60075548 Check Valve Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

60075548 Check Valve Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

As a core anti-backflow component in fluid control systems, the 60075548 check valve boasts four major advantages: unidirectional flow, tight sealing, flexible opening and closing, and high pressure resistance. It is widely used in heavy equipment and pipelines such as cranes, excavators, heavy-duty presses, and hydraulic accumulator circuits. It plays a role in directional transport of media and preventing backflow. It automatically opens and closes by relying on the pressure difference of the media to overcome the spring force, without the need for additional power. It can avoid the hidden dangers of impeller reversal and component wear caused by media backflow, ensuring stable system operation. It is compatible with various models and is easy to install.
This product is made of high-quality materials and precision-machined, strictly adhering to the industrial standards GB/T 12224-2015 and JB/T 10696-2006. The main body is made of 45# forged steel (304/316L stainless steel can be customized), the valve core is a hardened steel ball, and the seals are made of oil-resistant nitrile rubber (NBR). Manufactured through multiple processes, it boasts a dense, defect-free structure with excellent high-pressure resistance, wear resistance, and corrosion resistance, effectively solving problems such as seal failure and valve core jamming, thus reducing maintenance costs. Its direct-acting design features low flow resistance and rapid opening and closing, adapting to pressure ratings from PN31.5 to PN42, balancing reliability and convenience, and precisely matching the backflow prevention requirements of high-pressure hydraulic systems.

Core technical parameters:

-Product Model: 60075548
-Product Name: Check Valve (for preventing backflow)
– Compatible models/scenarios: cranes, excavators, heavy-duty presses, hydraulic accumulator circuits, etc. (Specifications can be verified)
– Structure type: Direct-acting spring ball structure, with integrated valve core, spring and seals, automatic opening and closing due to pressure difference, no additional power required, achieving zero leakage.
– Material Specifications: Body made of 45# forged steel (304/316L stainless steel can be customized), valve core made of hardened steel ball, NBR seals, surface galvanized/passivated for corrosion protection.
– Dimensions: Compatible with DN25 pipes, nominal diameter 25mm, valve body length 78mm, inlet/outlet diameter 25mm, tolerance GB/T 1804-m, flatness ≤0.005mm
– Pressure parameters: Rated working pressure PN31.5MPa, maximum burst pressure 94.5MPa, leakage ≤0.01ml/h, opening pressure ≤0.1MPa
-Mechanical parameters: Rockwell hardness HRC40-45, tensile strength ≥520MPa, impact toughness ≥80J/cm², valve core opens and closes smoothly without jamming.
– Environmental parameters: Operating temperature -40℃ to 120℃, adaptable to dusty and oily working conditions, rust-resistant, aging-resistant, and resistant to media corrosion.
– Machining process: Precision forging + CNC turning + precision grinding + corrosion protection + sealing adjustment, resulting in a burr-free surface and precise dimensions.
-Installation method: Threaded/flange connection. The direction of media flow must be considered. The mounting surface must be clean. Do not subject to impact or reverse installation.
-Quality Standards: Compliant with GB/T 12224-2015 and JB/T 10696-2006 standards; fully tested and accompanied by a certificate of conformity.
-Service life: ≥5000 hours under normal operating conditions, ≥3000 hours under high pressure and heavy load, far exceeding that of ordinary aftermarket products.

Our 60075548 check valve undergoes rigorous testing and debugging, ensuring traceable quality and reliable after-sales service. We support bulk purchasing and customization, meeting the backflow prevention requirements of equipment and pipelines, making it a preferred component for fluid control systems.

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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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