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PAGE 9

Commercial Water

Goulds Water Technology

COMMON NPO CATALOG MODELS

GPM

Head 

(Feet)

HP

Single Phase

Three Phase

ODP*

TEFC

ODP

TEFC

XP

10

37

½

1SN1C1D4

1SN1C4D4

1SN1C2D4

1SN1C5D4

1SN1C7D4

43

½

1SN1C1C4

1SN1C4C4

1SN1C2C4

1SN1C5C4

1SN1C7C4

50

½

1SN1C1B4

1SN1C4B4

1SN1C2B4

1SN1C5B4

1SN1C7B4

58

¾

1SN1D1A4

1SN1D4A4

1SN1D2A4

1SN1D5A4

1SN1D7A4

20

35

½

1SN1C1D4

1SN1C4D4

1SN1C2D4

1SN1C5D4

1SN1C7D4

40

½

1SN1C1C4

1SN1C4C4

1SN1C2C4

1SN1C5C4

1SN1C7C4

46

¾

1SN1D1B4

1SN1D4B4

1SN1D2B4

1SN1D5B4

1SN1D7B4

54

1

1SN1E1A4

1SN1E4A4

1SN1E2A4

1SN1E5A4

1SN1E7A4

30

32

¾

1SN1C1D4

1SN1C4D4

1SN1C2D4

1SN1C5D4

1SN1C7D4

37

¾

1SN1C1C4

1SN1C4C4

1SN1C2C4

1SN1C5C4

1SN1C7C4

43

1

1SN1E1B4

1SN1E4B4

1SN1E2B4

1SN1E5B4

1SN1E7B4

50

1½

1SN1F1A4

1SN1F4A4

1SN1F2A4

1SN1F5A4

1SN1F7A4

40

27

1

1SN1E1D4

1SN1E4D4

1SN1E2D4

1SN1E5D4

1SN1E7D4

33

1

1SN1E1C4

1SN1E4C4

1SN1E2C4

1SN1E5C4

1SN1E7C4

38

1½

1SN1F1B4

1SN1F4B4

1SN1F2B4

1SN1F5B4

1SN1F7B4

46

1½

1SN1F1A4

1SN1F4A4

1SN1F2A4

1SN1F5A4

1SN1F7A4

50

24

1

1SN1E1D4

1SN1E4D4

1SN1E2D4

1SN1E5D4

1SN1E7D4

29

1½

1SN1F1C4

1SN1F4C4

1SN1F2C4

1SN1F5C4

1SN1F7C4

35

1½

1SN1F1B4

1SN1F4B4

1SN1F2B4

1SN1F5B4

1SN1F7B4

42

1½

1SN1F1A4

1SN1F4A4

1SN1F2A4

1SN1F5A4

1SN1F7A4

60

20

1½

1SN1F1D4

1SN1F4D4

1SN1F2D4

1SN1F5D4

1SN1F7D4

25

1½

1SN1F1C4

1SN1F4C4

1SN1F2C4

1SN1F5C4

1SN1F7C4

30

1½

1SN1F1B4

1SN1F4B4

1SN1F2B4

1SN1F5B4

1SN1F7B4

37

2

1SN1G1A4

1SN1G4A4

1SN1G2A4

1SN1G5A4

1SN1G7A4

70

16

1½

1SN1F1D4

1SN1F4D4

1SN1F2D4

1SN1F5D4

1SN1F7D4

21

1½

1SN1F1C4

1SN1F4C4

1SN1F2C4

1SN1F5C4

1SN1F7C4

25

1½

1SN1F1B4

1SN1F4B4

1SN1F2B4

1SN1F5B4

1SN1F7B4

32

2

1SN1G1A4

1SN1G4A4

1SN1G2A4

1SN1G5A4

1SN1G7A4

* Single phase ODP motors have a solid state switch.

Содержание NPO

Страница 1: ...NPO OPEN IMPELLER ALL STAINLESS STEEL END SUCTION PUMPS PRODUCT TRAINING MANUAL TRAINING MANUAL NPOTM ...

