Hermetic pumps :
Neumaier, Robert.
Hermetic pumps : the latest innovations and industrial applications of sealless pumps / / Robert Neumaier. - Houston, Tex. : Gulf Pub. Co., 1997 - xv, 593 p. ill. ; 26 cm.
Includes index.
Foreword ;
1 Introduction 1 ;
2 Centrifugal pumps 5 ;
2.1 Euler's Equation (from the velocities) 6 ;
2.2 Euler's equation (according to the moment of momentum principles) 10 ;
2.3 The H (Q) curve 12 ;
2.4 System-head curve 17 ;
2.5 Control of centrifugal pumps 25 ;
2.6 Matching the service data at impellers 36 ;
2.7 Influence of viscosity on the characteristic curves 39 ;
2.8 Efficiency and specific speed 41 ;
2.9 Suction capacity ;
Net positive suction head (NPSHA) and cavitation 46 ;
2.10 Examples from conventional pump construction 93 ;
3 Hermetic centrifugal pumps, machines of the new generation 99 ;
3.1 Hermetic torque transfer by the canned motor pump/permanent magnet central coupling 99 ;
3.2 The three phase canned motor 102 ;
3.3 Operating range of canned motor centrifugal pumps 160 ;
3.4 Noise emissions from canned motor pumps 164 ;
3.5 Examples of hermetic centrifugal pumps with a canned motor drive 167 ;
3.6 The permanent-type magnet coupling 310 ;
3.7 Operating principle and examples of construction of permanent magnet coupling pumps 330 ;
3.8 Canned motor or magnetic coupling 374 ;
3.9 Hermetic stirrers and isolating devices 381 ;
4 Rotary displacement pumps 391 ;
4.1 Introduction 391 ;
4.2 Rotary piston pumps 391 ;
4.3 Gear pumps 471 ;
4.4 Sliding-vane screw pumps 482 ;
4.5 Screw pumps 497 ;
4.6 Progressive cavity pumps (single-screw pumps) 511 ;
4.7 Sliding-vane pump 521 ;
4.8 Liquid ring vacuum pumps/compressors 532 ;
5 Hermetic rotary displacement pumps 549 ;
5.1 The permanent magnet coupling for leak-free power transmission 549 ;
5.2 Examples of designs of leak-free rotary displacement pumps 552 ;
6 Noise emissions from rotary displacement pumps 578 ;
7 Concluding remarks on the subject of hermetic rotary displacement pumps 581 ;
8 Index 583.
0884158012 (alk. paper) 9780884158011 (hbk)
Centrifugal pumps.
Rotary pumps.
Sealing (Technology)
621.67 / N3971
Hermetic pumps : the latest innovations and industrial applications of sealless pumps / / Robert Neumaier. - Houston, Tex. : Gulf Pub. Co., 1997 - xv, 593 p. ill. ; 26 cm.
Includes index.
Foreword ;
1 Introduction 1 ;
2 Centrifugal pumps 5 ;
2.1 Euler's Equation (from the velocities) 6 ;
2.2 Euler's equation (according to the moment of momentum principles) 10 ;
2.3 The H (Q) curve 12 ;
2.4 System-head curve 17 ;
2.5 Control of centrifugal pumps 25 ;
2.6 Matching the service data at impellers 36 ;
2.7 Influence of viscosity on the characteristic curves 39 ;
2.8 Efficiency and specific speed 41 ;
2.9 Suction capacity ;
Net positive suction head (NPSHA) and cavitation 46 ;
2.10 Examples from conventional pump construction 93 ;
3 Hermetic centrifugal pumps, machines of the new generation 99 ;
3.1 Hermetic torque transfer by the canned motor pump/permanent magnet central coupling 99 ;
3.2 The three phase canned motor 102 ;
3.3 Operating range of canned motor centrifugal pumps 160 ;
3.4 Noise emissions from canned motor pumps 164 ;
3.5 Examples of hermetic centrifugal pumps with a canned motor drive 167 ;
3.6 The permanent-type magnet coupling 310 ;
3.7 Operating principle and examples of construction of permanent magnet coupling pumps 330 ;
3.8 Canned motor or magnetic coupling 374 ;
3.9 Hermetic stirrers and isolating devices 381 ;
4 Rotary displacement pumps 391 ;
4.1 Introduction 391 ;
4.2 Rotary piston pumps 391 ;
4.3 Gear pumps 471 ;
4.4 Sliding-vane screw pumps 482 ;
4.5 Screw pumps 497 ;
4.6 Progressive cavity pumps (single-screw pumps) 511 ;
4.7 Sliding-vane pump 521 ;
4.8 Liquid ring vacuum pumps/compressors 532 ;
5 Hermetic rotary displacement pumps 549 ;
5.1 The permanent magnet coupling for leak-free power transmission 549 ;
5.2 Examples of designs of leak-free rotary displacement pumps 552 ;
6 Noise emissions from rotary displacement pumps 578 ;
7 Concluding remarks on the subject of hermetic rotary displacement pumps 581 ;
8 Index 583.
0884158012 (alk. paper) 9780884158011 (hbk)
Centrifugal pumps.
Rotary pumps.
Sealing (Technology)
621.67 / N3971
