High-Quality 723-40-71900 Pressure Relief Valve for Komatsu PC220/300-8 Excavators
Introducing the robust and reliable 723-40-71900 Pressure Relief Valve, a crucial component designed specifically for Komatsu PC220-8 and Komatsu PC300-8 excavators. At Guangxi Huayang Engineering Machinery Equipment Co., Ltd., we pride ourselves on supplying top-quality aftermarket and genuine parts for a wide range of construction machinery, including excavators, bulldozers, and loaders from leading brands like Komatsu and Caterpillar. This pressure relief valve is essential for maintaining the hydraulic system's integrity and ensuring the safe and efficient operation of your valuable equipment.
Product Application and Compatible Models
The 723-40-71900 Pressure Relief Valve plays a vital role in the hydraulic system of Komatsu PC220-8 and PC300-8 excavators. Its primary function is to protect the hydraulic system from over-pressurization, preventing potential damage to critical components such as hydraulic pumps, hydraulic motors, control valves (distribution valves), and hydraulic cylinders (like bucket cylinders and boom cylinders).
Komatsu PC220-8 excavators are commonly used in various construction applications, including earthmoving, digging foundations, landscaping, and general construction projects. They are known for their versatility and efficiency in medium-sized excavation tasks. Komatsu PC300-8 excavators are larger and more powerful, typically employed in heavier construction, mining, and infrastructure development projects requiring significant digging power and material handling capacity. Ensuring the hydraulic system of these machines functions optimally with a reliable pressure relief valve is paramount for productivity and longevity.
Why Choose Guangxi Huayang for Your Excavator Parts?
Guangxi Huayang Engineering Machinery Equipment Co., Ltd. is your trusted source for a comprehensive range of construction machinery parts. We specialize in Komatsu and Caterpillar equipment, offering everything from undercarriage parts like track rollers (bottom rollers), carrier rollers (top rollers), sprockets (drive wheels), idlers (guide wheels), and track shoes (履带板) to essential hydraulic components like this pressure relief valve. We also supply transmission and power components (e.g., gearboxes, gears, Cummins engine parts) and wear parts such as bucket teeth (斗齿), track chains (链轨), pins and bushings (销轴/衬套), and high-strength bolts. Our commitment is to provide high-quality parts that meet or exceed OEM standards, ensuring your machinery operates at peak performance.
Frequently Asked Questions, Troubleshooting & Maintenance Tips
Q1: What happens if the pressure relief valve fails?
Answer: If the pressure relief valve fails, the hydraulic system may experience over-pressurization. This can lead to damage to other hydraulic components, such as seals blowing out, hoses bursting, or even damage to the hydraulic pump or hydraulic cylinders. It's crucial to replace a faulty pressure relief valve immediately.
Q2: How can I check if the pressure relief valve is working correctly?
Answer: Checking the pressure relief valve typically requires specialized hydraulic testing equipment to monitor the system pressure. Unusual noises from the hydraulic system, overheating hydraulic fluid, or slow or erratic operation of hydraulic components could indicate a problem with the pressure relief valve. Consult your excavator's service manual or a qualified technician for proper diagnosis.
Maintenance Tip: Regularly inspect your hydraulic system for leaks and ensure the hydraulic fluid level is correct. Contaminated or low hydraulic fluid can put extra strain on all hydraulic components, including the pressure relief valve. Follow the manufacturer's recommended maintenance schedule for your Komatsu excavator.
Multilingual Glossary of Komatsu & Caterpillar Parts
Komatsu PC200-8 Swing Motor - Chinese: 小松PC200-8回转马达 - Russian: Поворотный двигатель Komatsu PC200-8 (Located in the upper structure, responsible for rotating the excavator's cab and boom)
Caterpillar CAT 320D Travel Motor - Chinese: 卡特彼勒CAT 320D行走马达 - Russian: Ходовой двигатель Caterpillar CAT 320D (Located in the undercarriage, powers the movement of the excavator)
Komatsu D85A-18 Ripper Cylinder - Chinese: 小松D85A-18松土器油缸 - Russian: Цилиндр рыхлителя Komatsu D85A-18 (Located at the rear of the bulldozer, controls the movement of the ripper)
Caterpillar CAT 966H Bucket Cylinder - Chinese: 卡特彼勒CAT 966H铲斗油缸 - Russian: Ковшовый цилиндр Caterpillar CAT 966H (Located on the loader arm, controls the tilting of the bucket)
Komatsu PC360-8 Main Pump - Chinese: 小松PC360-8主液压泵 - Russian: Главный насос Komatsu PC360-8 (Located in the engine compartment, supplies hydraulic power to the system)
Caterpillar CAT 140G Grader Blade Cylinder - Chinese: 卡特彼勒CAT 140G平地机铲刀油缸 - Russian: Цилиндр отвала грейдера Caterpillar CAT 140G (Located on the front of the grader, controls the movement of the blade)
Komatsu WA470-6 Transmission Gear - Chinese: 小松WA470-6变速箱齿轮 - Russian: Шестерня трансмиссии Komatsu WA470-6 (Located inside the transmission, part of the power transmission system)
Caterpillar CAT 777D Water Pump - Chinese: 卡特彼勒CAT 777D水泵 - Russian: Водяной насос Caterpillar CAT 777D (Located on the engine, circulates coolant)
Komatsu PC450-8 Track Link - Chinese: 小松PC450-8履带链节 - Russian: Звено гусеницы Komatsu PC450-8 (Part of the undercarriage, connects the track shoes)
Caterpillar CAT D6R Sprocket Segment - Chinese: 卡特彼勒CAT D6R驱动轮齿块 - Russian: Сегмент звездочки Caterpillar CAT D6R (Bolted onto the drive wheel, engages with the track chain)
