What Are Drain Rods?

The sucker rod is an elongated rod member of a pumping well. It is connected with a light rod and a sucker pump at the bottom to transmit power.

Sucker rod

Right!

Sucker rod is

Composition:

Common sucker rods: C, D, K, KD sucker rods

High-strength sucker rod: H-class, divided into HY, HL, KHL

Special Sucker Rod: Hollow Sucker Rod: Steel Rod

Continuous sucker rod: steel rod

Sucker rods for screw pumps: tapered screw rods, plug-in sucker rods

FRP Sucker Rod: Fiber Reinforced Plastic Sucker Rod

Flexible Sucker Rod: Carbon Fiber Composite Sucker Rod, Wire Rope Sucker Rod

Other types of sucker rods: electric heating sucker rods

From right to left:

Sucker rod length, mm
Grade and type: C, D, K, KD, HL, HY, KHL
Nominal diameter of rod, mm
Steel Sucker Rod Code, CYG