Product

Lined Instrument Tee

Lined instrument tees provide secure take-off points for measurement, sampling and process instrumentation in corrosive duty lines.

Process ready Leak resistant Chemical duty

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Product Overview

Application and service highlights

Introduction

Lined instrument tees are developed for gauge, transmitter and sampling point connections on corrosive pipelines. They provide a protected tapping location that allows monitoring and controlled access to the process stream without compromising the corrosion resistance of the main line.

Key Features

Provides a protected branch point for instruments and sampling.
Supports safer process monitoring in corrosive services.
Can be integrated into lined piping without additional adaptation pieces.

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