FIELD: mechanical engineering.
SUBSTANCE: invention refers to packing technique and may be used for sealing rods and shafts working in contact with high-pressure liquids. Gland assembly contains box where following components are located packing, press-on bush, press-on chamber separated from discharge chamber by check valve. Press-on chamber is equipped with draw-off and connected with discharge chamber via hole in the press-on bushing. Check valve is made as elastic ring. Press-on chamber may be connected with discharge chamber via hole in the box.
EFFECT: improvement of sealing reliability.
5 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SELF-PACKING STUFFING BOX | 2008 |
|
RU2362077C1 |
| STUFFING BOX UNIT | 2004 |
|
RU2277660C1 |
| GLAND SEAL | 0 |
|
SU1372135A1 |
| GLAND ASSEMBLY | 2013 |
|
RU2513069C1 |
| NEEDLE VALVE FOR PRESSURE GAGE | 2012 |
|
RU2495230C1 |
| MULTISTEP SEAL WITH HYDRAULIC LOCK | 0 |
|
SU886558A1 |
| WELLHEAD BLOWOUT PREVENTION STUFFING BOX WITH HIGH WATER CUT OF WELLS | 2021 |
|
RU2775401C1 |
| STRAIGHT PATTERN CONTROLLED THROTTLE AND THROTTLING UNIT | 2011 |
|
RU2468408C1 |
| GATE VALVE | 2006 |
|
RU2307967C1 |
| STUFFING BOX SEAL FOR REVOLVING SHAFT OF HYDRAULIC TURBINE | 1995 |
|
RU2098704C1 |
