Hot Runner Valve Pin:

1. Material: 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: 0.002 mm

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 2–10 mm; length 100–1,500 mm.
Brand
Ruiying/Panqi
Product Alias
Valve needle / Valve sleeve / Valve core / Valve shaft / Bushing
Injection molding material
PE
Is it a dedicated supply source for cross-border exports?
Is
Coat material
SKH51
Type
Mold Hot Runner System
Heated Nozzle Body Material
S136
Applicable Mold Type
Plastic mold
Item Number
RY022
Surface Treatment
Aluminum Titanium Nitride / Titanium Nitride / Chromium Nitride / Titanium Carbonitride
Entity Processing
High-temperature heat treatment + cryogenic treatment

〖No Needle Jamming, No Glue Leakage〗 Valve Needle & Sleeve with Precise Fit, Titanium-Plated, Wear-Resistant High-Speed Steel—Manufacturer of Hot Runner Systems

None

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