Bottom Connection: Box or Pin, API Tubing or Line Pipe thread.

Material: AISI1045/4130 casting steel or ductile iron

Split Cone Packing (rod sizes): 1", 1.1/8", 1.1/4", 1.1/2" and 1.3/4".

Stuffing box to be installed at Pumping Well Head and seal off the Polished Rod with cone packing and free floating lubricated upper section to assure self alignment and packing burn out, designed to seal off leakage by fluid pressure.

Technical features:

1. Perfect deflection adjustment and anti-eccentric wear

(1)Self centering in axial direction

(2)Deflection in radical direction

2. Easily maintained and long life of gland

3. Combined gland is much more reliable

4. Built 8 packing rings in upper gland and 4 packing rings in lower

5. Auto-correction

6. Built with BOP component