Crall Sucker Rod Anodes afford an inexpensive, simple means of corrosion control caused by electrolysis in well fluids.

• Insulated for cathodic protection
• No stain – see thru plexiglass tube
• Resists expansion and contraction of pipe
• Floating “O” ring seal on tube
• Push-pull loads carried by studs and sleeve spacers
• Working pressure 500 psigg – 150º F
For indicating the bottom hole pump action on pumping wells install the coupling between the pump tee and the check valve. A Crall coupling on your well will stop wasted production caused by opening the bleeder valve for indicating flow on lact manifolds.