Sanjack : Your Premier Choice Of Polished Rod Stuffing Box
The fine tuning long-term polished rod stuffing box of Sanjack is our company’s new type patent product. The product is easy to install and convenient to maintain with simple structure, and it is a polished rod stuffing box which doesn’t need to change the sealing parts frequently through several micro adjustment,to guarantee the sealing effect.
Sanjack : Your Best China Polished Rod Stuffing Box Manufacturer and Supplier
The chosen sealing part is cone sealing element which is made of special formula. Sanjack the fine tuning long-term polished rod stuffing box is made of three level seals. Sealing part Ι was design for helping change sealing part ΙΙ of failure that due to abrasion.
Sanjack : Your Best Place To custom Polished Rod Stuffing Box In China
While Sanjack polished rod stuffing box normal running, the bolts on both side are in highest position,and sealing part Ι is in free state. It takes effect while changing sealing part ΙΙ. Sealing part ΙΙ take seal effect is effective in sealing throughout the polished rod’s moving movement,it can be adjusted by fine tuning structure, and compensate the element abrasion continuously, to keep good seal.
Sealing part ΙΙΙ is to prevent the grease spill from the stuffing box,it prevent sand from dropping into the seal and hurting the polished rod and the sealing parts, it doesn’t bear pressure.
Sanjack : The Advantages With Us You Should Know
Automatic axial self-aligning,
Radial offset, simple maintenance,
Longer service life, antitheft and increasing production.
The unique superiority will be highlighted if Sanjack oilfield stuffing box is applied in thickened oil well, polymer injection well, high water cut well and with deep pumping.








