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 machining range: Diameter ø2–ø10 mm; length 150–1500 mm.
Brand
Ruiying
Product Alias
Valve needle sleeve, positioning sleeve, valve seat, elbow
Applicable Mold Type
Plastic mold
Item Number
RY206
Surface Treatment
Aluminum Titanium Nitride / Titanium Nitride / Chromium Nitride / Titanium Carbonitride
Entity Processing
High-temperature heat treatment + cryogenic treatment

Factory direct sales: Precision, wear-resistant universal valve pins—hot runner valve pins and PET valve pin elbows.

〖High-Temperature Resistance〗Valve Needle, Valve Sleeve, Positioning Sleeve, and Elbow Specifically Designed for Needle Valve Hot Runner Systems

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