JET self priming pump water 1.CE, ISO9001-2008, CQC, etc; 2.100% copper wire & 100% output; 3.OEM Structural characteristics Pump body: Cast Iron/BrassCoil wire: CopperImpeller: Brass Bearing: C&U/NSK/SKFInsulation class: B and F Protection class: IP44 or IP54 Mechanical seal: Carbon-ceramic/Stainless steel Shaft: 45# Steel / Stainless steel 420Single phase motor with Thermal protector Jet self ...