Stop Collar

Stop collar (Stop ring) is used to fix the centralizer on the casing and prevent centralizers moving up and down.

The following stop collars (stop rings) are available:

Slip on stop collar with set screws (set screw stop ring) is made of a single piece collar with one or two rows of set screws to induce the gripping force. It is designed for use where higher holding forces are required. It has reliable holding force, and it is more robust than the latch-on type.

Hinged stop collar with bolt

Hinged (latch type) stop collar with bolt is used in most type of well designs. It can be used with most hinged bow centralizers. It allows quick and easy installation over casing.

Hinged stop collar with spiral nails

Hinged stop collar with spiral nails (pins) uses two spiral-locking pins that are driven to lock the collar into position around the casing. It can be latched onto the casing pipe without having to be slipped on at the end of the casing. This ensures rapid and easy installation.

The sizes from 4 1/2 to 20 inches are available.

When ordering, please specify:

Casing size

Type of the stop collar

Send Email Email : sales@bowcentralizers.com

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