The stuffing box is an essential part of high-pressure plunger pumps, providing a seal around the plungers or pistons to prevent leakage of fluid from the pump chamber.

Products Description

The stuffing box typically consists of a housing or casing that surrounds the plungers or pistons as they enter the pump chamber. Within the stuffing box, packing material such as braided or molded packing rings is compressed around the plungers or pistons to create a tight seal.

Product Parameters

Material: 2205

Mechanical Performance:

σb=621～862MPa

σ0.2≥414MPa

δ5≥25%

ψ≥45 %

HB248～254

feature

Leakage Prevention: The primary function of the stuffing box is to prevent fluid from leaking out of the pump chamber along the plungers or pistons. The packing material is compressed tightly around the plungers or pistons, creating a seal that prevents fluid from escaping.

Friction Reduction: The packing material in the stuffing box also serves to reduce friction between the plungers or pistons and the housing, allowing for smooth and efficient movement of the plungers or pistons as they reciprocate within the pump chamber.

Lubrication: In some cases, the packing material in the stuffing box may be lubricated with a compatible fluid to further reduce friction and wear, prolonging the life of the packing material and ensuring reliable sealing performance.

Heat Dissipation: The stuffing box may also serve to dissipate heat generated by the friction between the plungers or pistons and the packing material, helping to prevent overheating and damage to the pump components.