Of the various possible methods shown in the illustration, which is the correct method of attaching a TXV feeler bulb to a small large line (7/8" and larger) with a horizontal run? Illustration GS-RA-50

Illustration GS-RA-50: the U.S. Coast Guard has not released this illustration.

Question

Of the various possible methods shown in the illustration, which is the correct method of attaching a TXV feeler bulb to a small large line (7/8" and larger) with a horizontal run? Illustration GS-RA-50

Illustration GS-RA-50: the U.S. Coast Guard has not released this illustration.

Accepted Answer

Option C: C. On suction lines 7/8 inch and larger, the TXV sensing bulb must be mounted at the four o'clock or eight o'clock position (Illustration C). This ensures maximum thermal contact with the flowing vapor stream, avoiding false readings from oil puddling.