{"product_id":"tsurumi-gsz637-cast-iron-high-head-drainage-pump-for-deep-excavation-dewatering-with-closed-impeller","title":"Tsurumi GSZ637 Cast Iron High-Head Drainage Pump for Deep Excavation Dewatering with Closed Impeller","description":"\u003cp\u003eSuitable for high-head drainage in deep excavation, mining and large construction projects. The side discharge design allows integration into fixed discharge piping systems for water control over significant vertical lift. This construction is focused on maintaining drawdown in demanding civil engineering environments requiring deep-site dewatering.\u003c\/p\u003e\u003cp\u003eA 37 kW 415v 4-pole motor provides a maximum head of up to 59.3 m and a maximum flow of up to 3620 L\/Min through a 150 mm discharge bore. The unit handles drainage water containing up to 15% dry matter and operates within a pH range of 5 to 9. These characteristics are tuned for high-pressure vertical lift and long-distance transport.\u003c\/p\u003e\u003cp\u003eThe spiral side discharge casing provides a smooth hydraulic passage for solids up to 10 mm while maintaining high discharge pressure. This design minimizes internal turbulence and recirculation to effectively move drainage water without efficiency drop-off. The streamlined flow path protects the pump housing from wear during high-head operation.\u003c\/p\u003e\u003cp\u003eConstruction includes a cooling jacket surrounding the motor to enable heat dissipation during fluctuating levels or exposed operation. Protection features include seal pressure relief ports that divert high internal pressure from the mechanical seal faces. The unit utilizes high-grade Class F insulation and a Star-Delta starting method for industrial reliability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh-head hydraulic design provides vertical lift capability up to 59.3 m for deep site dewatering.\u003c\/li\u003e\n\u003cli\u003eSeal pressure relief ports protect the mechanical seal by reducing high internal hydraulic stress.\u003c\/li\u003e\n\u003cli\u003eSpiral side discharge casing optimizes flow velocity while lowering internal friction and housing wear.\u003c\/li\u003e\n\u003cli\u003eMotor cooling jacket enables continuous operation in-air by transferring heat to the pumped liquid.\u003c\/li\u003e\n\u003cli\u003eRugged cast iron body construction and high-grade Class F insulation support industrial site duty.\u003c\/li\u003e\n\u003cli\u003eSuitable for solids handling up to 10 mm in drainage water with a 15% dry matter content.\u003c\/li\u003e\n\u003cli\u003eStar-Delta starting method provides controlled electrical startup for the 37 kW industrial motor.\u003c\/li\u003e\n\u003cli\u003eSide discharge outlet facilitates installation with fixed piping or guide rail systems in deep sumps.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tsurumi","offers":[{"title":"Default Title","offer_id":50929805754615,"sku":"GSZ637","price":0.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/0116\/3767\/files\/tsurumi-gsz637-cast-iron-high-head-drainage-pump-for-deep-excavation-dewatering-with-closed-impeller.png?v=1783679947","url":"https:\/\/foundationpumps.com.au\/products\/tsurumi-gsz637-cast-iron-high-head-drainage-pump-for-deep-excavation-dewatering-with-closed-impeller","provider":"Foundation Pumps","version":"1.0","type":"link"}