5pcs G3/8 Hydraulic Flow Control Valve L08 Alloy Steel Restrictor

5-Pack G3/8 Hydraulic Flow Control Valve – L08 Model | Alloy Steel Bidirectional Restrictor

Keep your mini excavator running at peak performance with this precision-engineered set of five G3/8 hydraulic flow control valves. Designed to fit 1–2 ton mini excavators, these STB G3/8 replacement valves deliver accurate hydraulic oil flow regulation for smooth, reliable control of your boom and bucket — all in a durable alloy steel construction built to handle demanding job-site conditions.

Made in Mainland China.

Key Features

• Wide Compatibility: Engineered for hydraulic systems found in 1–2 ton mini excavators. Directly replaces STB G3/8 valves with no modifications needed.
• Precise Fit: Standard L08 metric threads with M14 connectors; pre-adjusted and compatible with DIN metric fittings straight out of the box.
• Accurate Flow Control: Engineered for fine adjustment of hydraulic oil flow, enabling accurate speed control of hydraulic cylinders and motors to maximize excavator efficiency.
• Rugged Alloy Steel Construction: High-strength carbon/alloy steel withstands elevated pressure environments, resists wear and surface oxidation, and maintains its shape over extended service life.
• Upgraded Valve Design: Precision-machined valve cores and reinforced sealing structures enhance control accuracy for excavator boom and bucket movements.

Specifications

What's in the Box

• 5 × Hydraulic Flow Control Valve (L08 Model)
• 4 × Connecting Fittings (per valve set)

Installation

These valves come pre-adjusted for a fast, straightforward installation. Simply fit the valve into your hydraulic system using the included connecting fittings and DIN metric connections — no special tools or calibration required.

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Frequently Asked Questions

Q: Which excavator models are these G3/8 hydraulic flow control valves compatible with?

A: These L08 model hydraulic flow control valves are designed for 1–2 ton mini excavators that use STB G3/8 fittings and DIN metric connections. They directly replace STB G3/8 valves and are pre-adjusted for a precise fit. Always verify your excavator's hydraulic fitting specifications before installation.

Q: What is included in the 5-piece package?

A: Each order includes 5 hydraulic flow control valves (L08 model, G3/8 thread) along with connecting fittings. The valves are pre-adjusted and ready to install.

Q: What material are these hydraulic valves made from, and how durable are they?

A: The valves are constructed from high-strength alloy steel (carbon steel), which offers excellent resistance to high-pressure environments, surface oxidation, and wear. The precision-machined valve cores and reinforced sealing structures ensure long service life and consistent performance on the job site.

Q: Are these bidirectional restrictor valves easy to install?

A: Yes. The valves feature standard G3/8 (3/8 inch) metric threads and M14 connectors, and come pre-adjusted to match your excavator's DIN metric fittings. Installation is straightforward — simply connect and secure using the included fittings.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.