High Precision Die Steel Manifold Block Hydraulic System Oil Block Valve Blocks
Precision-engineered die steel hydraulic manifold blocks—machined for ultra-high pressure resistance, dimensional accuracy, and leak-proof performance, ideal for industrial hydraulic systems, construction machinery, and automation equipment valve integration.
| Parameter | Key Details |
|---|---|
| Material | H13 Die Steel: Excellent toughness, high hardness (50–55 HRC after heat treatment), and wear resistance; withstands hydraulic pressure up to 42 MPa.4140 Alloy Steel (Optional): High tensile strength, good machinability, cost-effective for medium-pressure hydraulic systems (≤31.5 MPa).P20 Die Steel (Optional): Superior polishability and dimensional stability, suitable for complex internal oil channel machining. |
| Processing Capabilities | 3/4/5-axis CNC precision milling/drilling, deep hole drilling (oil channels φ2–φ20mm, depth-to-diameter ratio up to 30:1), counterboring (for valve cartridge seating), tapping (M6–M24 hydraulic port threads), honing (for internal oil channel smoothness); heat treatment (quenching + tempering) for hardness enhancement; 100% CMM dimensional inspection; hydraulic pressure testing (1.5× working pressure) for leak-proof verification. |
| Tolerance & Precision | Dimensional tolerance ±0.01–±0.03mm; oil channel position tolerance ≤0.02mm; valve seat bore tolerance H7 (±0.015mm) for cartridge valve fit; flatness ≤0.02mm/m; surface roughness Ra 0.2–0.8μm (internal oil channels Ra ≤1.6μm to reduce pressure loss); compliant with ISO 4401 hydraulic manifold standards. |
| Surface Finish & Treatment | Nitriding: Surface hardness ≥900 HV, wear resistance 5x higher than untreated steel; salt spray resistance ≥800h, prevents corrosion from hydraulic oil and moisture.Black Oxide Coating (Optional): Improves rust resistance during storage and installation; reduces light reflection for industrial equipment aesthetics.Deburring & Cleaning: High-pressure water jet cleaning of internal oil channels to remove machining chips; edge chamfering (0.3–0.5mm) to prevent seal damage during valve assembly. |
| Compatibility | Fits industrial hydraulic power units, construction machinery (excavators, loaders), injection molding machines, and automated production line hydraulic systems; compatible with cartridge valves, pressure relief valves, and flow control valves; supports standard hydraulic port connections (BSP, NPT, metric threads); customizable internal oil channel layouts for OEM hydraulic circuit designs. |
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