Boiler Feed Booster Pump YNK. Type Series Booklet

Transcription

1 YNK Type Series Booklet

2 Legal information/copyright Type Series Booklet YNK All rights reserved. The contents provided herein must neither be distributed, copied, reproduced, edited or processed for any other purpose, nor otherwise transmitted, published or made available to a third party without the manufacturer's express written consent. Subject to technical modification without prior notice. KSB Aktiengesellschaft, Frankenthal

3 Contents Contents Energy YNK... 4 Main applications... 4 Fluids handled... 4 Operating data... 4 Designation... 4 Design details... 5 Materials... 6 Dimensions... 7 General assembly drawings with list of components YNK 300/670, YNK 400/ YNK 200/430, YNK 300/520, YNK 300/600, YNK 300/680, YNK 350/500, YNK 400/770, YNK 500/

4 Energy YNK Designation Example: YNK 500/800 Designation key Code Description YNK Type series group 500 Nominal discharge nozzle diameter [mm] 800 Maximum outside diameter of the impeller (nominal ) [mm] Main applications Feed water transport in power stations Condensate transport in power stations Boiler feed booster pump in systems with low suction head Fluids handled Feed water Condensate Hot water Operating data Operating properties Characteristic Value Flow rate Q [m 3 /h] ) Q [l/s] ) Head 2) H [m] 370 1) Fluid temperature T [ C] 210 Inlet pressure p S [bar] 20 Discharge pressure 2) p d [bar] 40 Speed n [rpm] ) At maximum permissible speed 2) Q = 0, ρ = 1 kg/dm³ 4 YNK

5 Design details Design Radially split volute casing pump with radial impeller Volute casing (single or double volute) Overview of single and double volute casings Size Volute casing design Single volute Double volute 200/ / / / / / / / / /800 - Drive Connected by means of studs with covers inserted and flange-mounted on either side Horizontal installation Double-entry Single-stage Electric motor Turbine via gear Direction of rotation Depends on casing position and nozzle orientation Clockwise or anti-clockwise, viewed from the drive Suction nozzle Connection type 1: Suction nozzle with flange connection to DIN EN , raised face type B Suction nozzle with flange connection to ASME Class 300, raised face type RF Connection type 2: Weld end Discharge nozzle Connection type 1: Discharge nozzle with flange connection to DIN EN , raised face type B Discharge nozzle with flange connection to ASME Class 300, raised face type RF Connection type 2: Weld end Nozzle position 2: Suction nozzle DN1 at bottom, discharge nozzle DN2 on top 3: Suction nozzle DN1 at bottom, discharge nozzle DN2 at bottom 4: Suction nozzle DN1 on top, discharge nozzle DN2 on top 5: Suction nozzle DN1 horizontal, discharge nozzle DN2 horizontal Pump feet arrangement Horizontal Centreline Impeller type Closed double-entry radial impeller with multiply curved vanes Axial thrust balancing Hydraulically by double-entry impeller Absorption of residual axial thrust by pivoted segmental thrust bearing Bearings Forced oil lubricated radial plain bearings and pivoted segmental thrust bearings Shaft seal Single mechanical seal Uncooled With jacket cooling With mating ring cooling With circulation cooling Replaceable shaft sleeve Possible nozzle positions 1: Suction nozzle DN1 on top, discharge nozzle DN2 at bottom YNK 5

6 Materials Part No. Description Material /.02 Diffuser plate Chrome steel 102 Volute casing Cast chrome steel 160 Cover Carbon steel (plated) 162 Suction cover Cast chrome steel 210 Shaft Chrome steel 234 Double-entry impeller Cast chrome steel Bearing housing Grey cast iron 441 Shaft seal housing Chrome steel /.02 Casing wear ring Chrome steel 523 Shaft sleeve Chrome steel /.02 Stud Steel which is creep-resistant at elevated temperatures 6 YNK

7 Dimensions Suction nozzle DN1: on top, discharge nozzle DN2: on top or suction nozzle DN1: at bottom, discharge nozzle DN2: at bottom 3) DN2 w z DN1 l1 l4 l5 h2 h1 f h4 a X a) s Ø dm6 X l8 l3 l2 l9 l10 b1 t u Ø dm6 a) Direction of rotation Dimensions [mm] Size DN1 DN2 l1 l2 l3 l4 l5 l8 l9 l10 h1 h2 h4 w z 200/ / / / / / ) 482 4) / / ) 476 4) Dimensions [mm] Size DN1 DN2 a 5) b1 f d t s u 6) 200/ , / , / , , / , / , / ) 482 4) , / / ) 476 4) ) Only if the pump foot geometry is symmetric 4) Weld end on request 5) Clearance required for removal of rotor (from the shaft end) 6) Number of keys YNK 7

8 Suction nozzle DN1: on top, discharge nozzle DN2: at bottom or suction nozzle DN1: at bottom, discharge nozzle DN2: on top 7) DN1 l1 l4 l5 h2 h1 f a Ø dm6 X X a) l8 l9 l10 h3 b1 t u Ø dm6 s w l3 l2 DN2 a) Direction of rotation Dimensions [mm] Size DN1 DN2 l1 l2 l3 l4 l5 l8 l9 l10 h1 h2 h3 w z 300/ / ) 382 8) / / ) 392 8) / ) 381 8) / / ) 479 8) / ) 575 8) Dimensions [mm] Size DN1 DN2 a 9) b1 f d t s u 10) 300/ , / ) 382 8) , / , / ) 392 8) / ) 381 8) / / ) 479 8) / ) 575 8) ) Only if the pump foot geometry is symmetric 8) Weld end on request 9) Clearance required for removal of rotor (from the shaft end) 10) Number of keys 8 YNK

