60075552 Valve cover Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

60075552 Valve cover Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

The 60075552 valve cover boasts four major advantages: tight sealing, high strength, corrosion resistance, and easy assembly. It is widely used in heavy equipment and valve systems such as excavators, cranes, industrial gate valves, and hydraulic valve assemblies. It plays a crucial role in sealing, protecting, and securing internal valve components such as the valve core, valve stem, and seals. Utilizing a raised face connection combined with a spiral wound gasket seal, it effectively prevents media leakage and avoids the entry of dust, oil, and other impurities into the valve, preventing component wear and ensuring stable valve system operation. It is compatible with various machine models and valve specifications, and its convenient installation allows for direct use, perfectly meeting the core sealing and protection requirements of industrial valves.
This product is made of high-quality materials and precision-machined, strictly adhering to API602 and GB/T 12224-2015 industrial standards. The main body is made of A105 carbon steel (304/316L stainless steel and alloy steel can be customized), and the sealing surface uses 304 stainless steel with flexible graphite spiral wound gaskets. It is manufactured through precision forging, CNC machining, and surface anti-corrosion treatment, resulting in a dense structure free of sand holes, air holes, and other defects. It possesses excellent high-pressure resistance, wear resistance, and rust resistance, effectively solving problems such as valve cover sealing failure, deformation, and corrosion, reducing equipment maintenance costs. Its bolt-type connection design allows for the selection of metal ring connections upon request, facilitating easy assembly and disassembly. It is compatible with PN16-PN31.5 pressure ratings, balancing sealing reliability and assembly flexibility. It precisely matches the sealing protection requirements of hydraulic valves in engineering machinery and industrial shut-off valves, meeting environmental protection requirements for zero external leakage.

Core technical parameters:

-Product Model: 60075552
-Product Name: Valve Cover (for sealing and protection, bolt type)
– Compatible Models/Scenarios: Heavy construction machinery such as excavators and cranes, industrial gate valves, hydraulic valve groups, chemical pipeline valves, etc. (Specifications can be verified)
– Structural Type: Bolted valve cover with raised face connection, sealed with 304 stainless steel flexible graphite spiral wound gasket. Metal ring connection can be selected as needed. Features precise bolt holes for sealing and securing internal valve components. Compatible with welded and self-sealing valve assemblies.
-Material Specifications: Main body A105 carbon steel (304/316L stainless steel and F22 alloy steel can be customized), sealing gasket is 304 stainless steel with flexible graphite, surface galvanized/passivated for corrosion protection, conforming to QB/T 3827-1999 corrosion protection standard.
– Dimensions: Compatible with DN25 valves, outer diameter 110mm, thickness 18mm, 4 bolt holes, hole spacing 85mm, sealing surface flatness ≤0.005mm, dimensional tolerance GB/T 1804-m, compatible with ASME B16.11 socket standard.
– Pressure parameters: Rated working pressure PN31.5MPa, maximum pressure 94.5MPa, sealing leakage ≤0.01ml/h, suitable for medium and high pressure valve conditions, conforming to ASME B16.34 pressure and temperature standards.
-Mechanical parameters: Rockwell hardness HRC38-43, tensile strength ≥520MPa, flexural strength ≥260MPa, free of sand holes and air bubbles, not easily deformed or cracked, with excellent load-bearing capacity.
-Environmental parameters: Operating temperature -30℃ to 425℃, adaptable to dusty, humid, oily, and corrosive working conditions; rust-resistant, aging-resistant, and resistant to hydraulic oil and various industrial media corrosion.
– Manufacturing process: Precision forging + CNC turning + precision grinding and polishing + surface anti-corrosion treatment. The surface is burr-free and oxidation-free, the sealing surface is smooth, and the bolt hole positions are precise, perfectly meeting the valve assembly requirements.
-Installation method: Bolt fixing connection, using A193 B7 bolts. Before installation, clean the sealing surface and replace the sealing gasket. Tighten the bolts evenly, and avoid violent impacts and overloading to ensure sealing performance.
-Service life: ≥6000 hours under normal operating conditions, ≥4000 hours under high pressure and heavy load conditions, far exceeding that of ordinary aftermarket valve covers, effectively extending the overall service life of the valve system.

Our 60075552 valve cover undergoes rigorous quality testing, ensuring traceability and reliable after-sales service. We support bulk purchasing and customization of materials and sizes. It can be adapted to various valve assemblies, including bolt-on and welded types, meeting the sealing, protection, and component fixing needs of engineering machinery and industrial valves. It is the preferred component for valve system maintenance and replacement.

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22 60100467 Blocked
26 60075542 (Traffic jam)
27 60202293 O-ring
31 60075591 Spring
32 60075548 Check valve
38 60357901 Flange
39 60357906 Logic control valve
40 60357904 Boom 1 Logic Valve
41 60281369 Square circle
42 150602080013A007 Bolt
43 60075549 Check valve
44 150602080013A028 Spring
45 60075540 (Traffic jam)
47 60075552 Valve cover
48 60100512 Socket headstock screw
51 60319532 O-ring
60 60221657 O-ring

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