Wilo SCP Split Case Base Mounted Pumps

Transcription

1 Wilo SCP Split Case Base Mounted Pumps Horizontal Split Case, Double Suction, Single and Two Stage Pumps March, 2013 Marcos D. Roimicher, Product Manager BS Market Segment, Product Management Department

2 Agenda 1. Features and Benefits 2. General Technical Specifications 3. Model Number Designation 4. Family Curves 5. Detailed Technical Features / Construction Details / Features and Benefits 6. Markets and Applications 7. Options 2

3 Features and Benefits Horizontal Split Case, Double Suction Design Simple access to rotating assembly Hydraulically balanced Highest efficiency of any pump type in Wilo product line WILO Brain Easy Read Model Numbering System References flange size and max impeller size in standard North American units Uses Baldor NEMA Frame Foot Mount Motors (other Manufacturers are OK) All voltages and enclosures available Various efficiency types and VFD-ready Do not need to be Inverter Duty Optional Aegis Ring motors available 3

4 Features and Benefits Excellent Delivery Times 4-6 weeks Common pump ends and motors stocked in Thomasville, Georgia ¼ Pressure Gauge Tappings Standard Suction and discharge Maybe be supplied with BSP to NPT adapters Excellent Commercial Pump Warranty 24 months from date of purchase 4

5 General Technical Specifications Size Range Flange Size 2 to Pole (1800 RPM), 6 6 Pole (1200 RPM) Horsepower Range 1 ½ to 500 HP Performance Flow range from 88-15,400 US GPM Heads from TDH Pressure Ranges Maximum working pressure: standard construction 230 psi with standard mechanical seal limitations Maximum working pressure: optional construction (with 250 # Flange Drilling) 400 psi Maximum inlet pressure: 150 PSI mechanical seal or 75 PSI gland packed Hydrostatic test pressure: 1.5 times working pressure 5

6 General Technical Specifications Temperature Range for HVAC applications + 18 F to +250 F (-8 C to +120 C) Approved Liquids Water-glycol mixtures - for 20-40% glycol and fluid temperature 104 F (40 C) Standard Construction Material Specification Cast iron, bronze fitted, mechanical seal type Noise and Vibration Levels to Hydronic Institute Standards 6

7 Model Number Designation SCP SCP 4 x 3 x 8 - HA Split Case, Base Mounted, Double Suction Pump Additional configurations available 4 Suction (Inlet) Size in Inches 125# ANSI raised face standard (150# same as 125#) 250# ANSI raised face optional (300# same as 250#) 3 Discharge (Outlet) Size in Inches 8 Maximum Impeller Diameter in Inches HA Hydraulic Type HA, HB, DS, HS, DV Types Materials Code ( Note: Complete units include motor HP, motor enclosure, # poles (RPM), frame size, phase and voltage 7

8 Model Number Designation HA Hydraulic Type HA, HB, DS, HS, DV Types Mate HA stands for Hydraulic Design A HB stands for Hydraulic Design B DS stands for Dual Stage, (2) impeller design SCP 4 x 3 x 8 - HA HS stands for impeller one side suction but it is like an NL (end suction) with balancing holes and have two neck ring diameters to accommodate wear rings or neck rings DV stands for Double Volute [(2) passages in delivery of SCP, partition in delivery branch] e ( 8

9 Family Curves 60 Hz 9

10 Model Sizes 10

11 Detailed Technical Features Single Stage Pump with Mechanical Seal 11

12 Detailed Technical Features Two-Stage Pump with Mechanical Seal 12

13 Detailed Technical Features Materials of Construction Casing, Impeller, Shaft, Neck Rings, Shaft Sleeves Component Version C0 Casing Cast iron A 48 CLASS 35 EN-GJL-250 Impeller Cast iron A 48 CLASS 35 EN-GJL-250 Shaft Stainless steel A 276 Type 410 X12cr13 Neck ring Bronze B 584 C G-CuPb 10 Sn Shaft sleeve Stainless steel A 276 Type 410 X12cr13 Component Version C1 (Standard Construction) Casing Cast iron A 48 CLASS 35 EN-GJL-250 Impeller Bronze B 584 C G- CuSn5 ZnPb Shaft Stainless steel A 276 Type 410 X12cr13 Neck ring Bronze B 584 C G-CuPb 10 Sn Shaft sleeve Stainless steel A 276 Type 410 X12cr13 13

14 Detailed Technical Features Materials of Construction - Casing, Impeller, Shaft, Neck Rings, Shaft Sleeves Component Version C2 Casing Ni-resist cast iron BS 3468 Gr 2 DIN 1694 GGL-NiCr 20 2 Impeller Bronze B 584 C G- CuSn5 ZnPb Shaft Stainless steel BS S16 DIN X5CrNiMo1810 Neck ring Bronze B 584 C G-CuPb 10 Sn Shaft sleeve Stainless steel A 276 Type 410 X12cr13 Component Version C3 Casing Stainless steel BS C16 Impeller Stainless steel BS C16 Shaft Stainless steel BS S16 DIN17445 X6CrNiMo1810 DIN17445 X6CrNiMo1810 DIN X5CrNiMo1810 Neck ring Stainless steel ASTM A743 Gr CF-8M A182-F316H Shaft sleeve Stainless steel ASTM A276 Type 316SS 14

