Male Elbow Connector Engineering Machinery Parts 3171883 For Cummins Original

Material structure: forged chromium-molybdenum steel (42CrMo4) matrix + PTFE composite sealing layer, with a tensile strength of 1200MPa, while maintaining excellent impact toughness.

Fluid optimization: 45 ° and 90 ° double-angle design, so that the hydraulic oil pressure loss is reduced by 37% (compared with the ordinary right-angle fittings).

Suitability: Perfectly matched with the hydraulic system of the Cummins B/C/L series engine, and compatible with the hydraulic system of Komatsu, Volvo, and the hydraulic system of the Komatsu and the Volvo engines. system of Cummins B/C/L series engine, and also compatible with Komatsu, Volvo and other mainstream construction machinery brands

Multi-directional die forging

3-way forging with 8000 ton forging press, eliminating metal flow line fracture caused by traditional cutting

Grain size up to ASTM 8, fatigue life increased to 5 times of ordinary castings

Plasma nitriding strengthening

Surface hardness increased to HRC62 (base HRC28), wear resistance increased. HRC28), wear resistance increased by 300%

Formation of 15μm thick nitriding layer, corrosion resistance level through ISO 9227 1000 hours salt spray test

Seal surface laser polishing

Ra ≤ 0.2μm ultra-mirror surface treatment, to ensure that PTFE seals zero clearance fit

Seal contact pressure distribution uniformity error <5%

In the vibration and acceleration up to 15G mining machinery Mining machinery In the vibration acceleration up to 15G mining dump trucks, to achieve continuous 8000 hours without leakage

Excellent anti-particle wear performance, in the hydraulic oil containing solid impurities (ISO 4406 20/18 class) life extended by 3 times

Port lifting equipment

to withstand 20 times a minute of hydraulic shock, the joint root stress concentration coefficient ＜1.8 (the traditional design ＞3.0)

through the -30 ° C cold brittleness test, the impact work Maintenance rate >90%

Torque-angle dual-control fastening

Non-destructive quick-disassembly structure

Intelligent wear and tear early warning

Maintenance economy: compared with similar products in the market, the maintenance man-hours are shortened by 60%, and the demand for spare parts inventory is reduced by 45%.