The Grundfos NKE 65-125/127 S2 A2 F2 AE-SBQQE (Part Number: 99539718) is a genuine Grundfos speed-regulated end-suction pump designed for a wide range of applications including water supply, industrial pressure boosting, liquid transfer, and HVAC systems (heating and cooling). This robust pump features a cast iron housing and impeller (EN JL1040 / ASTM A48-40B) and a stainless steel shaft (EN 1.4301 / AISI 304). It is equipped with a 7.5 kW IE5 efficiency motor (Motor Number: 99539722) operating at 3x 380-480V, 50 Hz, with IP55 enclosure and electronic motor protection. The pump delivers a rated flow of 40 m³/h at a rated head of 25.5 m, with an impeller diameter of 127 mm. It is suitable for liquid temperatures from -25 to 120 °C and maximum operating pressure of 16 bar. Connections are DN 80 (inlet) and DN 65 (outlet) with PN 16 pressure rating. Approvals include CE, EAC, UKCA, WRAS, ACS, NSF61, UBA, KTW.