ANNUAL CONTRACT FOR THE PURCHASE OF KSB PUMPS

2026-11-03

End Suction Centrifugal - Submersible Pump PART 1 GENERAL 1 . 01 Capability : A . 3 ” minimum diameter spherical solid passage . 1 . 02 Materials of Construction : A . Casing - cast iron A48 Class 35C or 40 B . All Exposed Bolts & Nuts - 316 stainless steel C . Pump Exterior Coating - Factory applied primer and finish coat to suit pumped media . D . Pump Interior – All internal wetted parts including volute assembly , shall receive a ceramicepoxy coating as per below . Unless parts are hardened material , or coating can affect the hydraulics of the pump . 1 . Belzona ® 1321 ( Ceramic S - Metal ) ( Minimum 24 dry mils thickness ) shall be applied blue topcoat and gray basecoat ( to ensure successful overlap ) by brush , applicator , or spray at a typical thickness of 15 mils per coat . The first coat shall not be left more than 24 hours before overcoating with the second coat . Evidence of basecoat shall not be identifiable upon completion . E . Shaft & Sleeve - Stainless steel AISI 431 or 420 F . Impeller - Hard Iron ( ASTM A - 532 ( Alloy 111A ) 25 % chrome cast iron . And shall have hard iron wear ring or wear plate with equal hardness to the impeller . The impeller shall not be a Vortex style unless replacing a pump with a Vortex style impeller . G . O - Rings - Viton H . Upper Bearing - Single row deep groove ball bearing . I . Lower Bearing - Two row angular contact ball bearing . J . All mating surfaces where watertight sealing is required shall be machined and fitted with Viton rubber O - rings . Fitting shall be such that sealing is accomplished by metal - to - metal contact between machine surfaces . This will result in controlled compression of nitrile rubber O - ring without requirement of a specific torque limit . 1 . 03 Drive Motor : A . 240 / 480 VAC , 60HZ 3 Phase / Single Phase . B . Design – Squirrel - Cage , Induction . C . NEMA Design – Type B D . Windings – Copper , Class H Insulated rated for 180 degrees C E . Service Factor – 1 . 15 continuous . F . Design Temperature – 40 ° C ambient . G . Non - overloading at any point on pump curve H . Explosion Proof I . Motor Terminal Board J . Stator shall be heat - shrink fitted . K . Motor Winding Over Temperature Thermostats L . Seal Failure Moisture Probe M . Motor cables shall be designed for submersible duty and shall be indicated by code or legend permanently applied to cable . N . The control and electrical cables shall be minimum 50 feet long or as required per specific location . 1 . 04 Warranty : A . The warranty shall be 100 % ( parts and labor ) for the first year , 50 % from the beginning of the second year to the end of the fifth year . The units shall be warranted by the manufacturer for a five - year period . Wear items such as seals , bearings impellers , rotors and stators may be prorated during the five - year period .

Alabama

2026-03-27