SUBSTANCE: proposed seal includes additional hold-down member located in stuffing box chamber which acts on packing; this member is made from thermosensitive material changing its volume at thermal action. Additional hold-down member may be made in form of kapron granules, rods, etc. in form of...
Stuffing box seal A highly efficient packing material is provided in the form of a flexible, corrugated expanded graphite ribbon or tape, which material can be used to pack the stuffing box assembly of any pump or valve, or like structure, regardless of t... DL Schnitzler - US 被引量: ...
1. Stuffing Box Structure:Polished rod stuffing box is made up of cross shell, seal gate valves, sealing pin, sealing cap, rubber packing, etc. The bottom could be connected in thread, flange, clamp. The device could reduce the wear of the polished rod, increase oil recove...
Stuffing box seal - has gland producing radial tensions and seal packing with several composite sealing rings laid loose on each otherThe rings (7) are made up of a sheet metal ring (8) and at least one foil (9) of sealing graphite connected with it. The packing can have a metal free...
Stuffing box seal having braided packings and lip 优质文献 相似文献 参考文献 引证文献Special split seal design for hydropower turbine The paper presents the innovative design of a mechanical seal installed on a Kaplan turbine for hydro power in south-west of France. The need for an altern... ...
Stuffing box seal assembly 专利名称：Stuffing box seal assembly 发明人：Harold H. Palmour 申请号：US09347393 申请日：19990706 公开号：US06302401B1 公开日：20011016 专利内容由知识产权出版社提供 专利附图：摘要：In accordance with illustrative embodiments of the present invention, the arrangement of a ...
6. Stuffing box sealing Packing is compressed axially into the stuffing box so that it will expand radially and seal against the bore of the stuffing box, onto the pump shaft. A mechanical seal operates by having two flat faces running against each other. The r... R Mackay - 《Practical...
Strictly, the term “stuffing box” is related to the packed box shaft seal, long the principal device used to seal a pump’s casing where the shaft passes through it. Although the number and variety of devices used for this purpose has increased significantly as processes and the pumps used...
Stuffing box employing a mechanical seal where the static seal body is laterally decoupled from the stuffing box housing. The static seal body is connected to the housing through a ringed-shaped flexible member. The flexible member flexes with shaft movement transverse to the longitudinal axis of ...
SUBSTANCE: seal of consists of inner and outer rings with distributing ring mounted between them. Distributing ring is provided with pipe union for supply of sealing liquid. Packing located between rings is closed with stuffing box connected with casing of hydraulic turbine by means of rope secured...