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/Panqi
Product Alias
Valve needle
Standard
ISO9000
Is it a dedicated supply source for cross-border exports?
Is
Material
High-speed steel
Hardness
HRC60
Applicable Mold Type
Plastic mold
Item Number
5-130
Surface Treatment
Chromium nitride/Titanium nitride/Aluminum titanium nitride
Entity Processing
High-Temperature Heat Treatment / Cryogenic Treatment

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

High-hardness HRC59-61°, high-temperature resistant, wear-resistant hot runner valve pin, valve sleeve, valve core with titanium coating, bottle preform valve pin

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