The sucker rod centralizers are used to protect sucker rod to reduce wearing.
2.1. Plastic: UHMWPE (Ultra High Molecular Weight Polyethylene)
2.2. Rubber: Nitrile
2.3. Nylon: Nylon 6/6
2.4.. 42CrMo
3.1. Pure plastic
3.2. Steel frame, rubber inside and outside
3.3. Nylon6/6 roller and alloy steel body
4.Application
1. Centralizing the sucker rods in the tubing string.
2. Reduce the friction between the rod and the pipe.
3. Raises the overall pumping efficiency.
4. Available in both snap-on and twist-on and roller rod guide versions.
Twist-On rod guides contain no metal clip insert. Tests, however, indicate an excellent holding strength due to design and materials. The Twist-On style rod guide can easily be installed with a pipe wrench, and withstands temperatures up to 200F.
Size | OD of Guide | Tubing Size |
3/4 x 2 | 1-3/4” | 2-3/8” |
5/8 x 2 | ||
7/8 x 2 | ||
3/4 x 2-1/2 | 2-1/8” | 2-7/8” |