visual confirmation of media movement.
Helps monitor process condition without opening the pipeline.
Suitable for service lines where visibility supports safer operation.

Specifications

Material, dimensions and testing standards

Material

Body: Fabricated carbon steel or cast steel construction based on fitting geometry.
Lining: PTFE / PFA lining for severe corrosive service.
Ends: Flanged ends to integrate with lined piping systems.

Dimensions

Available in standard pipeline sizes for process plant integration.
Face-to-face dimensions maintained for interchangeability.
Reducer, tee and elbow geometry optimized for smooth flow transition.

Testing

Visual and dimensional inspection on every fitting.
Spark testing of all lined wetted surfaces.
Hydro testing performed according to service class requirements.

Technical Drawing

Cross-sectional reference

Dimensional Specifications

Dimensional table

Size		Diameter (D)	Raised Face (R/F)	P.C.D (K)	Flange Thick. (T)	No. of Holes (N)	Hole Dia (B)	Lining Thickness (±0.5mm)	Length ± 5mm (Max L)
NB	Inch
25	1"	33.7	50	79	15	4	15	3	1500
40	1.5"	48.3	65	95	17	4	18	3	1500
50	2"	60.3	80	127	19	4	19	3	1500
80	3"	88.9	100	152	22	4	22	3	1200
100	4"	114.3	125	178	24	8	22	3	1000