Hot Runner Valve Pin:

1. Material: SKH51, SKD61 (can be custom-made according to customer requirements).

2. Hardness: HRC59-61 (SKH51), HRC50-55 (SKD61).

3. Tolerance: +/-0.001 mm

4. Surface treatments: Titanium nitride (TiCN) coating, chromium nitride coating, hard chrome plating, titanium aluminum nitride coating, nitriding, and nanoscale coatings (nARo2), among others. Surface hardness exceeds HV2400 (coatings available upon customer request).

5. Concentricity: 0.002mm

6. Precision: The precision of the effective mating area for the valve needle is within 0.002 mm, and valve needles of the same specification can be interchangeably matched with their corresponding valve sleeves.

7. Common valve needle size machining range: Diameter 2–13.5 mm; length 100–1500 mm.
Customized Processing
Is
Item Number
4.0–25
Type
Mold Hot Runner System
Brand
Ruiying
Model
4.0
Applicable Mold Type
Plastic mold
Product Alias
Valve needle sleeve, guide sleeve, bushing, elbow
Hardness
HRC59-61
Processing Technology
Lathe - Grinding Machine - Polishing - Coating
Material
SKH51

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