Instrumentation Design

How to Prepare Pressure Gauge Datasheet ?

S Bharadwaj ReddyAugust 20, 2019September 14, 2019

The following are the minimum required documents required for design of pressure gauge datasheet preparation. Pressure Gauge Datasheet Lets start with the document requirements ! 1. P&ID’s 2. Piping material...

What is Static Pressure Limit in DP Transmitter ?

S Bharadwaj ReddyAugust 16, 2019August 28, 2019

In a DP transmitter one of the very important ingredient to check is Static pressure. Well static pressure and Differential pressure in DP transmitter are two DIFFERENT terms So what...

Process Design of Instrument Air System

S Bharadwaj ReddyAugust 13, 2019September 2, 2019

Industrial process facilities consist of a wide variety of pneumatically operated equipment which needs to be provided with a motive force for operation. Towards this, ambient air is one of...

Why Orifice Flow Meter Flange is not Recommended 150# Rating ?

S Bharadwaj ReddyAugust 13, 2019September 11, 2019

This question comes to mind ? As to Restriction Orifice can have 150# but Orifice flange (Flow meter) is not recommended to have 150# rating. Orifice Flange Rating – 150#...

Diaphragm Seal Material Selection

S Bharadwaj ReddyAugust 9, 2019August 9, 2019

In Diaphragm seal material selection corrosion allowance must be considered :- Reasons and Example. Diaphragm Seal Material Selection For Material selection our basis is Pipe material specs . The material...

Magnetic Flow Meter Corrosion Effects

S Bharadwaj ReddyAugust 9, 2019August 28, 2019

Corrosion / Erosion rate of a process fluid is provided in Piping material specifications (PMS) Now mag flow meter has Liner material. Example :- PTFE Magnetic Flow Meter so where...

How to Solve Cable Tray Sagging ?

S Bharadwaj ReddyAugust 8, 2019August 23, 2019

Sagging occurs when the Load increases on Cable Tray. So here’s few possible solutions 1. Increase Support Frequency When we reduce the distance between two consecutive support, this would strengthen...

How O-Ring Failure caused NASA’s shuttle to Blast ?

S Bharadwaj ReddyAugust 5, 2019August 5, 2019

The “Technical” Story :- Below you can see Violet Part which is the Steel wall The Gray part is Fixed Propellant. In simple words these make the shuttle motor (Refer...

Facts on Thermowell Insulation Thickness

S Bharadwaj ReddyAugust 3, 2019

Can Insulation Thickness affect Thermowell U-Length ? Thermowell Tip must be at least 2 mm immersed in Liquid whose temperature is to be measured (As per API 551) In 2-phase service...

Why is Orifice Beta in between 0.3 to 0.7 ?

S Bharadwaj ReddyAugust 2, 2019September 14, 2019

From Where do we get this Numbers and What significance do they have that we must keep the Orifice Beta ratio in orifice calculation in between 0.3 and 0.7 Values....

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Category : Instrumentation Design