Hot Runner Valve Pin:

1. Material: SKH51, SKD61, and others (materials can be specified).

2. Hardness: HRC59-61 (SKH51), HRC52-55 (SKD61).

3. Tolerance: 0.001 mm (shaft diameter), 0.001 mm (bore)

4. Surface treatments: Titanium nitride (TiCN) coating, chromium nitride (CrN) 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–0.005mm

6. Precision: The precision of the effective mating area for the valve needle is within 0.001 mm, and valve needles of the same specification can be interchangeably matched with their corresponding valve sleeves.

7. Common valve needle size range for machining: Diameter ø2–ø10 mm; length 150–1500 mm.
Customized Processing
Is
Item Number
RY004
Type
Mold Hot Runner System
Brand
Ruiying/Panqi
Model
ø8
Applicable Mold Type
Plastic mold
Product Alias
PET needle valve, needle sleeve, guide sleeve

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