ranroswang@hksparkling.com 
+86 138 2341 8469
SPARKLING 31N6-75020 Check Valve – Durable Excavator Hydraulic Part
The Check Valve Double (LH & RH) is a vital component in the hydraulic control system of Hyundai R200W-7 series wheel excavators. Engineered to maintain proper flow direction and pressure stability, these valves ensure precise hydraulic operation in both left-hand and right-hand configurations.
Key Features:
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Specifically designed for Hyundai R200W-7 / R200W-7A wheel excavators
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Ensures safe and controlled hydraulic flow
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Built with corrosion-resistant, high-pressure materials
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Precision machined for tight sealing and durability
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Compatible with OEM hydraulic assemblies
Introducing the SPARKLING 31N6-75020 check valve, engineered to deliver outstanding reliability and performance for your hydraulic systems. Manufactured by SPARKLING MACHINERY, a trusted brand since 2013, this check valve is designed with precision and durability in mind, ensuring stable operation even under the most demanding excavator conditions.
The 31N6-75020 check valve plays a critical role in preventing backflow in hydraulic circuits, safeguarding your equipment from potential damage and enhancing overall system efficiency. Crafted using high-quality materials, this valve withstands high pressure and extreme environments, making it ideal for integration with leading excavator brands such as Caterpillar, Komatsu, Hitachi, and Volvo.
At SPARKLING MACHINERY, we are committed to excellence through rigorous quality control and strict manufacturing standards. Our extensive product range, including hydraulic components, undercarriage systems, engine parts, and more, is tailored to meet diverse operational needs. We provide customized solutions backed by expert technical support and professional consultation, ensuring you get a product perfectly suited to your application.
Choosing the SPARKLING 31N6-75020 check valve means partnering with a company that values your equipment’s longevity and performance as much as you do. We offer competitive pricing without compromising quality, helping you reduce maintenance costs and downtime. Trusted worldwide, SPARKLING MACHINERY is dedicated to innovation, stability, and customer satisfaction.
Upgrade your excavator’s hydraulic system today with the SPARKLING 31N6-75020 check valve — precision-engineered for reliability and built to perform.
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Frequently Asked Questions
What types of excavator parts do you manufacture?
We manufacture a wide range of excavator parts, including hydraulic components, undercarriage parts, engine parts, wear parts, and more. Our products are designed to fit a variety of excavator models and are built to meet the highest quality standards.
Can I get technical support for installing your parts?
Absolutely. We provide technical support and guidance for the installation and maintenance of our parts. Our team is available to assist you with any questions or concerns to ensure proper installation and optimal performance.
Are your products covered by a warranty?
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Yes, all of our excavator parts come with a warranty to ensure quality and reliability. The warranty period may vary depending on the type of part. Please contact us for detailed warranty terms for specific products.
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What is the lead time for receiving excavator parts?
Our typical lead time depends on the complexity and quantity of the order. For standard parts, delivery usually takes between 7 to 14 days. For custom orders, the lead time may vary, but we always strive to ensure timely delivery.
R200W-7 R200W-7A WHEEL EXCAVATOR 31N6-75010 31N6-75011 CHECK VLV-DOUBLE,LH 31N6-75020 31N6-75021 CHECK VLV-DOUBLE,RH
The Check Valve Double (LH & RH) is a vital component in the hydraulic control system of Hyundai R200W-7 series wheel excavators. Engineered to maintain proper flow direction and pressure stability, these valves ensure precise hydraulic operation in both left-hand and right-hand configurations.
Key Features:
-
Specifically designed for Hyundai R200W-7 / R200W-7A wheel excavators
-
Ensures safe and controlled hydraulic flow
-
Built with corrosion-resistant, high-pressure materials
-
Precision machined for tight sealing and durability
-
Compatible with OEM hydraulic assemblies
VOLVO EXCAVATOR PARTS MADE IN CHINA NEW EW205D EW210C EW210D EW230C VOE14603102/4472399046 PIN SPARKLING MACHINERY
SPARKLING MACHINERY NEW EW205D EW210C EW210D EW230C VOE14603102/4472399046 Pin is a key structural fastener for 4 Volvo wheeled excavator models (construction/municipal use). It secures movable components (e.g., arm hinges, bucket joints) to maintain alignment and withstand operational loads, ensuring stable mechanical performance.
Meeting Volvo OEM standards (VOE14603102/4472399046), it resists -30°C to 85°C temps, corrosion, and impact, guaranteeing seamless compatibility and long-term reliability.
31NB-12140 Block for Hyundai Crawler Excavators R450LC7 R450LC7A R480C9MH R480LC9
The 31NB-12140 Hydraulic Manifold Block is a precision-engineered flow control core for Hyundai R450LC7, R450LC7A, R480C9MH, R480LC9 crawler excavators. It integrates multiple control valves to distribute, regulate, and redirect high-pressure hydraulic oil (max 35MPa) between pumps, cylinders, and motors, ensuring smooth boom, arm, and swing movements.
Key Features
· OEM-Matched Precision: CNC-machined carbon steel (42CrMo) body with 6 bolt-on ports (3/4" NPT), exact mounting dimensions (320×240×180mm) for Hyundai crawler excavators—no modification needed.
· High Pressure Resistance: Quenched-tempered surface (HRC 38–42) withstands 35MPa working pressure and 52.5MPa burst pressure, preventing deformation in extreme conditions.
· Leak-Proof Design: Precision lapped valve seats and nitrile rubber O-rings (temperature range -20°C to 100°C) eliminate internal/external leakage.
· Plug-and-Play Installation: Direct bolt-on fit with pre-drilled mounting holes; reduces replacement time to 2 hours
Compatible Models: This block is used in several 7-Series and 9-Series Hyundai crawler excavators, including:
· R450LC7, R450LC7A, R500LC7, R500LC7A, RD510LC-7 (7-series)
· R480C9MH, R480LC9, R480LC9A, R480LC9S, R520LC9, R520LC9A, R520LC9S (9-series)
· Interchangeable Part Numbers: 31NB-12140, 31NB12140, 31NB-12140X.
KOBELCO EXCAVATOR SK115SR SK135SR YV22E00001F8 YV22E00001F5 CPU CONTROLLER UNIT ORIGINAL
The YV22E00001F8 / YV22E00001F5 CPU Controller Unit is an original electronic control module designed specifically for KOBELCO excavators SK115SR and SK135SR. As the central brain of your machine’s electronic system, this controller ensures precise management of engine, hydraulic, and diagnostic systems, helping maintain peak performance and fuel efficiency.
Manufactured with high reliability standards, this OEM-grade controller unit is pre-programmed and ready for plug-and-play installation. It delivers accurate operational feedback, error detection, and optimized machine responsiveness, making it a critical replacement part for professional excavator maintenance.
Contact us
Email: ranroswang@hksparkling.com
Wechat: +86 136 0901 0879
Skype: foreverlucia1
WhatsApp: +86 136 0901 0879
Address: No. 514-515, Hulin Road, Tianhe District, Guangzhou, China.
Sparkling Machinery Co.,Ltd
foreverlucia1
Whatsapp: +8613609010879