000			02544pam a2200241 a 4500
999			_c2422 _d2422
001			3069917
005			20200608122950.0
008			970314s1997 txua 001 0 eng
020			_a0884158012 (alk. paper)
020			_a9780884158011 (hbk)
040			_cDLC
082	0	0	_a621.67 _221 _bN3971
100	1		_aNeumaier, Robert.
245	1	0	_aHermetic pumps : _bthe latest innovations and industrial applications of sealless pumps / _c/ Robert Neumaier.
260			_aHouston, Tex. : _bGulf Pub. Co., _c1997
300			_axv, 593 p. _bill. ; _c26 cm.
500			_aIncludes index.
650		0	_aCentrifugal pumps.
650		0	_aRotary pumps.
650		0	_aSealing (Technology)
942			_cBK
505	0		_aForeword ; 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.