QSK60 Engine Parts Water Transfer Connection 4927959 For Cummins
Description
Technical Parameters
Cummins Genuine Water Transfer Connector 4927959 (for QSK60 series engine)
The base body is made of SAE 316L stainless steel through precision casting (Cr 16 - 18%, Mo 2 - 3%). The inner wall is coated with composite polyether ether ketone (PEEK) (with a thickness of 50 μm). As a result, the resistance to coolant corrosion is enhanced by 4 times, making it suitable for long-term working conditions with glycol-based coolant at 120 °C.
The flow path is optimised by CFD fluid dynamics. As a result, the turbulence coefficient is reduced by 22%, the coolant flow rate is increased to 8.5m/s (@2000r/min), and the heat dissipation efficiency is increased by 15% compared with the traditional design.
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Multi-seal and anti-vibration design
The integrated triple sealing structure includes: the main seal, which adopts a fluorine rubber (FKM) O-ring (with a temperature resistance range of -40°C to 180°C); the secondary seal, which is a metal wound gasket (with a pressure resistance of 6MPa); and the emergency sealing groove, which is pre-positioned with a self-expanding graphite ring. The triple redundancy design guarantees the sealing reliability in extreme working conditions.
The bracket adopts a honeycomb vibration damping structure. After the 20 - 500Hz random vibration test according to the ISO 16750 standard, the displacement is ≤0.03mm, which prevents high-frequency vibration from loosening the bolts.
Application Scene and Performance Gain
Generator sets: When matched with QSK60-G3 diesel generator sets, for the generator sets, the coolant temperature difference remains stable within ±2°C (in an ambient temperature range of -30°C to 50°C), which guarantees precise control of the urea injection temperature of the SCR system.
Marine power: When matched with the QSK60-M marine main engine, it is certified by DNV-GL. It is resistant to high humidity corrosion in the seawater environment, and the maintenance cycle is extended to 15,000 hours.
Mining Machinery: When used in the Caterpillar 794 AC mining truck engine, under the working conditions with a dust concentration of 200mg/m³, the anti-rust performance does not attenuate.
Differentiated competitiveness
Generator sets: When matched with QSK60-G3 diesel generator sets, for the generator sets, the coolant temperature difference remains stable within ±2°C (in an ambient temperature range of -30°C to 50°C), which guarantees precise control of the urea injection temperature of the SCR system.
Marine power: When matched with the QSK60-M marine main engine, it is certified by DNV-GL. It is resistant to high humidity corrosion in the seawater environment, and the maintenance cycle is extended to 15,000 hours.
Mining Machinery: When used in the Caterpillar 794 AC mining truck engine, under the working conditions with a dust concentration of 200mg/m³, the anti-rust performance does not attenuate.
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