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
RY017
Type
Mold Hot Runner System
Brand
Ruiying, Pankqi, Mismi
Model
∮6 × 1000
Applicable Mold Type
Plastic mold
Product Alias
Valve core, slide pin
Surface Treatment
Aluminum Titanium Nitride / Titanium Nitride / Chromium Nitride / Titanium Carbonitride
Material/Ingredients
High-speed steel/SKH51/SKH-9/SKD61
Entity Processing
High-temperature heat treatment + cryogenic treatment

Factory-direct mold hot runner valve needle valve sleeve [one replaces ten]—durable, wear-resistant sliding pin

MASTIP: High-Quality, High-Standard Manufacturer-Machined Titanium-Coated Valve Needle and Sleeve

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