Страница 2: ...PAGE 2 Commercial Water Goulds Water Technology NPO PRODUCT INTRODUCTION WASHER SERVICE APPLICATIONS WASHER SERVICE APPLICATIONS ...

Страница 3: ...s of Construction 10 Performance 11 Dishwasher Market Primary Applications 15 Chemical Companies 16 Restaurant Supply 16 Typical Dishwasher Design 17 Commercial Laundry 18 Parts Washers 19 Machine Tool Coolant 20 Competition Advantages of the NPO Over Flowserve IDP 21 Commercial Laundry 21 Parts Washer and Machine Tool 21 Installation Procedures 22 Service and Maintenance Procedures 24 Troubleshoo...

Страница 4: ...t can be used as an in depth backup to your Goulds Water Technology catalog materials Why the NPO The NPO or open impeller NPE was developed as a result of Goulds Water Technology experience with the commercial dishwasher market In addition it builds on the strength of our NPE market presence and allows us to enter other high volume markets where small solids or particulate handling is required Th...

Страница 5: ... the requirements of most small spray washer systems such as commercial dishwashers CAPACITY Q METERS FEET TOTAL DYNAMIC HEAD H 0 120 100 80 60 40 20 30 20 10 0 0 25 50 75 100 125 150 175 U S GPM 0 5 10 15 20 25 30 50 m3 hr 200 225 250 45 40 35 25 15 5 1 x 11 4 6 3500 RPM 11 4 x 11 2 6 3500 RPM 11 2 x 2 6 3500 RPM 1 x 11 4 6 1750 RPM 11 4 x 11 2 6 1750 RPM 11 2 x 2 6 1750 RPM ...

Страница 6: ...ors in a variety of enclosures Many of the options for the NPE including seals and the vent flush accessory are also available for the NPO The casing is a modification of the NPE casing which incorporates a flat running surface for the front of the open impeller The impeller for the smalles size is a cast 316 open design similar to that used in the ICS Impellers for the two larger sizes are fabric...

Страница 7: ...ainless steel for maximum service life It is threaded to fit 56J motor shafts and is supplied with a front lock nut MOTOR ADAPTER The NPO is supplied as standard with a non footed 316L stainless steel motor adapter This is the same motor adapter used on the frame mounted version of the NPE This design was chosen to provide less vibration and more mounting standardization through the use of welded ...

Страница 8: ...r mance curve Driver 1 1 PH ODP 4 1 PH TEFC 7 3 PH XP 2 3 PH ODP 5 3 PH TEFC 8 575 V XP 3 575 V ODP 6 575 V TEFC 0 1 PH XP HP Rating C HP E 1 HP G 2 HP J 5 HP D HP F 1 HP H 3 HP K 7 HP Driver Hertz Pole RPM 1 60 Hz 2 pole 3500 RPM 2 60 Hz 4 pole 1750 RPM 4 50 Hz 2 pole 2900 RPM 5 50 Hz 4 pole 1450 RPM Material SN Stainless steel Pump Size 1 1 x 1 6 2 1 x 1 6 3 1 x 2 6 Impeller Pump Size Code 1 x 1...

Страница 9: ...N1F4A4 1SN1F2A4 1SN1F5A4 1SN1F7A4 40 27 1 1SN1E1D4 1SN1E4D4 1SN1E2D4 1SN1E5D4 1SN1E7D4 33 1 1SN1E1C4 1SN1E4C4 1SN1E2C4 1SN1E5C4 1SN1E7C4 38 1 1SN1F1B4 1SN1F4B4 1SN1F2B4 1SN1F5B4 1SN1F7B4 46 1 1SN1F1A4 1SN1F4A4 1SN1F2A4 1SN1F5A4 1SN1F7A4 50 24 1 1SN1E1D4 1SN1E4D4 1SN1E2D4 1SN1E5D4 1SN1E7D4 29 1 1SN1F1C4 1SN1F4C4 1SN1F2C4 1SN1F5C4 1SN1F7C4 35 1 1SN1F1B4 1SN1F4B4 1SN1F2B4 1SN1F5B4 1SN1F7B4 42 1 1SN1F...

