Hot runner valve pin:

1. Materials: SKH51, SKD61, and others (custom-made available upon customer request).

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, aluminum titanium nitride coating, nitriding, and nanoscale coatings (nARo2), among others—each achieving a surface hardness of HV2400 or higher (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
5-300
Type
Mold Hot Runner System
Brand
Ruiying
Model
5-300
Applicable Mold Type
Molding Die
Product Alias
Valve needle / Valve core / Valve sleeve / Guide sleeve
Surface Treatment
Aluminum Titanium Nitride / Titanium Nitride / Chromium Nitride / Titanium Carbonitride
Material
High-speed steel/SKH51/SKH-9
Hardness
HRC59-61

PET Mold Hot Runner PET Titanium-Coated Wear-Resistant Valve Pin Elbow [Extra Long, 1500mm]

Source manufacturer: Ultra-precise plastic mold hot runner valve pin, valve sleeve, and elbow guide sleeve [one unit replaces ten]

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