9 Suction nozzle DN1: horizontal, discharge nozzle DN2: horizontal l3 l2 l1 l4 l5 DN1 DN1 h2 h4 a l8 l9 X a) t f Ødm6 X l6 l7 b1 u s Ødm6 a) Direction of rotation Dimensions [mm] Size DN1 DN2 l1 l2 l3 l4 l5 l6 l7 l8 l9 l10 h1 h2 h3 h4 w z 300/ / / ) ) Dimensions [mm] Size DN1 DN2 a 12) b1 f d t s u 13) 300/ , , / , / ) ) Suction nozzle DN1: vertical, discharge nozzle DN2: horizontal 14) Dimensions [mm] Size DN1 DN2 l1 l2 l3 l4 l5 l6 l7 h1 h2 h3 w z a 15) b1 f d t s u 16) 200/ , / , / ) ) , ) Weld end on request 12) Clearance required for removal of rotor (from the shaft end) 13) Number of keys 14) With this combination please observe the interdependency of direction of rotation and nozzle orientation. 15) Clearance required for removal of rotor (from the shaft end) 16) Number of keys 17) Weld end on request YNK 9

10 General assembly drawings with list of components YNK 300/670, YNK 400/710 (1M.3) (26M.1) (672) 13D (720.01) (12A) (4M.4) (4M.5) 384 (26M.2) 314 (392.01) (387.01) (900.03) (562.16) A E B E.1 (4M.3) (4M.1) (1M.1) (4M.6) 6B (4M.2) (1M.2) B 13B E A (411.99) (904.99) (903.99) 13A (411.99) General drawing of YNK 300/670, YNK 400/ YNK

11 List of components Part No. Description Part No. Description /.02 Diffuser plate /.02 Casing wear ring 102 Volute casing Spacer ring 160 Cover Loose collar 210 Shaft Thrower 234 Double-entry impeller Spacer sleeve 314 Thrust bearing /.05/.12/.13/.14 Disc Bearing housing Washer 354 Thrust bearing housing Pin 360 Bearing cover /.16 Parallel pin 361 Non-drive end bearing cover 672 Vent 370 Bearing shell /.04 Guard 384 Thrust bearing plate /.02 Temperature measuring instrument Thrust bearing segment Special pipe part Bearing segment carrier Flange Gasket Screw /.02 Profile seal /.12./13 Hexagon head bolt /.03/.99 Joint ring /.02/.11 Stud /.09/.10/.11/.12/.18 O-ring Screw plug Shaft seal ring /.04/.05/.99 Grub screw Labyrinth ring /.02/.04/.09/.11/.13 Hexagon socket head cap screw 433 Mechanical seal /.04/.09/.11/.14 Nut 441 Shaft seal housing Circlip 501 Segmental ring /.02/.05 Key Connections Connection 1M.1/.2/.3 4M.1/.2/.3/.4/.5/.6 Description Pressure gauge Connection for temperature measuring instruments 6B.1 Drain 7A.1 Cooling liquid outlet 7E.1 Cooling liquid inlet 8B Leakage drain 12A Circulation liquid outlet 13A.1/.3 Oil outlet 13B.1/.3 Oil drain 13D.1 Oil filling and venting 13E.1/.3 Oil inlet 26M.1/.2 Vibration measurement YNK 11

12 YNK 200/430, YNK 300/520, YNK 300/600, YNK 300/680, YNK 350/500, YNK 400/770, YNK 500/800 (1M.3) 354 (692.02) (4M.4) (4M.5) (26M.2) (392.01) (387.01) (387.02) (562.16) (900.03) E A B.3 (26M.1) E.1 (692.01) (4M.3) (12A) (720.02) B (4M.1) (1M.1) (1M.2) B B.1 (4M.1) (1M.1) (1M.2) D.1 (913.01) (672) 7A E B A B General drawing of YNK 200/430, YNK 300/520, YNK 300/600, YNK 300/680, YNK 350/500, YNK 400/770, YNK 500/ YNK

13 List of components Part No. Description Part No. Description 102 Volute casing Spacer ring /.02 Suction cover Loose collar 210 Shaft Thrower 234 Double-entry impeller Spacer sleeve 314 Thrust bearing /.05/.12/.13/.14 Disc Bearing housing Washer 354 Thrust bearing housing Pin 360 Bearing cover /.16 Parallel pin 361 Non-drive end bearing cover 672 Vent 370 Bearing shell /.04 Guard 384 Thrust bearing plate /.02 Temperature measuring instrument /.02 Thrust bearing segment Special pipe part Bearing segment carrier Flange Gasket Screw /.02 Profile seal /.12./13 Hexagon head bolt /.03 Joint ring /.02/.11 Stud /.07/.09/.10/.11/.12/.18 O-ring /.04/.05 Grub screw Shaft seal ring Vent plug Labyrinth ring /.11/.13 Hexagon socket head cap screw 433 Mechanical seal /.04/.09/.11/.14 Nut 441 Shaft seal housing Circlip 501 Segmental ring /.02/.05 Key /.02 Casing wear ring Connections Connection Description 1M.1/.2/.3 Pressure gauge 4M.1/.3/.4/.5 Connection for temperature measuring instruments 6B.1/.2/.3 Drain 7A.1 Cooling liquid outlet 7E.1 Cooling liquid inlet 8B Leakage drain 12A Circulation liquid outlet 13A.1/.3 Oil outlet 13B.1/.3 Oil drain 13D.1 Oil filling and venting 13E.1/.3 Oil inlet 26M.1/.2 Vibration measurement YNK 13

14 KSB Aktiengesellschaft Frankenthal Johann-Klein-Str Frankenthal (Germany) Tel Fax /01-EN