Home » Three-valve Manifold on Remote Seal DP Transmitter
Practical Questions

Three-valve Manifold on Remote Seal DP Transmitter

Explain why no one in their right mind would ever, ever, install a three-valve manifold on a DP transmitter with remote seals:

Remote Seal DP Transmitter

Three-valve Manifold on Remote Seal DP Transmitter

Answer:

If the equalizing valve is ever opened, it could shuttle fill fluid from one remote seal to the other, imbalancing the system.

This would make the transmitter read less differential pressure than there actually was applied between the remote seals.

The problem would be difficult to correct without dismantling the system entirely and re-packing the seals and capillary tubes with fill fluid.

Share your answers with us through below comments section.

Read Next:

Credits: Tony R. Kuphaldt

Share With Your Friends

Related Articles

Identify the Purpose of Flow Ratio Controller

S Bharadwaj Reddy

Pressure Level Transmitter Problems

S Bharadwaj Reddy

Programmable Logic Controller (PLC) Questions and Answers – 4

S Bharadwaj Reddy

Questions on Pneumatic Transmitter and Repeater

S Bharadwaj Reddy

Programmable Logic Controller (PLC) Questions and Answers – 7

S Bharadwaj Reddy

Practical Process Control System Questions & Answers – 5

S Bharadwaj Reddy

1 comment

Srinivasan Thankasali December 27, 2020 at 10:29 am

Never ever seen a remote seal type transmitter with manifold…I dont think even the concept of it

Reply

Leave a Comment

This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Accept Read More

Three-valve Manifold on Remote Seal DP Transmitter

WordPress Image Lightbox
Send this to a friend