Hot runner valve sleeve:

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. Body Treatment: High-Temperature Heat Treatment and Cryogenic Treatment.

5. Concentricity: 0.002mm

6. Inner bore precision: Within 0.002 mm, with smooth sliding fit against valve needles of the same specification.

7. Common valve sleeve inner bore machining range: Diameter 2–13.5 mm; height 10–50 mm.

Product aliases: Guide Sleeve, Valve Needle Positioning Sleeve, Valve Needle Sleeve
Brand
Ruiying
Product Alias
Valve needle sleeve, positioning sleeve, guide sleeve, sliding sleeve
Applicable Mold Type
Plastic mold
Item Number
RY023
Surface Treatment
Aluminum Titanium Nitride / Titanium Nitride / Chromium Nitride / Titanium Carbonitride
Entity Processing
High-temperature heat treatment + cryogenic treatment

PET Mold Hot Runner Valve Pin [Korea Yudo YUDO] Needle Valve Type Valve Pin

A 36-pin valve-type hot runner system—valve pin and pin sleeve [no pin jamming, no glue leakage]

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