Tab 4 - SOW CENTRIFUGAL PUMPS.pdf
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- Attached to
- Three (3) FLOWSERVE pumps and motors Federal contract opportunity
- Solicitation number
- 80NSSC846010Q
About this file
This document provides technical specifications for three centrifugal pumps required under solicitation number 80NSSC846010Q from the National Aeronautics and Space Administration Shared Services Center. The pumps shall be manufactured by FLOWSERVE US Inc. and meet the requirements outlined in the specifications, including pump performance curves, design points for head and flow, temperature and pressure ranges, materials, and hydraulic performance metrics. Bidders must ensure a minimum NPSHa of 18.5 feet is provided.
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| File | Type | Posted |
|---|---|---|
| Tab 12 RFQ 80NSSC846010Q.pdf |
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CENTRIFUGAL PUMPS
Pumps shall be provided as manufactured by FLOWSERVE US Inc., 3900 Cook Boulevard, Chesapeake, Virginia 23323,(Original Equipment Manufacturer) who shall assemble the pump system and supply a certified pump performance curve signed and sealed by a licensed professional Engineer.
The pumps shall be the centrifugal, single-stage type, designed for service in the following, POR, and Table 1:
Number of Pumps Horizontal Shaft, End Suction 3 Impeller Diameter 12.81 Inches Temperature range (Deg. F) 70 to 105
Table 1 Pump Performance
Design Point
Head (Ft.)
Flow
(GPM)
Efficiency
Horsepower (Minimum)
NPSHR
(Ft.)
Shut Off 178 0
1st 149 1,500 75 75 18
2nd 120 1,760
3rd 174 960
Pump size & type / Stages : 2K6x4-13AOP M3 ST / 1 Based on curve no. : MIII8145V Impeller diameter : 12.81 in
Customer : - Item number : Cooling Water Pumps Service : - Flowserve reference : 4577420575 Date : August 2, 2023
Capacity : 1,500.0 USgpm Head : 150.00 ft Density / Specific gravity : - / 1.000 Pump speed : 1,780 rpm Ns / Nss (per eye) : 1,420 / 8,140 (US) Test tolerance : ANSI/HI 14.6 Grade 1B
CURVES ARE APPROXIMATE, PUMP IS GUARANTEED FOR ONE SET OF CONDITIONS; CAPACITY, HEAD, AND EFFICIENCY
The customer must provide a minimum NPSHa of 18.5 ft.
Copyright © 2016 Flowserve. All rights reserved. Affinity v2.22.0
Hydraulic Datasheet
Customer : - Customer reference : - Item number : Cooling Water Pumps Service : -
Pump / Stages : 2K6x4-13AOP M3 ST / 1 Based on curve no. : MIII8145V Flowserve reference : 4577420575 Date : August 2, 2023
Operating Conditions Capacity (rated/normal) : 1,500.0 USgpm / - Water capacity (CQ=1.00) : - Total developed head : 150.00 ft Water head (CH=1.00) : - NPSHa/NPSHa less margin : Ample / - Maximum suction pressure : 0.0 psig
Liquid Liquid type : Other Liquid description : - Temperature : 70 °F Density / Specific gravity : - / 1.000 Solid Size - Actual / Limit : - / 1.00 in Viscosity / Vapor pressure : 1.00 cSt / -
Materials / Specification Material column code : DCI Pump specification : ASME B73.1
Other Requirements Hydraulic selection : No specification Construction : No specification Test tolerance : ANSI/HI 14.6 Grade 1B Driver Sizing : Max Power(MCSF to EOC) using SF Seal configuration : Single Seal
Performance Hydraulic power : 56.8 hp Pump speed : 1,780 rpm Pump overall efficiency (CE=1.00) : 81.4 % NPSH required (NPSH3) : 18.5 ft Rated brake power : 69.8 hp
Maximum brake power : 75.9 hp Driver power rating : 75.0 hp / 55.9 kW Casing working pressure : 76.9 psig
(based on shut off @ cut dia/rated SG) Maximum allowable : 250.0 psig Hydrostatic test pressure : 375.0 psig Estimated rated seal chamber pressure : 8.7 psig
Impeller diameter Rated : 12.81 in Maximum : 13.00 in Minimum : 9.00 in
Ns / Nss (per eye) : 1,420 / 8,140 (US) Minimum continuous flow : 534.6 USgpm Maximum head at rated diameter : 177.66 ft Flow at BEP : 1,363.3 USgpm Flow as % of BEP : 110.0 % Efficiency at normal flow : - Impeller diameter ratio (rated/max) : 98.6 % Head rise to shut off : 18.4 % Total head ratio (rated / max) / (max / rated) : 94.0 % / 106.4 %
CURVES ARE APPROXIMATE, PUMP IS GUARANTEED FOR ONE SET OF CONDITIONS; CAPACITY, HEAD, AND EFFICIENCY.
MCSF PROVIDES MECHANICAL PROTECTION ONLY. MINIMUM THERMAL FLOW MUST BE CALCULATED FOR THE SPECIFIC FLUID AND OPERATING CONDITIONS.
The customer must provide a minimum NPSHa of 18.5 ft.
Affinity v2.22.0Copyright © 2016 Flowserve. All rights reserved.
Full Page GA Drawing
Customer : - Item number : Cooling Water Pumps Service : - Customer PO # : - Flowserve reference : 4577420575
Pump size & type : 2K6x4-13AOP M3 ST Pump speed / Stages : 1,780 rpm / 1 Flow / Head : 1,500.0 USgpm / 150.00 ft Driver power / Frame : 75.0 hp / 55.9 kW / 365T Volts / Phase / Hz : 460 / 3 / 60 Hz
Drawing number : - Date : August 2, 2023 Certified by / Date : : - Seal type : ISC2 Pusher Seal flush plan : Plan 03
Copyright © 2016 Flowserve. All rights reserved. Affinity v2.22.0
File details come from the government source that posted it. Updated .