3349823 XCMG GR2605 motor grader flange

3349823 XCMG GR2605 motor grader flange

The 3349823 flange is a standard sealing and mating component used in engineering machinery for connecting pipelines, valve blocks, or components. It primarily provides a flat mounting surface, ensures a seal, transmits loads, and enables reliable fluid communication, featuring high strength and precise installation positioning.

Core Technical Parameters

Model: 3349823, a specific part number for the standard flange assembly. Its nominal diameter, pressure rating, and bolt hole distribution are strictly matched to the target system.

Suitable Media: Suitable for commonly used fluids in engineering machinery such as hydraulic oil, lubricating oil, compressed air, and water-glycol.

Material: Commonly made of 45# steel, Q235B carbon steel, or stainless steel, forged or machined to ensure sufficient mechanical strength and dimensional stability.

Working Pressure: Depending on the design, it is typically suitable for medium to high pressure systems. Specific working pressure ranges (e.g., 0-31.5MPa) should be referred to specific specifications.

Working Temperature: -20℃ ~ 120℃, adaptable to the normal operating temperature range of hydraulic systems. Material stability ensures reliable operation within this range.

Specifications and Dimensions: Key dimensions include flange outer diameter, center bore, bolt hole pitch circle diameter, number and diameter of bolt holes, and sealing groove dimensions (e.g., O-ring groove or gasket groove), which must be completely consistent with the mating flange.

Sealing Type: O-ring seals, metal flat gasket seals, or combination gasket seals are commonly used. The specific type depends on the design and must be used with matching seals.

Core Functions and Roles

As a fundamental connecting element between hydraulic, lubrication, pneumatic, and other piping systems or components, its core function is to achieve a reliable, sealed connection between two components. It provides a flat, robust mounting surface, and bolts are used to fasten two flanges together, compressing the intermediate seal to form a static seal, thereby reliably connecting or blocking the flow path. The flange design can withstand system pressure, transmit the preload of the connecting bolts, and some of the pipeline stress, ensuring that the connection does not leak or loosen under high pressure and vibration conditions. Standardized design facilitates pipeline installation, disassembly, and maintenance, making it a key structural component ensuring the sealing integrity and operational reliability of fluid transmission systems.

Suitable Applications

Widely used in hydraulic systems (such as connections for pumps, valves, cylinders, and pipelines), lubrication systems, pneumatic control systems, and connections for some structural components in construction machinery. Commonly found in critical connection points such as central rotary joints, multi-way valve blocks, hydraulic oil tanks, and oil pump inlets/outlets in excavators, cranes, and pump trucks. Suitable for heavy-duty working environments with high pressure, high impact, and continuous vibration.

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17 3454023 Set
18 72637 Lubricating Oil Cup
19 70262 Bolt M20×1.5×70
20 3461703 Locking Plate
21 3454043 Washer
22 3349823 Disc
23 3454033 Washer
24 3349913 Adjusting Shim 0.45
25 3463783 Adjusting Shim 0.18
26 3349903 Adjusting Shim 0.15
27 3516073 Seal
28 3454813 Support
29 70398 O-ring

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