803192422 XCMG GR2605 motor grader o-ring

803192422 XCMG GR2605 motor grader o-ring

Part Number: 803192422
Compatible Model: XCMG GR2605 Grader
Product Positioning: Customized for the hydraulic system of the GR2605 grader, adapting to the static/dynamic sealing of key components such as the 803077032 piston pump, multi-way valve, and flange interface to prevent high-pressure hydraulic oil leakage.

Key Technical Parameters

1. Sealing and Pressure Performance
Rated Working Pressure: ≤35MPa (suitable for high-pressure hydraulic systems, compatible with piston pump working pressure)
Leakage Rate: ≤0.001cm³/h (under rated pressure)
Applicable Media: Compatible with anti-wear hydraulic oil, lubricating oil, fuel oil, and other commonly used media in engineering machinery
Working Speed: Unlimited for static sealing, ≤0.8m/s for dynamic sealing

2. Structure and Dimensions
Structure Type: Standard O-ring (circular cross-section)
Dimensional Standard: Complies with GB/T 3452.1-2005 O-ring standard
Core Dimensions: Inner diameter × wire diameter = 42mm × 6.5mm (tolerance ±0.15mm)
Hardness Grade: Shore hardness 80±5HA (balancing high-pressure sealing force and flexibility)

3. Material and Weather Resistance
Body Material: Imported fluororubber (FKM/Viton), excellent chemical stability
Operating Temperature Range: -25℃~160℃ (wide temperature range suitable for high-temperature operation of plunger pumps)
Abrasion Resistance: Wear ≤0.015cm³ (ASTM D1646 test standard)
Aging Life: ≥6000 hours of continuous operation at 120℃
Tear Strength: ≥15kN/m (suitable for tensile deformation under high pressure)

Core Functions and Application Scenarios

1. Main Functions
Static Sealing: Used for sealing static parts such as inlet and outlet flanges of plunger pumps, valve assembly end faces, and pipe joints.
Dynamic Sealing: Suitable for sealing interfaces of low-speed moving parts such as valve cores and piston rods, withstanding high-pressure impacts.
Anti-fouling Protection: Blocks the intrusion of external dust and mud, protecting the internal cleanliness of core components such as plunger pumps.
Buffering and Vibration Reduction: Utilizes rubber elasticity to buffer interface vibration, reduce wear on sealing surfaces, and extend component life.
2. Suitable Operating Conditions: Heavy-duty, high-pressure operations such as mining stripping and large-scale infrastructure construction (matching piston pump operating scenarios); Hydraulic systems with high pressure, high-frequency vibration, and large temperature fluctuations in the medium; Harsh operating environments with high dust levels, mud and water corrosion, and contact with chemical media; High-temperature conditions requiring long-term continuous operation of piston pumps.

Product Advantages

Original Equipment Manufacturer (OEM) Compatibility: Precisely matches the sealing groove dimensions of GR2605 hydraulic components, especially compatible with the 803077032 piston pump interface, allowing direct installation without modification.
High-Pressure Seal: Fluororubber material + 80HA hardness design, leak-free under 35MPa high pressure, strong sealing stability.
Durable: Resistant to high and low temperatures (-25℃~160℃), anti-aging, wear-resistant, with a service life more than 2.5 times that of ordinary rubber O-rings.
Operating Condition Compatibility: Specifically designed for high-pressure components such as piston pumps, compatible with various media in construction machinery, meeting the needs of high-pressure and high-temperature operating conditions.
Easy Installation: Flexible structural design, simple disassembly and assembly, high maintenance and replacement efficiency, reducing downtime for maintenance.

Get a personalized quote now

1. 803268867 Fitting RED15/12LOMDCF
2. 803172037 Fitting EL15LOMDCF
3. 803190789 Flange Fitting GFS33/15LOMDCF
4. 803077467 Gear Pump WP15A1B330L05KA146N
5. 805006413 Bolt M12×35 GB/T5783-2000
6. 805338280 Gasket 12GB/T97.1-2002
7. 803191082 Flange Fitting GFS34/35LOMDCF
8. 380300729 Paper Gasket
9. 803304451 Fitting EW15LOMD71
10. 803164300 Fitting GE15L7/8UNFOMDCF
11 803190999 Fitting GE08L7/16UNFOMDCF
12 803164728 Fitting GE12L7/16UNFOMDCF
13 803424763 Flange Fitting GFS34/22LOMDCFU
14 803077032 Piston Pump FRL074BLS2617
15 803402646 Flange Assembly 5151HK-32
16 805338261 Gasket 12 GB/T93-1987
17 803192422 O-ring 125×2.65 GB/T3452.1-2005

*For other spare parts procurement needs, please contact us!