FIELD: manufacture of centrifugal pumps. SUBSTANCE: seal includes standstill seal with movable and fixed members, loading unit including spring and shaft mounted for axial displacement; loading unit is mounted in housing. Impeller and movable member of standstill seal are secured on shaft. Closed-type impeller is provided with dynamic seal on main seal. Movable member of standstill seal is located between impeller and loading unit. EFFECT: enhanced operational reliability at handling corrosive active and aggressive liquids. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| STANDSTILL SEAL | 1998 |
|
RU2161281C2 |
| CENTRIFUGAL VORTEX PUMP | 2010 |
|
RU2456479C2 |
| STRUCTURAL-TECHNOLOGICAL MODEL RANGE OF CHEMICAL HORIZONTAL PUMPS, AND PUMPING METHOD OF CHEMICAL LIQUID MEDIA BY PUMPS OF STRUCTURAL-TECHNOLOGICAL MODEL RANGE (VERSIONS) | 2013 |
|
RU2510612C1 |
| CHEMICAL HORIZONTAL ELECTRICALLY DRIVE PUMP UNIT | 2013 |
|
RU2506460C1 |
| HORIZONTAL CHEMICAL PUMP WITH EXPOSED IMPELLER | 2013 |
|
RU2509921C1 |
| SUBMERSIBLE SLURRY PUMP (VERSIONS) | 2011 |
|
RU2472037C1 |
| SUBMERSIBLE SLURRY PUMP | 2011 |
|
RU2472036C1 |
| CHEMICAL HORIZONTAL PUMP WITH ENCLOSED IMPELLER (VERSIONS) | 2013 |
|
RU2505709C1 |
| CHEMICAL HORIZONTAL ELECTRICALLY DRIVE PUMP UNIT (VERSIONS) | 2013 |
|
RU2506461C1 |
| METHOD OF MAKING CHEMICAL ELECTRICALLY DRIVEN PUMP UNIT AND CHEMICAL ELECTRICALLY DRIVEN PUMP UNIT THUS MADE | 2013 |
|
RU2505712C1 |
