US$2.00-8.00 Pilot Operated Valve YN30V00105R120 for KOBELCO SK200-8 from Guangzhou Sanjiang

On a busy construction site, smooth excavator operation hinges on precise hydraulic control. The Pilot Operated Valve YN30V00105R120 for KOBELCO SK200-8, supplied by Guangzhou Sanjiang Machinery Equipment Co., Ltd., provides that control, helping…

At a Glance

The Pilot Operated Valve YN30V00105R120 targets the hydraulic pilot circuit of KOBELCO SK200-8 excavators. Identified as a SANJIANG-branded part, it is manufactured in Guangdong, China, and distributed by Guangzhou Sanjiang Machinery Equipment Co., Ltd. The component carries a 3-month warranty and is sold as a single unit, priced from US$2.00 to $8.00 depending on quantity and ordering particulars. This product fits squarely into the construction machinery parts category, used in equipment deployed across infrastructure, mining, and material handling projects.

Field reports note that pilot valves like this one see regular swaps in fleets running high-hour machines. Given its low unit cost, many procurement teams keep spares on hand to reduce wrench time when a pressure modulation issue arises.

Product Description

Pilot operated valves are fundamental to modern excavator hydraulics. They receive low-pressure inputs from operator joysticks and translate them into proportional oil flow to control larger directional valves. In an SK200-8, several such valves manage functions like boom up/down, arm in/out, bucket curl, and swing. The YN30V00105R120 is designed as a direct replacement, matching the OEM fitment without requiring modifications.

For maintenance crews, the installation is straightforward. Once the old valve is removed from the pilot block, the new unit bolts in place and connects to the same hydraulic lines. In a typical depot, a technician checks for debris, mounts the valve, torques fittings, and bleeds the system—often within a single shift. No special tooling is needed beyond standard hydraulic wrenches and cleanliness protocols.

Below are the key specifications as provided by the supplier:

While video inspection and formal machine test reports are not offered for this SKU, the supplier’s long-standing presence in the excavator parts market gives buyers reasonable confidence. Customers are encouraged to request any additional quality checks at the time of ordering.

Applications

The KOBELCO SK200-8 is a mid-size excavator commonly found on building foundations, roadworks, utility trenching, and light demolition sites. Its hydraulic system relies on a bank of pilot valves to ensure fine control under varying loads. The YN30V00105R120 thus fits a broad spectrum of earthmoving tasks.

Consider a site clearing operation where the excavator spends hours feeding a crusher. Dust, vibration, and temperature changes take a toll on hydraulic components. A sticky pilot valve can result in jerky movements that slow the cycle and stress the boom structure. Having a replacement on hand, like this economically priced unit, allows operators to swap the part during a lunch break and avoid dispatching a service truck.

Similarly, in a scrap handling facility, the SK200-8 might be fitted with a grapple. Precise valve actuation is critical for sorting and loading. If the grapple fails to close evenly, the root cause often traces back to a pilot valve not delivering consistent pressure. The YN30V00105R120 addresses this by restoring factory calibration specifications.

Manufacturing plants that use stationary excavator attachments for material transfer—like in a steel mill slag pit—also benefit from the valve’s compatibility. Since it is sold as a single unit, maintenance planners can stock only what they need without excess inventory.

Company Profile

Guangzhou Sanjiang Machinery Equipment Co., Ltd. operates as a supplier of machinery parts, with a focus on excavator components. Their product line includes bearings, hydraulic pumps, engine assemblies, electrical parts, and a wide range of replaceable units for heavy equipment. Based in Guangdong, China, the company sources and distributes parts for global markets, often serving buyers who maintain mixed fleets of Asian-brand excavators.

The firm’s catalog covers both OEM and aftermarket equivalents, catering to cost-conscious maintenance operations. For the YN30V00105R120, they act as a distributor of the SANJIANG brand, ensuring availability for customers who need quick turnaround on KOBELCO-specific parts. While they do not provide video inspection or test reports for this particular item, their product information is transparent, and they encourage direct communication for any pre-purchase inquiries.

More Information

Buyers looking to verify compatibility or confirm lead times can contact Guangzhou Sanjiang Machinery Equipment Co., Ltd. directly via their preferred business platform. The supplier can provide current pricing, shipping options, and any additional technical details not listed in public documents.

For fleet managers handling multiple SK200-8 units, discussing bulk orders may yield further cost savings. The product’s single-item packaging means logistics can be tailored to immediate needs without over-commitment.

FAQ

What warranty applies to this valve?

The YN30V00105R120 comes with a 3-month warranty from the date of purchase, covering manufacturing defects under normal use conditions.

Where is the valve produced?

It is manufactured in Guangdong, China, and branded as SANJIANG. The supplier, Guangzhou Sanjiang Machinery Equipment Co., Ltd., is the point of sale for international orders.

Can I get a video inspection or test report before shipping?

According to the supplier, video outgoing-inspection and machinery test reports are not offered for this SKU. Buyers should arrange any required third-party inspections independently if needed.

Disclaimer

All product details, specifications, and warranty terms in this report are based on information provided by Guangzhou Sanjiang Machinery Equipment Co., Ltd. and are subject to change. Prospective purchasers must verify technical compatibility, warranty coverage, and quality assurance procedures with the supplier before finalizing an order. This article is for informational purposes only and does not constitute an endorsement.

Related product: Pilot Operated Valve YN30V00105R120 for KOBELCO SK200-8