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, titanium aluminum 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 100–1,500 mm.
Brand
Ruiying
Product Alias
Titanium-plated wear-resistant valve pin
Injection molding material
PP
Is it a dedicated supply source for cross-border exports?
Is
Head material
SKH51
Coat material
SKH51-SKD61
Type
Mold Hot Runner System
Heated Nozzle Body Material
4CR13
Applicable Mold Type
Plastic mold
Item Number
RY02002
Entity Processing
High-Temperature Heat Treatment / Cryogenic Treatment
Surface Treatment
Chromium nitride/Titanium nitride/Aluminum titanium nitride

None

PET mold preform bottle blank molds—specialized chromium nitride valve pins, chrome-plated valve pins, wear-resistant valve pins, and wear-resistant sliding pins

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