Страница 10: ...nless Steel Seal Housing AISI 316L Stainless Steel Casing Socket Head Screws AISI 430 Stainless Steel Casing O Ring Viton Casing Vent Plug AISI 316L Stainless Steel with Viton O Ring Casing Drain Plug AISI 316L Stainless Steel with Viton O Ring Motor Bolts Plated Steel Deflector BUNA Mechanical Seal Standard with Carbon vs Silicon Carbide 316 Stainless Steel Metal Parts and Viton Elastomers Impell...

Страница 11: ...ontact Goulds Water Technology customer service for help in selecting a pump for a specific OEM application 0 20 40 60 80 0 10 20 25 60 50 40 30 20 10 0 20 5 0 90 70 50 30 10 15 5 70 80 90 15 10 1 2 HP 3 4 HP 1 HP 1 1 2 HP 2 HP 3 HP 6 25 EFF 30 25 30 8 10 12 18 32 32 G 53 8 DIA H 5 A 45 16 B 4 C 33 4 D 31 2 E 31 4 F 3 m3 hr Model NPO 1SN Size Tamaño 1 x 11 4 6 RPM 3500 Curve Curva CN0423R01 U S GP...

Страница 12: ...ended for operation beyond printed H Q curve NOTA No se recomienda para funcionamiento superior al impreso en la curva H Q 0 20 40 60 80 0 10 20 25 50 0 5 0 120 15 5 15 10 100 200 150 100 D 45 8 A 57 16 DIA B 51 4 C 415 16 F 43 16 G 33 4 5 40EFF 45 50 10 15 52 20 45 35 2 HP 3 HP 5 HP 7 1 2 HP 30 35 20 25 30 35 40 45 50 55 Model NPO 3SN Size Tamaño 11 2 x 2 6 RPM 3500 Curve Curva CN0473R00 NPSHR FE...

Страница 13: ...amiento superior al impreso en la curva H Q CAPACITY CAPACIDAD Q METERS METROS FEET PIES TOTAL DYNAMIC HEAD CARGA DINAMICA TOTAL H 0 20 40 60 0 10 20 60 50 40 30 20 10 0 15 5 0 50 30 10 15 5 70 10 G 53 8 DIA H 5 A 45 16 B 4 C 33 4 D 31 2 E 31 4 F 3 20 EFF 4 32 32 30 7 25 30 12 1 2 HP 3 4 HP 1 HP 1 1 2 HP 25 2 H P Model NPO 1SN Size Tamaño 1 x 11 4 6 RPM 2900 Curve Curva CN0469R00 NPSHR FEET PIES m...

Страница 14: ... 17 45 20 24 2 HP 3 HP 5 HP 1 1 2 HP 1 HP 52 55 45 40 35 30 25 20 Model NPO 3SN Size Tamaño 11 2 x 2 6 RPM 2900 Curve Curva CN0475R00 NPSHR FEET PIES m3 hr U S GPM NOTE Not recommended for operation beyond printed H Q curve NOTA No se recomienda para funcionamiento superior al impreso en la curva H Q CAPACITY CAPACIDAD Q METERS METROS FEET PIES TOTAL DYNAMIC HEAD CARGA DINAMICA TOTAL H PERFORMANCE...

Страница 15: ... between new systems and replacement pumps for existing installations In both cases the sale will be primarily through the OEM organization The following pages provide information on several example applications to help you identify potential OEM accounts for the NPO in your area Your Goulds Water Technology Regional Sales Manager and Goulds Water Technology Applications Engineering can help you i...

Страница 16: ...is often leased or rented as a part of a purchase agreement for the detergents This may also involve either direct or contracted service from the company to fix customer machines Due to this the chemical company is often very interested in the quality and reliability of the pump Pricing is important but usually less important than minimizing service time The more the machine is running the more de...

