This standard provides minimum requirements for horizontal centrifugal pumps and for vertical line-shaft pumps for installation in wells, water treatment plants, water transmission systems, and water distribution systems.<\/p>\n
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| 7<\/td>\n | Foreword I.\tIntroduction. I.A.\tBackground.\u2003This standard describes the minimum requirements for horizontal centrifugal pumps and for vertical line-shaft pumps for installation in wells, water treatment plants, water transmission systems, and water distribution systems. Pumps descr I.B.\tHistory.\u2003The original standard for vertical line-shaft turbine pumps presented the composite findings from studies conducted from 1949 to 1986 by committees consisting of manufacturers, consumers, and engineers. The first standard was published in 19 <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | I.C.\tAcceptance.\u2003In May 1985, the US Environmental Protection Agency (USEPA) entered into a cooperative agreement with a consortium led by NSF International (NSF) to develop voluntary third-party consensus standards and a certification program for direct <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | II.\tSpecial Issues. II.A.\tChlorine and Chloramine Degradation of Elastomers.\u2003The selection of materials is critical for water service and distribution piping in locations where there is a possibility that elastomers will be in contact with chlorine or chloramines. Documented II.B.\tReliable Service.\u2003Users of horizontal centrifugal and vertical line-shaft pumps should not expect long-lasting or reliable service unless all aspects of the pump application are defined: operating conditions, environmental conditions, and local ambi <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | III.\tUse of This Standard. III.A.\tPurchaser Options and Alternatives.\u2003The following information should be provided in the purchase documents to further define the standard\u2019s requirements: <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | IV.\tModification to Standard.\u2003Any modification of the provisions, definitions, or terminology in this standard must be provided by the purchaser. VI.\tComments.\u2003If you have any comments or questions about this standard, please contact Engineering and Technical Services at 303.794.7711; write to the department at 6666 West Quincy Avenue, Denver, CO 80235-3098; or email at standards@awwa.org. <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | AWWA Standard SECTION 1:\u2002GENERAL Sec.\u20021.1\tScope Sec.\u20021.2\tPurpose Sec.\u20021.3\tApplication SECTION 2:\u2002REFERENCES <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | SECTION 3:\u2002DEFINITIONS <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | SECTION 4:\u2002REQUIREMENTS Sec.\u20024.1\tMaterials <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | Sec.\u20024.2\tGeneral Design: Common to Horizontal and Vertical Pumps <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | Sec.\u20024.4\tGeneral Design: Vertical Pumps <\/td>\n<\/tr>\n | ||||||
| 33<\/td>\n | Sec.\u20024.5\tCoatings <\/td>\n<\/tr>\n | ||||||
| 35<\/td>\n | Sec.\u20024.6 Vibration Limits SECTION 5:\u2002VERIFICATION Sec.\u20025.1\tFactory Tests Sec.\u20025.2\tData Provided by Manufacturer <\/td>\n<\/tr>\n | ||||||
| 36<\/td>\n | SECTION 6:\u2002MARKING, PREPARATION FOR SHIPMENT, AND AFFIDAVIT Sec.\u20026.1\tMarking Sec.\u20026.2\tPackaging and Shipping <\/td>\n<\/tr>\n | ||||||
| 37<\/td>\n | Sec.\u20026.3\tAffidavit of Compliance <\/td>\n<\/tr>\n | ||||||
| 39<\/td>\n | APPENDIX A Pump Cross Sections <\/td>\n<\/tr>\n | ||||||
| 77<\/td>\n | Suggested Data Form for the Purchase of Vertical Line-Shaft Pumps <\/td>\n<\/tr>\n | ||||||
| 79<\/td>\n | Engineering Information and Recommendations <\/td>\n<\/tr>\n | ||||||
| 85<\/td>\n | Special issues for Consideration. <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" AWWA E103-21 Horizontal Centrifugal and Vertical Line Shaft Pumps<\/b><\/p>\n |