Hot Runner Valve Pin:

1. Material: SKH51, SKD61 (can be custom-made according to customer requirements).

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 nanometer-scale coatings (nARo2), among others—each achieving a surface hardness of HV2400 or higher (coatings available upon customer request).

5. Concentricity: 0.002mm

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 2–13.5 mm; length 100–1500 mm.
Customized Processing
Is
Item Number
5 × 150
Type
Mold Hot Runner System
Brand
Ruiying
Model
Valve Needle Valve Sleeve 2020
Applicable Mold Type
Plastic mold
Product Alias
Needle Valve Guide Sleeve
Coating Treatment
Titanium nitride, aluminum titanium nitride, chromium nitride
Material
SKH51 High-Speed Steel
Entity Processing
Heat Treatment and Cryogenic Treatment

Factory-processed carbide tungsten wear-resistant hot runner valve pin, valve sleeve, and valve core guide sleeve [tungsten steel wear-resistant valve sleeve]

Compatible with valve sleeves of the same specifications, featuring a titanium-plated valve needle for precise sliding fit—accuracy down to 0.001 mm.

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