Страница 17: ...less is much more resistant to the detergents and chlorides used in dishwashing Pump maintenance time and costs are reduced Overall system costs market prices can be kept in line while growing market share All of the other benefits of the NPO covered for the chemical companies on the previous page TYPICAL DISHWASHER DESIGN Most commercial dishwashers are open stainless steel cabinets designed to a...

Страница 18: ...red material for all components exposed to the liquid In addition most systems have several filters to remove lint Despite this the pump is usually exposed to a fair amount of lint and dirt which can clog up impeller vanes To avoid this problem an open impeller is preferred A variation of the standard systems involves ozone injection to reduce the amount of detergents needed to clean the clothes N...

Страница 19: ... to clean the part The deter gent is then strained to remove chips and residue then returned to the pump for recycling Depending on how good the straining process is the pump may still see some fairly large particles An open impeller design allows any residual material to pass and avoids potential damage to the pump Although the durability of stainless steel is an advantage in the detergent enviro...

Страница 20: ...he machining process itself Coolant or machining oil is recirculated through the machining center to aid the metal cutting process This recirculation often brings excess chips or filing into the pump The 316 cast open impeller of the NPO can easily handle these particles with very little chance of damage or wear DISHWASHER MARKET ...

Страница 21: ...ed for a wide variety of dishwasher models 4 Local Stock and Support Goulds Water Technology distributor stock of product near the factory assures just in time delivery without excessive inventory Goulds Water Technology distributor sales and engineering help is nearby for fast on site assistance Commercial Laundry Competition in this market is from a variety of open impeller pumps made of bronze ...

Страница 22: ... leg protection with properly sized magnetic starter and thermal overloads 1 6 Maximum Operating Limits Liquid Temperature 212º F 100º C with standard seal 250º F 120º C with high temperature seal option Pressure 150 PSI Starts Per Hour 20 1 7 Regular inspection and maintenance will increase service life Base schedule on operating time Refer to section 8 2 0 GENERAL 2 1 2 1 1 Locate pump as near l...

Страница 23: ...h pump below source of supply 3 4 1 Install full flow isolation valve in piping for inspection and maintenance DO NOT USE SUCTION ISOLATION VALVE TO THROTTLE PUMP 3 5 Installation with pump above source of supply 3 5 1 Avoid air pockets No part of piping should be higher than pump suction connection Slope piping upward from liquid source 3 5 2 All joints must be airtight 3 5 3 Foot valve to be use...

Страница 24: ... and discharge valve partially open PUMPED LIQUID PROVIDES LUBRICATION IF PUMP IS RUN DRY ROTATING PARTS WILL SEIZE AND MECHANICAL SEAL WILL BE DAMAGED DO NOT OPERATE AT OR NEAR ZERO FLOW ENERGY IMPARTED TO THE LIQUID IS CONVERTED INTO HEAT LIQUID MAY FLASH TO VAPOR ROTATING PARTS REQUIRE LIQUID TO PREVENT SCORING OR SEIZING 6 2 Make complete check after unit is run under operating conditions and ...

Страница 25: ...ts should be cleaned before reassembly 9 2 Refer to parts list to identify required replacement items Specify pump catalog number when ordering parts 9 3 Reassemble the pump in the reverse order of disassembly 9 4 Observe the following when reassembling the liquid end 9 4 1 All mechanical seal components must be in good condition or leakage may result Replacement of complete seal assembly whenever...

Страница 26: ...e motor 7 Not primed 8 Discharge plugged or valve closed 9 Incorrect rotation 10 Foot valve too small suction not submerged inlet screen plugged 11 Low voltage 12 Phase loss three phase only 13 Air or gases in liquid 14 System head too high 15 NPSHA too low Suction lift too high or suction losses excessive Check with vacuum gauge 16 Impeller worn 17 Incorrect impeller diameter 18 head too low caus...

Страница 27: ...PAGE 27 Commercial Water Goulds Water Technology ...

Страница 28: ...creating innovative solutions to meet our world s water needs Developing new technologies that will improve the way water is used conserved and re used in the future is central to our work We move treat analyze and return water to the environment and we help people use water efficiently in their homes buildings factories and farms In more than 150 countries we have strong long standing relationshi...

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