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 nanoscale 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.
Brand
Ruiying
Product Alias
Hot Runner 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
RY016
Surface Treatment
Aluminum Titanium Nitride / Titanium Nitride / Chromium Nitride / Titanium Carbonitride
Entity Processing
High-temperature heat treatment + cryogenic treatment

Source manufacturer, non-standard and expedited services, plastic mold needle valve type hot runner valve needle valve sleeve, guide sleeve, elbow, and flow guide sleeve

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

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