15 Detailed Technical Features Materials of Construction - Casing, Impeller, Shaft, Neck Rings, Shaft Sleeves Component Version C4 Casing Ductile iron BS DIN 1693 GGG50 Impeller Bronze BS 1400 LG2 DIN 1716 G-CuPb 15 Sn Shaft Stainless steel A 276 Type 410 X12cr13 Neck ring Bronze B 584 C G-CuPb 10 Sn Shaft sleeve Stainless steel A 276 Type 410 X12cr13 General Material of Construction: Standard materials cast iron / bronze / carbon steel Material variants ductile iron / cast steel / stainless and alloy steels Special materials duplex stainless steel and austenitic irons Custom bottom suction or centerline suspension 15

16 Detailed Technical Features Materials of Construction Mechanical Seals Seal Combinations Code Face Combinations Friction faces Joints / O-ring Code DIN E0 Carbon/ceramic EPDM A V E G G E1 Carbon/carbide SIC EPDM A Q1 E G G E2 Carbide SIC/ Carbide SIC EPDM Q1 Q1 E G G E3 Carbon / Carbide Tungsten. EPDM A U E G G EA Carbon/carbide SIC ACS EPDM A Q1 E G G V0 Carbon/ceramic VITON A V V G G V1 Carbon/carbide SIC VITON A Q1 V G G V2 Carbide SIC/ Carbide SIC VITON Q1 Q1 V G G V3 Carbon / Carbide Tungt. VITON A U V G G P0 Packing Gland : Graphite impregnated 16

17 Detailed Technical Features Painting 2-part epoxy paint as per internal standards Primer: Red Oxide Zinc Coated ~ 40 microns thick Final top coat: Enamel paint ~ 40 microns thick - Wilo green (Pantone 334) as standard Customized paint available upon request, will require longer lead time and extra cost Construction Features Short shaft sleeve design Monobloc design bearing support in the lower casing = easier to service Pressure rating (standard construction) 150 PSI, hydrostatically tested to 1.5 times (225 psi) per Hydraulic Institute Standards Eye bolt for lifting Oversized permanently lubricated (sealed-zz) radial ball bearings Improved lubrication and cooling of mechanical seal through seal flush lines 17

18 Detailed Technical Features Short shaft sleeve Keyed Impeller Nut 18

19 Detailed Technical Features Features and Benefits Easy maintenance Horizontal Split Case concept: o The top casing can be removed, in order to have direct access to the rotating components o Reduced maintenance downtime Material Information Casing: o Standard construction in Cast Iron ASTM A48, Class 40 (EN GJL 250) o Alternative materials available on request (Bronze, Stainless Steel, etc) 19

20 Detailed Technical Features Features and Benefits Easy maintenance Tongue & groove wear rings: o To guarantee correct location on reassembly o To avoid wear on the casing o Longer seal life Material Information Wear rings: o Standard construction in Bronze o Alternate materials available on request 20

21 Detailed Technical Features Features and Benefits (ΣF axial = 0) (ΣF axial = 0) More reliable Double suction concept: o The impellers are hydraulically balanced so the axial thrust is minimized o To minimize the NPSHr (ΣF axial = 0) o More reliable Material Information Impeller: o Standard construction in Bronze o Alternate materials available on request 21

22 Detailed Technical Features Features and Benefits F radial F impeller F radial Extended Life Simply supported impeller design concept: o To reduce shaft deflection o To minimize vibration o To reduce radial loads o Bearings can also be removed without disturbing top of casing o Longer bearings and seal life Material Information Shaft: o Standard construction in Stainless Steel o Alternate materials available on request 22

23 Detailed Technical Features Features and Benefits Extended Life Seal flush lines: o To avoid premature wear of the mechanical seals o Cyclone separators are an available option for abrasive fluids o Longer seal life Material Information Seal flush lines: o Standard construction in Stainless Steel o Alternate materials available on request 23

24 Detailed Technical Features Permanently Lubricated ( sealed for life -ZZ) radial ball bearings Internal flush with seal water insures maximum seal life (SS tubing for Long Life) Tongue & groove neck ring design eliminates axial displacement and seizure of rotating assembly Double lock nut and key arrangement ensures reverse rotation of shaft sleeve 24 Impeller double suction (hydraulically balanced), minimizes axial thrust

25 Markets and Applications Building Services Main applications : Air conditioning Main Sales Area : World Wide Heating Boosting Industry Main applications : Cooling Heating Water transfer on process applications Main Sales Area : World Wide Municipal Main applications : Water intake Main Sales Area : World Wide Transportation Distribution 25

26 Options NUMBER OF STAGES Single Stage Multistage POSITION OF SHAFT Horizontal Pump LUBRICATION Grease Lubrication with Antifriction Brgs Oil Lubrication with Antifriction Brgs Oil Lubrication with Journal Brgs. IMPELLER DESIGN Single Suction Double Suction Based On Shaft Sealing Gland Sealing Mechanical Sealing DRIVE a) Motor b) Motor VFD Compatible Engine Direct Motor Mounting (standard flexible coupling) Using Extention Shafting Double extended - one end of pump coupled to motor, other end coupled to an engine 26

27 Options Cyclone Sediment Separator Provides clean, abrasive-free injection flow for flushing the surfaces of the mechanical shaft seal (longer lead time and extra cost) John Crane model 100 (nylon), 1/2 NPT 27

28 Questions/Comments? 28