12498088 Safety valve Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

12498088 Safety valve Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

As a core safety protection component of SANY equipment’s hydraulic system, the Sany 12498088 safety valve has deep roots in the construction machinery field. It precisely matches all SANY models, perfectly replacing original equipment manufacturer (OEM) safety valves. It solves pain points such as pressure deviation, poor sealing, leakage, insensitive opening and closing, and overpressure protection failure. Widely used in core components such as hydraulic pumps, hydraulic cylinders, and hydraulic pipelines of various construction machinery including excavators, cranes, and mining equipment, it can quickly release pressure to protect pipelines and components when the system is overpressured, and replenish oil to prevent cavitation when the system is under negative pressure. It is a core guarantee for the safe operation of equipment hydraulic systems and the prevention of component damage, and is also the preferred product for the maintenance, replacement, and spare parts reserve of construction equipment.
The Sany 12498088 safety valve focuses on the core safety protection needs of hydraulic systems. It adopts a spring-loaded full-opening structure design with controllable opening and closing pressure differential. The valve disc and seat feature a hard-seal design with cobalt-based alloy overlay, providing superior pressure resistance, wear resistance, and sealing performance. It effectively withstands the impact of complex and harsh operating environments on construction machinery, accurately monitors hydraulic system pressure fluctuations, and quickly opens to release pressure when the system pressure exceeds a preset threshold. When negative pressure occurs in the system, it promptly replenishes oil, preventing damage to hydraulic pipelines, cylinders, and other components due to overpressure rupture or negative pressure cavitation. It also avoids problems such as weak equipment movement, boom drop, and deviation caused by safety valve malfunction, significantly extending the overall service life of the equipment and safeguarding construction projects.

Core technical parameters:

– Product Model: Sany 12498088
– Product Name: Safety Valve (SANY Dedicated, OEM Replacement, Dedicated for Hydraulic Safety Protection)
– Material: High-quality carbon steel, with optional 316L stainless steel or chrome-molybdenum steel (customizable upon request).
– Manufacturing process: Precision forging + CNC machining + surface anti-corrosion treatment + pressure setting and calibration + sealing test
– Pressure parameters: Set pressure range 2.1-10.3MPa, working pressure ≤31.5MPa, burst pressure ≥95MPa, opening/closing pressure difference ≤10% of set pressure.
– Dimensions: Nominal diameter DN15, outer diameter 45mm, length 85mm, mounting threads M27×2 (precisely matches original factory dimensions, customization available)
– Accuracy class: Pressure setting accuracy ±5%, sensitive opening and closing, response speed ≤50ms
– Temperature range: -29℃ to 120℃, suitable for high and low temperature working environments in different regions, oil resistant and high temperature resistant.
– Compatible models: Sany excavators, cranes, hydraulic power units and other series of construction machinery (precisely matches original factory models, can be customized as needed)
– Sealing performance: Hard seal structure, IP65 sealing rating, zero leakage design, effectively preventing oil leakage.
– Compliant with ISO 9001, GB/T 12243, and SANY original technical standards; conforms to the industry specifications for safety valves in construction machinery.
– Service life: Under normal operating conditions, the service life is no less than 8000 hours, which is 30% more durable than ordinary safety valves.

We specialize in the R&D and supply of Sany construction machinery parts. Our Sany 12498088 safety valve undergoes original factory manufacturing processes and rigorous quality control to prevent substandard products from entering the market. We provide customers with cost-effective and highly compatible parts solutions. Products are available for bulk purchase and retail, with readily available stock and fast delivery. We also offer comprehensive after-sales support to address your purchasing and usage concerns.

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1 A210206000027 Output gear shaft assembly
2 60008610 Screws
3 A210342000009 Oil Cup
4 60196731 Screw plug
5 120301140261C Rotary shaft lip seal
6 JSJ004674578 Rolling bearing
7 14194158 Spacer II
8 24000579 Planetary Carrier II Assembly
9 14185644 Planetary Carrier I Assembly
10 A229900007362 retaining ring
11 14185246 Internal gear ring
12 A210111000053 Screws
13 24001173 Input housing
14 14185351 Bolt
15 14185352 Screw plug
16 61021631 Oil pipe
17 12410120 Ventilation Cap
18 14185353 O-ring
19 14185354 Dust cover
20 14185513 Oil level indicator
21 14185664 Pipeline II
22 120108030058C Sun Gear I
23 JSJ004674589 Sun Gear II
24 60052005 retaining ring
25 13815749 Output housing
26 12498088 Safety valve
27 JSJ007867159 Nameplate
28 Quick Rivets
29 Repair Kit

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